Predatory-fly

Guides

Ablautus californicus
Ablautus californicus is a species of robber fly (family Asilidae) described by Wilcox in 1935. The genus Ablautus is currently undergoing taxonomic revision, with this species among those being studied to clarify species boundaries and relationships. Like other Asilidae, it is presumed to be a predatory insect both in larval and adult stages. The specific epithet indicates a California distribution.
robber-fly asilidae predatory-fly california-endemic under-revision
Ablautus colei
Northwestern Prospector
Ablautus colei is a species of robber fly (family Asilidae) described by Wilcox in 1966. It belongs to a genus of small, sand-colored predatory flies found in North America. The species is part of the 'Northwestern Prospector' group within the genus, though specific ecological details remain poorly documented. Like other Ablautus species, it likely exhibits sexual dimorphism in facial hair coloration and elaborate male courtship displays.
Diptera Asilidae robber-fly predatory-fly North-America sand-colored sexual-dimorphism courtship-behavior poorly-known-species taxonomic-revision-needed
Ablautus coquilletti
Coquillett Prospector
Ablautus coquilletti is a species of assassin fly (family Asilidae) described by Wilcox in 1935. The genus Ablautus comprises predatory flies commonly known as prospectors, characterized by their distinctive facial hair and venomous hunting behavior. This species is currently undergoing taxonomic revision as part of broader systematic studies of the genus Ablautus.
asilidae assassin-fly robber-fly predatory-fly diptera prospector coquillett
Ablautus schlingeri
Oso Flaco Robber Fly
Ablautus schlingeri, commonly known as the oso flaco robber fly, is a small predatory fly in the family Asilidae. The species is endemic to California and has been documented at Oso Flaco Lake and surrounding dune habitats. It faces potential threats from sand mining operations that degrade its specialized sandy habitat. The species was described by Wilcox in 1966 and remains relatively poorly known.
endemic California coastal-dunes sand-mining-threat Asilidae predatory-fly Oso-Flaco-Lake
Acrosathe vanduzeei
Acrosathe vanduzeei is a species of stiletto fly in the family Therevidae. The genus Acrosathe belongs to the subfamily Therevinae, one of the most diverse lineages within the family. Stiletto flies are predatory as adults, typically hunting other insects, while their larvae are generally soil-dwelling predators or scavengers. The specific epithet vanduzeei honors the entomologist Edward P. Van Duzee.
stiletto-fly Diptera Therevidae predatory-fly Nearctic
Amblyonychus
Amblyonychus is a genus of robber flies (Asilidae) established by Hermann in 1921. Members of this genus are predatory flies that hunt other insects in flight. The genus contains multiple species distributed across various regions, though specific species-level information remains limited in available sources.
robber-fly predatory-fly Asilidae Diptera
Amblyonychus trapezoidalis
Green-eyed Lion Fly
Amblyonychus trapezoidalis is a species of robber fly (Asilidae) originally described from Italy in 1861. It is known by the common name "Green-eyed Lion Fly" and has been documented in at least 15 iNaturalist observations. The species belongs to a genus of predatory flies characterized by robust bodies and strong predatory habits.
robber-fly predatory-fly Palearctic
Ammonaios confusus
Ammonaios confusus is a species of stiletto fly in the family Therevidae, described by Hauser and Irwin in 2003. The genus Ammonaios was established relatively recently, and species within this group are poorly known compared to many other therevid flies. Like other Therevidae, adults are likely predatory or nectar-feeding, though specific ecological details remain undocumented. The species epithet 'confusus' suggests historical taxonomic confusion with related taxa.
stiletto-fly Therevidae Diptera predatory-fly soil-dwelling-larvae poorly-known-species
Andrenosoma cruentum
Mangrove Chiselmouth
Andrenosoma cruentum is a species of robber fly in the family Asilidae, subfamily Laphriinae. It belongs to a genus of predatory flies whose larvae feed on wood-boring beetle larvae. The species is found in mangrove habitats, distinguishing it from congeners that inhabit dry, sandy woodlands. Like other Andrenosoma species, adults are sit-and-wait predators that perch on exposed surfaces to ambush prey.
robber-fly Asilidae Laphriinae predatory-fly mangrove wood-boring-beetle-predator
Apachekolos confusio
Arizona Pixie
Apachekolos confusio is a species of robber fly (family Asilidae) described by Martin in 1957. It is known by the common name 'Arizona Pixie'. As a member of the Asilidae, it belongs to a diverse family of predatory flies characterized by their robust build, strong flight capabilities, and aggressive hunting behavior. The genus Apachekolos is part of the North American robber fly fauna.
robber-fly Asilidae Diptera predatory-fly North-America Arizona
Apachekolos scapularis
Hairy-footed Pixie
Apachekolos scapularis is a species of robber fly (family Asilidae) described by Bigot in 1878. It was originally described as Leptogaster scapularis before being transferred to the genus Apachekolos. The species has been recorded from only a handful of observations, indicating it is either rare, poorly sampled, or restricted to specific habitats. As a member of the Asilidae, it is a predatory fly that likely hunts other insects.
robber-fly Asilidae Diptera predatory-fly rare-species
Archilestris magnificus
Northern Brigand
Archilestris magnificus is a robber fly species in the family Asilidae, subfamily Dasypogoninae. The species is noted for its vivid, aposematic or mimetic coloration, which has been cited as one of the most impressive among robber flies. First described by Walker in 1854 under the basionym Dasypogon magnificus, this species has been documented through 527 iNaturalist observations. It belongs to a genus of charismatic predatory flies known for their striking appearance.
Asilidae robber-fly Diptera aposematic-coloration mimicry predatory-fly
Argyra calceata
Argyra calceata is a species of long-legged fly in the family Dolichopodidae, first described by Hermann Loew in 1861. The genus Argyra belongs to the subfamily Diaphorinae, a group of small to medium-sized flies known for their metallic coloration and elongated legs. Members of this family are generally predatory as larvae and often associated with moist or aquatic habitats. The specific epithet "calceata" refers to being shod or booted, likely alluding to a characteristic of the leg structure. The species is poorly documented in publicly available literature, with minimal observational records.
long-legged-fly Dolichopodidae Diaphorinae predatory-fly poorly-known-species
Argyra nigriventris
Argyra nigriventris is a species of long-legged fly in the family Dolichopodidae, described by Van Duzee in 1925. The genus Argyra belongs to the subfamily Diaphorinae, a group characterized by metallic coloration and distinctive genitalia structures. Members of this genus are typically small to medium-sized flies associated with various habitats. The specific epithet "nigriventris" refers to the black venter (underside) of the abdomen, a diagnostic color pattern for this species.
Dolichopodidae long-legged-fly Diaphorinae Van-Duzee-1925 North-America Diptera predatory-fly
Argyra robusta
Argyra robusta is a species of long-legged fly in the family Dolichopodidae, described by Johnson in 1906. The genus Argyra comprises small to medium-sized flies characterized by their notably long legs and metallic coloration. As with other members of Dolichopodidae, this species is predatory in both larval and adult stages. The specific epithet 'robusta' suggests a relatively sturdy or substantial build compared to congeners. Available records for this species are sparse, with limited observational data documented.
Diptera Dolichopodidae long-legged-fly predatory-fly Argyra Johnson-1906
Argyra sericata
Argyra sericata is a species of long-legged fly in the family Dolichopodidae, described by Van Duzee in 1925. The genus Argyra comprises small to medium-sized predatory flies commonly found near water or in moist habitats. As a member of Dolichopodidae, this species likely exhibits the family's characteristic metallic coloration and elongated legs adapted for rapid movement. The specific epithet "sericata" (meaning silken) may refer to body texture or sheen. No detailed biological studies of this particular species have been documented in the provided sources.
Dolichopodidae long-legged-fly predatory-fly aquatic-habitat metallic-coloration
Asilus sericeus
Butterflyhunter
Asilus sericeus is a species of robber fly in the family Asilidae. The larvae measure 18–20 mm in length and live underground. Adults are aerial predators that capture prey in flight. Unlike some other members of the family, they have not been reported feeding on bees or wasps.
robber-fly asilid predatory-fly subterranean-larvae aerial-predator
Asyndetus latus
Asyndetus latus is a species of long-legged fly in the family Dolichopodidae, described by Van Duzee in 1916. Long-legged flies in this family are generally predatory as adults, feeding on small invertebrates. Very little specific information is documented about this particular species beyond its taxonomic description. The genus Asyndetus contains numerous species, many of which are poorly studied.
Dolichopodidae long-legged-fly predatory-fly Van-Duzee-1916
Atomosia pusilla
Atomosia pusilla is a small species of robber fly in the family Asilidae, described by Macquart in 1838. The genus Atomosia is characterized by species with reduced wing venation and typically small body size compared to other asilids. This species belongs to the subfamily Asilinae, one of the most diverse lineages of robber flies. Like other members of its family, it is a predatory fly that captures other insects in flight.
robber-fly asilid predatory-fly reduced-wing-venation small-bodied
Atomosia rufipes
Atomosia rufipes is a species of robber fly in the family Asilidae, described by Macquart in 1847. Robber flies are predatory dipterans known for their aggressive hunting behavior and powerful flight. The species epithet 'rufipes' refers to reddish-colored legs, a characteristic feature of this taxon. As with other members of the genus Atomosia, this species likely exhibits the typical asilid morphology adapted for aerial predation.
Asilidae robber-fly predatory-fly Diptera Macquart-1847
Backomyia anomala
Backomyia anomala is a species of robber fly in the family Asilidae, described by Wilcox & Martin in 1957. The genus Backomyia is a small group within the diverse robber fly family, which contains over 7,000 species worldwide. Robber flies are predatory insects known for their aggressive hunting behavior and stout, piercing mouthparts. Specific information about the biology, habitat preferences, and distribution of B. anomala remains limited in the available literature.
robber-fly Asilidae Diptera predatory-fly Backomyia North-American-fauna
Backomyia hannai
Big Bear Bandit
Backomyia hannai is a species of robber fly (family Asilidae) described by Wilcox & Martin in 1957. It is placed in the genus Backomyia, a small genus within the diverse Asilidae family. The species is known by the common name "Big Bear Bandit" in iNaturalist taxonomy, though this name appears to have limited formal usage. As with other robber flies, B. hannai is presumed to be a predatory insect, but specific biological details remain poorly documented in available literature.
Asilidae robber-fly Diptera predatory-fly
Backomyia limpidipennis
Clear-winged Bandit
Backomyia limpidipennis is a species of robber fly (Diptera: Asilidae) described by Wilcox in 1936. It is known by the common name "Clear-winged Bandit." As a member of the Asilidae family, it belongs to a group of predatory flies characterized by aggressive hunting behavior, though species-specific details for this taxon remain poorly documented in available literature.
Asilidae robber-fly predatory-fly North-American-fauna 1936-description
Backomyia schlingeri
Schlinger Bandit
Backomyia schlingeri is a species of robber fly (family Asilidae) described by Wilcox & Martin in 1957. The species epithet honors E. Schlinger, a notable collector associated with the UCR Entomology Research Museum. As a member of the Asilidae, it is presumed to be a predatory fly, though specific biological details remain undocumented in available sources. The common name "Schlinger Bandit" has been assigned on iNaturalist.
robber-fly Asilidae Diptera predatory-fly
Beamerolyia silvacola
Woodland Pixie
Beameromyia silvacola is a species of robber fly in the family Asilidae, first described by Martin in 1957. The common name 'Woodland Pixie' reflects its association with forested habitats. As a member of the Asilidae, it belongs to a family of predatory flies known for their aerial hunting abilities. The species is part of the genus Beameromyia, which contains small to medium-sized robber flies found in North America.
Asilidae robber-fly predatory-fly forest-habitat
Beameromyia
Beameromyia is a genus of robber flies (family Asilidae) established by Martin in 1957. As members of the Asilidae, these predatory flies are characterized by their robust build and predatory habits. The genus contains species distributed in North America, with records primarily from the southwestern United States and Mexico. Like other robber flies, they are aerial predators that capture other insects in flight.
robber-fly Asilidae predatory-fly North-America Diptera
Beameromyia bifida
Notch-tailed Pixie
Beameromyia bifida is a species of robber fly (family Asilidae) first described by Hardy in 1942 under the basionym Leptogaster bifidus. It is commonly known as the Notch-tailed Pixie. The species belongs to the genus Beameromyia, a group of small, delicate robber flies sometimes referred to as 'pixies' due to their diminutive size and agile flight. As with other Asilidae, it is a predatory fly, though specific ecological details remain poorly documented.
robber-fly asilidae diptera Nearctic predatory-fly pixie-fly data-deficient
Beameromyia chrysops
Golden-eyed Pixie
Beameromyia chrysops is a small robber fly species in the family Asilidae, first described by Martin in 1957. The species is commonly known as the 'Golden-eyed Pixie,' a name reflecting its diminutive size and likely eye coloration. As a member of the Asilidae, it is a predatory fly that captures other insects in flight. The genus Beameromyia contains species of small, often inconspicuous robber flies that are poorly documented in the scientific literature.
Asilidae robber-fly predatory-fly Diptera Martin-1957 Golden-eyed-Pixie
Beameromyia floridensis
Florida Pixie
Beameromyia floridensis is a species of robber fly (family Asilidae) described by Johnson in 1913. The common name "Florida Pixie" reflects its presumably small stature and Florida distribution. Like other Asilidae, it belongs to a predatory family of true flies. The genus Beameromyia was established by Wilcox and Martin in 1931 and is endemic to North America.
robber-fly asilid Florida-endemic North-America predatory-fly
Beameromyia lunula
Madera Pixie
Beameromyia lunula is a species of robber fly in the family Asilidae, described by Martin in 1957. It belongs to the subfamily Laphriinae and tribe Atomosiini. The species epithet 'lunula' refers to a small crescent or moon-shaped marking, likely describing a distinctive wing or body pattern. As with other robber flies, it is presumed to be a predatory insect, though specific behavioral and ecological details remain poorly documented.
robber-fly Asilidae Diptera predatory-fly Nearctic
Beameromyia macula
Spot-legged Pixie
Beameromyia macula is a species of robber fly in the family Asilidae, described by Martin in 1957. It is commonly known as the Spot-legged Pixie. As a member of the Asilidae, it belongs to a family of predatory flies known for their aggressive hunting behavior and aerial predation on other insects. The genus Beameromyia is part of the diverse robber fly fauna of North America.
Diptera Asilidae Beameromyia robber-fly predatory-fly North-America Martin-1957 Spot-legged-Pixie
Beameromyia monticola
Santa Rita Pixie
Beameromyia monticola is a species of robber fly in the family Asilidae, described by Martin in 1957. The species epithet 'monticola' (mountain-dwelling) suggests an association with montane habitats. The common name 'Santa Rita Pixie' indicates a likely connection to the Santa Rita Mountains of Arizona. As a member of the Asilidae, it belongs to a family of predatory flies known for their aggressive hunting behavior and distinctive morphology.
Diptera Asilidae robber-fly predatory-fly Arizona Santa-Rita-Mountains endemic monticola
Blepharepium
Blepharepium is a genus of robber flies (Asilidae) established by Rondani in 1848, comprising approximately 15 described species. As members of the diverse predatory family Asilidae, these flies are aerial predators of other insects. The genus has been documented through 418 iNaturalist observations, though specific species-level details remain limited in publicly available sources.
robber-fly asilid predatory-fly Diptera
Blepharepium sonorensis
Sonora Hanging Thief
Blepharepium sonorensis is a species of robber fly in the family Asilidae, commonly known as the Sonora Hanging Thief. It was described by Papavero & Bernardi in 1973. The species belongs to the genus Blepharepium, which is characterized by distinctive predatory behaviors typical of robber flies. As with other Asilidae, this species is likely an aerial predator of other insects. Very few observations of this species have been recorded, with only 3 documented observations in iNaturalist as of the available data.
robber-fly Asilidae Diptera predatory-fly rare-species Sonora Mexico insect-predator aerial-hunter Papavero-1973 Bernardi-1973 Blepharepium Sonora-Hanging-Thief undocumented-biology data-deficient observationally-scarce taxonomically-synonymized Blepharepium-sonorense
Bohartia bromleyi
Nevada Longhorn Robber
Bohartia bromleyi is a species of robber fly in the family Asilidae, described by Hull in 1958. It belongs to the genus Bohartia, a small group of longhorn robber flies characterized by elongated antennae. The species is endemic to the western United States. Like other Asilidae, it is presumed to be an aerial predator of other insects.
robber-fly asilidae endemic nevada western-north-america predatory-fly 1958-description
Bohartia martini
Brown Longhorn Robber
Bohartia martini is a species of robber fly in the family Asilidae, described in 1975 by Adisoemarto and Wood. It belongs to a genus named in honor of the entomologist Richard M. Bohart. As a member of the Asilidae family, it is presumed to share the predatory habits characteristic of robber flies, though specific biological details for this species remain poorly documented. The species is recognized as valid and accepted in major taxonomic databases.
robber-fly Asilidae Diptera predatory-fly rare-species undocumented-biology
Bohartia nitor
White-haired Longhorn Robber
robber-fly Asilidae Diptera insect predatory-fly
Brachystoma occidentale
Brachystoma occidentale is a species of dance fly in the family Brachystomatidae, first described by Melander in 1902. The species name "occidentale" refers to its western distribution in North America. Dance flies in this family are predatory as adults and are commonly found in moist habitats near streams and wetlands. Limited observational data exists for this species, with 27 observations recorded on iNaturalist.
dance-fly predatory-fly western-North-America Brachycera
Breviperna placida
Breviperna placida is a species of stiletto fly in the family Therevidae, originally described by Coquillett in 1894 as Psilocephala placida. Stiletto flies are a diverse group of predatory flies, though specific biological details for this species remain poorly documented. The genus Breviperna is part of the therevid fauna of North America.
stiletto-fly Therevidae Diptera predatory-fly North-America
Bromleyus flavidorsus
Bromleyus flavidorsus is a species of robber fly in the family Asilidae, described by Hardy in 1945. The genus Bromleyus is endemic to Australia and contains relatively few described species. As with other Asilidae, this species is presumed to be a predatory fly, though specific ecological details remain undocumented in published literature. The species epithet 'flavidorsus' refers to a yellowish dorsal coloration.
Diptera Asilidae Australia endemic predatory-fly robber-fly
Ceraturgus cruciatus
Ceraturgus cruciatus is a species of robber fly in the family Asilidae, first described by Thomas Say in 1823. The species was historically confused with C. fasciatus, which was resurrected from synonymy in a 2008 taxonomic revision. As a member of the genus Ceraturgus, it belongs to a group of predatory flies characterized by distinctive morphological features. The species has been recorded from the northeastern United States, including Vermont.
robber-fly Asilidae Ceraturgus Diptera predatory-fly North-America Vermont
Ceraturgus fasciatus
Banded Tiger Fly
Ceraturgus fasciatus is a species of robber fly (family Asilidae) found in the eastern United States and Canada. The species was resurrected from synonymy with Ceraturgus cruciatus in a 2008 taxonomic review. As a member of the Asilidae, it is a predatory fly, though specific prey records and detailed natural history for this species remain poorly documented.
robber-fly Asilidae Diptera predatory-fly North-America taxonomy
Ceraturgus johnsoni
Ceraturgus johnsoni is a species of robber fly (family Asilidae) described by Martin in 1965. It belongs to the subfamily Brachyrhopalinae and tribe Ceraturgini. As with other members of the genus Ceraturgus, this species is likely a predatory insect, though specific biological details remain poorly documented in available sources.
robber-fly Asilidae predatory-fly Diptera Ceraturgini
Cerotainiops
Cerotainiops is a small genus of robber flies established by Curran in 1930. The genus comprises approximately six described species distributed in North America. As members of the family Asilidae, these predatory flies hunt other insects in flight. The genus has received limited taxonomic study beyond original species descriptions.
robber-fly predatory-fly North-American rarely-observed
Chersodromia inchoata
Chersodromia inchoata is a species of dance fly in the family Hybotidae, described by Melander in 1906. It belongs to the subfamily Tachydromiinae and tribe Drapetini. The genus Chersodromia comprises small, predatory flies often found in moist, shaded habitats. Records for this species remain sparse, with limited observational data available.
Diptera Hybotidae Tachydromiinae Drapetini Chersodromia dance-fly predatory-fly
Chromolepida mexicana
Chromolepida mexicana is a species of stiletto fly in the family Therevidae, described by Cole in 1923. Stiletto flies are predatory insects characterized by their slender bodies and distinctive wing venation. The genus Chromolepida is part of a diverse family of brachyceran flies found primarily in arid and semi-arid regions. Very few observations of this species exist in public databases.
Therevidae stiletto-fly Diptera predatory-fly Mexico Cole-1923
Chrysotus affinis
Chrysotus affinis is a species of long-legged fly in the family Dolichopodidae, described by Loew in 1861. The genus Chrysotus is part of the subfamily Diaphorinae and includes numerous small, metallic-colored flies. Members of this genus are generally predatory as adults, though specific ecological details for C. affinis remain poorly documented.
Dolichopodidae Diaphorinae Diptera long-legged-fly predatory-fly
Chrysotus cornutus
Chrysotus cornutus is a species of long-legged fly in the family Dolichopodidae, first described by Loew in 1862. As a member of this family, it belongs to a diverse group of small to medium-sized predatory flies commonly found in moist habitats. The specific epithet 'cornutus' refers to a horned or projecting feature, though the precise morphological basis for this name is not detailed in available sources. Like other dolichopodids, this species likely exhibits the characteristic long legs and metallic coloration typical of the family.
long-legged-fly Dolichopodidae predatory-fly
Chrysotus leucostoma
Chrysotus leucostoma is a species of long-legged fly (family Dolichopodidae) described by Loew in 1861. The genus Chrysotus belongs to the subfamily Diaphorinae, a diverse group of small to medium-sized predatory flies. Members of this genus are generally associated with moist or wetland habitats. Very few observations of this species have been recorded, with only 3 documented occurrences in iNaturalist.
Dolichopodidae Diaphorinae Diptera long-legged-fly predatory-fly
Clinocera lineata
Clinocera lineata is a species of dance fly in the family Empididae, described by Loew in 1862. It belongs to the subfamily Clinocerinae, a group of predatory flies often associated with aquatic or semi-aquatic habitats. The genus Clinocera comprises species commonly known as dance flies due to their characteristic swarming behavior during mating. Information regarding the specific biology and ecology of C. lineata is limited in available sources.
Empididae dance-fly Clinocerinae Diptera predatory-fly
Coenosia atrata
Coenosia atrata is a species of true fly in the family Muscidae, first described by Francis Walker in 1853. It belongs to the subfamily Coenosiinae, a group of predatory flies often found in moist or decaying organic environments. The species name 'atrata' refers to its dark coloration. Beyond its taxonomic placement, specific natural history details for this species remain poorly documented in the scientific literature.
Muscidae Coenosiinae predatory-fly Walker-1853
Coenosia intacta
Coenosia intacta is a species of muscid fly in the subfamily Coenosiinae, described by Francis Walker in 1853. Members of the genus Coenosia are predatory flies commonly known as "tiger flies" due to their predatory habits. The species is part of a diverse group of muscids that exhibit predatory behavior as adults, primarily feeding on other small insects. Specific biological details for C. intacta remain poorly documented in the scientific literature.
Diptera Muscidae Coenosiinae predatory-fly tiger-fly Walker-1853
Coenosia nigritarsis
Coenosia nigritarsis is a species of muscid fly in the tribe Coenosiini, subfamily Coenosiinae. The species was described by Stein in 1898 under the basionym Hoplogaster nigritarsis. It belongs to the genus Coenosia, a diverse group of predatory flies commonly known as tiger flies. The specific epithet nigritarsis refers to darkened or black tarsi.
Muscidae Coenosiinae Coenosiini predatory-fly tiger-fly Stein-1898
Coleomyia
Coleomyia is a genus of robber flies in the family Asilidae, established by Wilcox & Martin in 1935. The genus contains eight described species, all found in North America. These predatory flies are part of a diverse family known for their aggressive hunting behavior.
robber-fly predatory-fly North-American
Coleomyia alticola
Coleomyia alticola is a species of robber fly (family Asilidae) described by James in 1941. The specific epithet 'alticola' suggests a high-altitude habitat association. As a member of the Asilidae, it belongs to a family of predatory flies known for their aerial hunting behavior. Very few observations of this species have been recorded.
Asilidae robber-fly predatory-fly high-altitude
Coleomyia rubida
Coleomyia rubida is a species of robber fly (family Asilidae) described by Martin in 1953. The genus Coleomyia belongs to the diverse asilid lineage of predatory flies, commonly known as robber flies for their aggressive hunting behavior. As with other members of this family, C. rubida likely exhibits the characteristic aerial predation and strong flying ability typical of the group. The specific epithet 'rubida' suggests reddish coloration, though this has not been independently verified.
robber-fly Asilidae Diptera predatory-fly Martin-1953
Coleomyia setigera
Coleomyia setigera is a species of robber fly (family Asilidae) in the order Diptera. The species was originally described as Metapogon setigerum by Cole in 1919 before being transferred to the genus Coleomyia. As a member of the Asilidae family, it is a predatory fly. The species has been documented through a limited number of observations (15 records in iNaturalist as of source date).
robber-fly Asilidae Diptera predatory-fly
Comantella pacifica
Comantella pacifica is a species of robber fly in the family Asilidae, described by Curran in 1926. It is one of four recognized species in the genus Comantella, which is characterized by unusual seasonal activity patterns and distinctive morphological features. The species is found in western North America from British Columbia south to Nevada and Utah. Adults are active in early spring and late fall, an unusual pattern among robber flies.
robber-fly Asilidae Diptera predatory-fly early-spring late-fall western-North-America
Condylostylus leonardi
A small predatory long-legged fly in the family Dolichopodidae, described by Van Duzee in 1914. Like other members of its genus, it exhibits the characteristic metallic coloration and elongated legs typical of dolichopodids. The species is part of a large and diverse family of flies known for their agility and predatory habits on other small insects.
predatory-fly metallic-coloration garden-insect difficult-to-photograph male-genitalia-required-for-ID
Condylostylus pruinosus
Condylostylus pruinosus is a species of long-legged fly in the family Dolichopodidae. Like other members of its genus, it is a small, predatory fly typically found in sunny, vegetated habitats. The species was described by Coquillett in 1904. As with most dolichopodids, species-level identification generally requires examination of male genitalia.
Dolichopodidae long-legged-fly predatory-fly metallic North-America garden-insect
Cophura brevicornis
Cophura brevicornis is a species of robber fly in the family Asilidae, first described by Williston in 1883 under the basionym Taracticus brevicornis. The genus Cophura belongs to the subfamily Brachyrhopalinae, a group of predatory flies known for their robust build and aerial hunting abilities. This species is part of a diverse assemblage of Asilidae that occupy various habitats across North America.
robber-fly Asilidae Diptera predatory-fly Brachyrhopalinae
Cophura clausa
Cophura clausa is a species of robber fly in the family Asilidae, subfamily Brachyrhopalinae. It was described by Coquillett in 1893. The genus Cophura is part of a diverse group of predatory flies commonly known as robber flies or assassin flies, which are characterized by their stout bodies, strong legs for capturing prey, and piercing-sucking mouthparts. Beyond its taxonomic placement, little specific biological information has been documented for this particular species.
robber-fly Asilidae predatory-fly North-America
Cophura dammersi
Cophura dammersi is a species of robber fly (Asilidae) described by Wilcox in 1965. As a member of the genus Cophura, it belongs to a group of predatory flies characterized by their robust build and predatory habits. The species appears to be poorly documented in public sources, with no observations recorded on iNaturalist as of the available data. Like other Asilidae, it is presumed to be an aerial predator of other insects.
robber-fly Diptera Asilidae predatory-fly North-America Arizona
Cophura daphne
Cophura daphne is a species of robber fly described by Pritchard in 1943. It belongs to the subfamily Brachyrhopalinae within the family Asilidae, a group of predatory flies known for their aggressive hunting behavior. The species is accepted in taxonomic databases but appears to have minimal observational records.
robber-fly predatory-fly Asilidae Brachyrhopalinae Diptera insect arthropod
Cophura fergusoni
Cophura fergusoni is a species of robber fly (family Asilidae) described by Wilcox in 1965. It belongs to the subfamily Brachyrhopalinae and is one of multiple species within the genus Cophura. As a member of the Asilidae, it is presumed to be a predatory insect, though specific details of its biology remain undocumented in available sources.
Asilidae robber-fly Brachyrhopalinae Cophura Diptera predatory-fly
Cophura hennei
Cophura hennei is a species of robber fly (Asilidae) described by Wilcox & Martin in 1945. As a member of the subfamily Brachyrhopalinae, it belongs to a group characterized by reduced wing venation and compact body forms. The genus Cophura contains small to medium-sized predatory flies distributed primarily in the New World. Specific biological details for C. hennei remain poorly documented in published literature.
robber-fly Asilidae Brachyrhopalinae predatory-fly data-deficient
Cophura pollinosa
Cophura pollinosa is a species of robber fly described by Charles Howard Curran in 1930. It belongs to the subfamily Brachyrhopalinae within the family Asilidae, a diverse group of predatory flies known for their aggressive hunting behavior. The specific epithet "pollinosa" refers to a dusted or pollen-covered appearance, though detailed morphological descriptions are limited in available literature.
Asilidae robber-fly predatory-fly Brachyrhopalinae Curran-1930 data-deficient
Cophura rozeni
Cophura rozeni is a species of robber fly (family Asilidae) described by Wilcox in 1965. It belongs to the subfamily Brachyrhopalinae, a group of predatory flies known for their aerial hunting behavior. The species is part of the genus Cophura, which contains approximately 50 described species distributed primarily in the Americas.
robber-fly asilidae predatory-fly brachyrhopalinae neotropical nearctic
Cophura scitula
Cophura scitula is a species of robber fly in the family Asilidae, subfamily Brachyrhopalinae. The species was described by Samuel Wendell Williston in 1883. As a member of Asilidae, it is a predatory fly, though specific ecological details for this species remain poorly documented in available literature. The genus Cophura contains multiple species distributed primarily in North America.
Asilidae robber-fly Brachyrhopalinae predatory-fly North-America Williston-1883
Cophura timberlakei
Cophura timberlakei is a species of robber fly in the family Asilidae, described by Wilcox in 1965. It belongs to the subfamily Brachyrhopalinae, a group characterized by relatively short antennae. The species is named in honor of P.H. Timberlake, a prominent entomologist associated with the University of California, Riverside, whose extensive collections of bees and wasps formed a major foundation of the UCR Entomology Research Museum holdings. As with other Asilidae, this species is presumed to be a predatory fly, though specific ecological details remain undocumented in the available sources.
robber-fly Asilidae Brachyrhopalinae North-America predatory-fly
Cophura tolandi
Cophura tolandi is a species of robber fly (family Asilidae) described by Wilcox in 1959. It belongs to the subfamily Brachyrhopalinae within the large and diverse asilid lineage. The genus Cophura contains multiple North American species, though specific natural history details for C. tolandi remain poorly documented. Like other robber flies, it is presumed to be a predatory insect.
robber-fly asilid predatory-fly North-America Brachyrhopalinae
Cophura trunca
Cophura trunca is a species of robber fly (family Asilidae) described by Coquillett in 1893. As with other members of the Asilidae, it is a predatory fly that hunts other insects. The specific epithet 'trunca' refers to a truncated or cut-off feature, likely describing some morphological characteristic of the species.
robber-fly Asilidae Diptera predatory-fly
Cophura vanduzeei
Cophura vanduzeei is a species of robber fly (family Asilidae) in the subfamily Brachyrhopalinae. The species was described by Wilcox in 1965 and belongs to the genus Cophura, which is part of a diverse lineage of predatory flies. Robber flies are known for their predatory behavior and are important components of insect communities in various habitats.
Asilidae Diptera predatory-fly Brachyrhopalinae Cophura robber-fly
Cophura vera
Cophura vera is a species of robber fly (family Asilidae) in the subfamily Brachyrhopalinae. It was described by Pritchard in 1935. As with other robber flies, it is a predatory insect that likely hunts other arthropods. The genus Cophura contains multiple species distributed primarily in North America.
Asilidae robber-fly predatory-fly Diptera Brachyrhopalinae Cophura Pritchard-1935
Cophura vitripennis
Cophura vitripennis is a species of robber fly (Diptera: Asilidae) in the subfamily Brachyrhopalinae, originally described by Charles Howard Curran in 1927. The species epithet 'vitripennis' (Latin for 'glass-winged') refers to the transparent or hyaline wing condition. As with other Asilidae, this species is presumed to be a predatory insect, though specific biological details remain poorly documented in the available literature. The genus Cophura is part of the diverse robber fly fauna of the Americas.
Diptera Asilidae robber-fly predatory-fly Brachyrhopalinae Cophura Curran-1927
Cyrtopogon albifrons
Cyrtopogon albifrons is a species of robber fly in the family Asilidae, described by Wilcox & Martin in 1936. The genus Cyrtopogon comprises predatory flies commonly found in North America. Members of this genus are characterized by their slender body form and distinctive facial features. Specific ecological and behavioral details for C. albifrons remain poorly documented in published literature.
robber-fly Asilidae Diptera predatory-fly North-America
Cyrtopogon albovarians
Cyrtopogon albovarians is a species of robber fly in the family Asilidae, described by Charles Howard Curran in 1924. As a member of the diverse genus Cyrtopogon, it belongs to a group of predatory flies known for their aggressive hunting behavior and distinctive courtship displays. The species name 'albovarians' refers to white coloration on the ovaries or ventral surface. Specific ecological details for this species remain limited in published literature.
asilidae robber-fly predatory-fly diptera north-america curran-1924
Cyrtopogon anomalus
Cyrtopogon anomalus is a species of robber fly in the family Asilidae, described by Cole in 1919. The genus Cyrtopogon comprises predatory flies that typically hunt other insects in flight or from perches. This species belongs to a diverse group of asilids found across North America. Available information about this specific species is limited, with only 17 observations recorded on iNaturalist as of the knowledge cutoff.
robber-fly asilid predatory-fly Diptera North-America
Cyrtopogon auratus
Cyrtopogon auratus is a species of robber fly in the family Asilidae, described by Cole in 1919. As a member of this predatory fly family, it likely shares the characteristic hunting behavior of ambushing prey in flight. The species name 'auratus' suggests golden or golden-colored appearance. Very little specific information is documented about this particular species in available sources.
Asilidae robber-fly Diptera predatory-fly Cole-1919
Cyrtopogon auripilosus
Cyrtopogon auripilosus is a species of robber fly in the family Asilidae, described by Wilcox and Martin in 1936. As a member of the genus Cyrtopogon, it belongs to a diverse group of predatory flies characterized by their hunting behavior. The species is accepted in current taxonomic databases but detailed biological information appears limited in published sources.
robber-fly asilidae predatory-fly
Cyrtopogon banksi
Cyrtopogon banksi is a species of robber fly (family Asilidae) described by Wilcox & Martin in 1936. As a member of the genus Cyrtopogon, it belongs to a diverse group of predatory flies characterized by their distinctive morphology and hunting behavior. The species is part of the large and ecologically important family Asilidae, which contains over 7,000 described species worldwide. Specific details about the biology and distribution of C. banksi remain poorly documented in the accessible literature.
robber-fly Asilidae predatory-fly Diptera
Cyrtopogon basingeri
Cyrtopogon basingeri is a species of robber fly in the family Asilidae, described by Wilcox and Martin in 1936. As a member of the genus Cyrtopogon, it belongs to a group of predatory flies known for their aerial hunting behavior. The species is documented from limited observations, with records in iNaturalist indicating very few confirmed sightings. Robber flies in this genus are typically associated with open, sunny habitats where they perch and ambush prey.
robber-fly Asilidae predatory-fly Colorado-endemic rare-species underdocumented
Cyrtopogon beameri
Cyrtopogon beameri is a species of robber fly in the family Asilidae, described by Wilcox & Martin in 1936. The genus Cyrtopogon belongs to the subfamily Asilinae, a group of predatory flies known for their agile flight and prey capture behavior. As a member of this genus, C. beameri likely exhibits the characteristic features of Cyrtopogon species, including a slender body form and specific wing venation patterns. The species is known from very few observations, with only two records documented in iNaturalist as of the available data.
Asilidae robber-fly Diptera predatory-fly Cyrtopogon North-America rare-species underdocumented
Cyrtopogon bigelowi
Cyrtopogon bigelowi is a species of robber fly in the family Asilidae, described by Charles Howard Curran in 1924. It belongs to a large genus of predatory flies distributed primarily in North America. Members of the genus Cyrtopogon are typically associated with open, sunny habitats where they perch on vegetation or bare ground to hunt. As with most asilids, this species is presumed to be an active aerial predator of other insects.
robber-fly asilid predatory-fly Colorado-fauna
Cyrtopogon bimacula
Cyrtopogon bimacula is a species of robber fly in the family Asilidae, a group of predatory flies known for their aerial hunting prowess. The species was first described by Francis Walker in 1851 under the basionym Euarmostus bimacula. Like other members of the genus Cyrtopogon, this species is part of a diverse assemblage of predatory dipterans that occupy various habitats across North America.
robber-fly predatory-fly asilidae diptera
Cyrtopogon caesius
Cyrtopogon caesius is a species of robber fly in the family Asilidae, described by Melander in 1923. The genus Cyrtopogon comprises predatory flies that hunt other insects in flight. As with other Asilidae, they are characterized by strong legs for capturing prey and a prominent proboscis for subduing victims. The specific epithet "caesius" refers to a blue-gray coloration.
robber-fly Asilidae Diptera predatory-fly Melander-1923
Cyrtopogon chagnoni
Cyrtopogon chagnoni is a species of robber fly in the family Asilidae, described by Curran in 1939. The genus Cyrtopogon comprises predatory flies that typically hunt from perches. Limited observation records exist for this species, with only one documented observation on iNaturalist. As with other Cyrtopogon species, it is expected to exhibit characteristic robber fly predatory behavior, though species-specific details remain poorly documented.
robber-fly Asilidae Diptera predatory-fly Colorado-fauna poorly-known-species bioblitz-record
Cyrtopogon curtistylus
Cyrtopogon curtistylus is a species of robber fly (family Asilidae) described by Curran in 1923. As a member of the genus Cyrtopogon, it belongs to a group of predatory flies known for their agile flight and ambush hunting behavior. The specific epithet "curtistylus" refers to a shortened male terminalia structure. Beyond taxonomic classification, detailed natural history information for this species remains limited in published literature.
robber-fly Asilidae predatory-fly Nearctic
Cyrtopogon dasyllis
Cyrtopogon dasyllis is a species of robber fly in the family Asilidae, first described by Samuel Wendell Williston in 1893. The genus Cyrtopogon comprises predatory flies that hunt other insects in flight. Like other Asilidae, this species likely exhibits the characteristic behavior of perching on vegetation and ambushing prey. Specific details about its ecology and distribution remain poorly documented in published literature.
robber-fly asilidae predatory-fly North-America Colorado
Cyrtopogon evidens
Cyrtopogon evidens is a species of robber fly (family Asilidae) first described by Osten Sacken in 1877. It belongs to a genus of predatory flies known for their agile flight and ambush hunting behavior. Like other Asilidae, this species is likely an active predator of other insects, though specific natural history details remain poorly documented in the available literature.
robber-fly asilidae diptera predatory-fly osten-sacken
Cyrtopogon falto
Golden-faced Bandit
Cyrtopogon falto is a species of robber fly in the family Asilidae, commonly known as the Golden-faced Bandit. The species was first described by Walker in 1849 under the basionym Dasypogon falto. As a member of the Asilidae family, it is a predatory fly that hunts other insects. The genus Cyrtopogon contains multiple species of medium-sized robber flies found primarily in North America.
robber-fly asilidae predatory-fly diptera
Cyrtopogon fumipennis
Cyrtopogon fumipennis is a species of robber fly (family Asilidae) described by Wilcox & Martin in 1936. As a member of the genus Cyrtopogon, it belongs to a group of predatory flies characterized by their distinctive hunting behavior and physical adaptations for capturing prey in flight. The specific epithet "fumipennis" (smoky-winged) likely refers to wing coloration. Robber flies in this genus are generally associated with open, sunny habitats where they perch and ambush flying insects.
Asilidae robber-fly predatory-fly Diptera Cyrtopogon
Cyrtopogon glarealis
Cyrtopogon glarealis is a species of robber fly in the family Asilidae, described by Melander in 1923. The genus Cyrtopogon comprises predatory flies known for their distinctive courtship behaviors and agile flight. As with other asilids, this species likely hunts other insects in flight. Records indicate it has been documented in western North America, including Colorado.
robber-fly asilidae predatory-fly diptera western-north-america colorado
Cyrtopogon idahoensis
Cyrtopogon idahoensis is a species of robber fly in the family Asilidae, described by Wilcox & Martin in 1936. As a member of the genus Cyrtopogon, it belongs to a group of predatory flies known for their agile flight and ambush hunting behavior. The specific epithet 'idahoensis' suggests a connection to Idaho, though detailed distribution records remain limited. Like other robber flies, it likely preys on smaller insects.
Asilidae robber-fly Diptera predatory-fly North-America Idaho Wilcox-&-Martin-1936
Cyrtopogon infuscatus
Cyrtopogon infuscatus is a species of robber fly (family Asilidae) described by Cole in 1919. The genus Cyrtopogon is a large and diverse group within the Asilidae, with species distributed across North America. Like other robber flies, members of this genus are predatory and typically hunt from perches. The specific epithet 'infuscatus' refers to a darkened or dusky coloration.
Asilidae robber-fly Diptera predatory-fly North-America Cole-1919
Cyrtopogon inversus
White-brushed Bandit
Cyrtopogon inversus is a species of robber fly in the family Asilidae, commonly known as the White-brushed Bandit. It belongs to a genus of predatory flies characterized by their hunting behavior and distinctive morphology. The species was described by Curran in 1923. Available records indicate it has been documented across multiple observations, though detailed natural history information remains limited.
robber-fly Asilidae predatory-fly Diptera
Cyrtopogon jemezi
Cyrtopogon jemezi is a species of robber fly in the family Asilidae, first described by Wilcox & Martin in 1936. The genus Cyrtopogon comprises predatory flies that typically hunt from perches on vegetation or ground. This species is part of a diverse group of asilids found in North American arid and semi-arid regions. Specific biological details for C. jemezi remain poorly documented in published literature.
robber-fly asilidae predatory-fly North-America
Cyrtopogon lutatius
Brush-faced Bandit
Cyrtopogon lutatius is a species of robber fly (family Asilidae) originally described by Walker in 1849 under the basionym Dasypogon lutatius. The species is known by the common name "Brush-faced Bandit." Like other members of the Asilidae, this predatory fly is characterized by its robust build and predatory habits, though species-specific ecological details remain limited in published literature. Records indicate presence in the northeastern United States.
robber-fly predatory-fly Diptera Asilidae North-America
Cyrtopogon montanus
Cyrtopogon montanus is a species of robber fly (family Asilidae) described by Loew in 1874. The species name "montanus" (Latin for "mountainous") suggests an association with elevated habitats. Two subspecies are recognized: C. m. montanus and C. m. wilcoxi. Robber flies in the genus Cyrtopogon are generally ground-dwelling predators that perch on low vegetation or bare ground to hunt.
robber-fly asilidae diptera predatory-fly
Cyrtopogon nitidus
Cyrtopogon nitidus is a species of robber fly in the family Asilidae, described by Cole in 1924. The genus Cyrtopogon comprises predatory flies commonly known as robber flies or assassin flies, characterized by their stout bodies, large eyes, and predatory habits. As a member of this genus, C. nitidus likely shares the typical Cyrtopogon morphology and ecological role as an aerial predator of other insects, though specific details about this particular species remain poorly documented in available sources.
robber-fly asilidae diptera predatory-fly insect
Cyrtopogon platycaudus
Cyrtopogon platycaudus is a species of robber fly in the family Asilidae, described by Curran in 1924. As a member of the genus Cyrtopogon, it belongs to a diverse group of predatory flies known for their aerial hunting behavior. The species is documented in western North America. Like other robber flies, it likely preys on other insects, though specific ecological details remain poorly documented in available sources.
Asilidae robber-fly predatory-fly North-America Curran-1924 Diptera
Cyrtopogon praepes
Cyrtopogon praepes is a species of robber fly in the family Asilidae, described by Williston in 1883. As with other members of the genus Cyrtopogon, it is a predatory dipteran that likely hunts from perches in open habitats. The species is accepted in taxonomic databases but specific biological details remain poorly documented in published literature.
robber-fly Asilidae predatory-fly North-America
Cyrtopogon pulcher
Cyrtopogon pulcher is a species of robber fly (family Asilidae) described by Back in 1909. It belongs to the diverse genus Cyrtopogon, which comprises predatory flies found primarily in North America. Robber flies in this genus are generally small to medium-sized with distinctive facial features and predatory habits. The species name "pulcher" (Latin for "beautiful") likely refers to some aspect of its coloration or morphology.
robber-fly Asilidae predatory-fly Diptera Nearctic
Cyrtopogon rainieri
Cyrtopogon rainieri is a species of robber fly in the family Asilidae, described by Wilcox and Martin in 1936. The genus Cyrtopogon belongs to the diverse predatory fly family Asilidae, commonly known as robber flies, which are characterized by their aerial hunting behavior. Species in this genus are typically found in North America. Beyond its taxonomic description, specific biological details for C. rainieri remain poorly documented in the available literature.
robber-fly Asilidae Diptera North-America predatory-fly insect
Cyrtopogon rattus
Cyrtopogon rattus is a species of robber fly in the family Asilidae, described by Osten Sacken in 1877. The genus Cyrtopogon belongs to a diverse group of predatory flies known for their agile flight and ambush hunting behavior. As a member of this genus, C. rattus likely exhibits the characteristic traits of Cyrtopogon robber flies, though specific details about this particular species remain poorly documented in available literature.
Asilidae robber-fly predatory-fly Diptera insect
Cyrtopogon rufotarsus
Cyrtopogon rufotarsus is a species of robber fly in the family Asilidae, first described by Back in 1909. The genus Cyrtopogon comprises predatory flies known for their agile flight and ambush hunting behavior. Little species-specific documentation exists for C. rufotarsus, though it shares the general characteristics of the genus.
robber-fly Asilidae Diptera predatory-fly
Cyrtopogon sansoni
Cyrtopogon sansoni is a species of robber fly (family Asilidae) described by Curran in 1923. The genus Cyrtopogon comprises medium-sized predatory flies typically found in arid and semi-arid regions of North America. Like other asilids, C. sansoni is presumed to be an active aerial predator of other insects. Specific details of its biology remain poorly documented in published literature.
robber-fly asilid predatory-fly western-North-America Colorado bioblitz-record
Cyrtopogon semitarius
Cyrtopogon semitarius is a species of robber fly in the family Asilidae, described by Melander in 1923. Like other members of its genus, it belongs to a diverse group of predatory flies known for their aggressive hunting behavior. The species is part of the large Cyrtopogon genus, which contains numerous similar-looking species that can be challenging to distinguish without close examination. Specific ecological details for this particular species remain poorly documented in available literature.
robber-fly Asilidae Diptera predatory-fly aerial-predator
Cyrtopogon stenofrons
Cyrtopogon stenofrons is a species of robber fly (family Asilidae) described by Wilcox & Martin in 1936. As a member of the genus Cyrtopogon, it belongs to a group of predatory flies known for their agile flight and ambush hunting behavior. The species is accepted in taxonomic databases but appears to be poorly documented in the scientific literature, with limited published information on its biology and ecology.
robber-fly predatory-fly Diptera Asilidae Cyrtopogon North-America poorly-documented 1936-description Wilcox-&-Martin
Cyrtopogon sudator
Cyrtopogon sudator is a species of robber fly in the family Asilidae, described by Osten Sacken in 1877. As a member of the genus Cyrtopogon, it belongs to a group of predatory flies characterized by their distinctive morphology and hunting behavior. Very few specific observations of this species have been documented in public databases, with only one iNaturalist record identified.
robber-fly Asilidae Diptera predatory-fly Osten-Sacken-1877 data-deficient
Cyrtopogon swezeyi
Cyrtopogon swezeyi is a species of robber fly in the family Asilidae, described by Wilcox and Martin in 1936. The genus Cyrtopogon comprises small to medium-sized predatory flies characterized by their distinctive bearded faces and ambush hunting behavior. Species within this genus are typically associated with open habitats where they perch on vegetation to capture flying insect prey.
robber-fly asilidae predatory-fly hawaii endemic diptera
Cyrtopogon thompsoni
Cyrtopogon thompsoni is a species of robber fly in the family Asilidae, first described by Cole in 1921. Members of the genus Cyrtopogon are predatory flies that typically inhabit open, sunny environments. As with other Asilidae, this species likely hunts other insects in flight. The species name honors an individual with the surname Thompson.
Asilidae robber-fly Diptera predatory-fly North-America Cole-1921
Cyrtopogon varans
Golden-tailed Bandit
Cyrtopogon varans is a species of robber fly (family Asilidae) described by Curran in 1923. It is known from limited observations in western North America. The species belongs to a genus of predatory flies characterized by hunting from perches. Common name 'Golden-tailed Bandit' refers to distinctive coloration features.
robber-fly Asilidae Diptera predatory-fly Colorado western-North-America
Cyrtopogon vulneratus
Cyrtopogon vulneratus is a species of robber fly in the family Asilidae, described by Melander in 1923. The genus Cyrtopogon comprises predatory flies commonly known as robber flies, characterized by their stout bodies, large eyes, and strong legs adapted for capturing prey in flight. As with other asilids, this species likely exhibits the typical robber fly predatory behavior of ambushing and capturing other insects. The specific epithet "vulneratus" (Latin for "wounded") may reference a distinguishing mark or pattern on the body, though the original description details are not provided in available sources.
Diptera Asilidae Cyrtopogon robber-fly predatory-fly Melander-1923
Dactylomyia lateralis
Dactylomyia lateralis is a species of long-legged fly in the family Dolichopodidae, subfamily Neurigoninae. First described by Thomas Say in 1829, this species belongs to a genus of small predatory flies characterized by their elongated legs and typically metallic coloration. The species has been recorded in North America with over 340 observations documented on iNaturalist.
Diptera Dolichopodidae long-legged-fly Neurigoninae North-America predatory-fly
Dialysis elongata
Dialysis elongata is a species of fly in the family Xylophagidae, a small group of predatory flies sometimes known as awl-flies. The species was first described by Thomas Say in 1823, originally placed in the genus Stygia. It occurs in northeastern North America, with records from the United States and Canada. Xylophagidae flies are generally associated with woodland habitats and are predatory as larvae.
Diptera Xylophagidae awl-fly North-America predatory-fly
Dicolonus
Dicolonus is a genus of robber flies (family Asilidae) established by Loew in 1866. The genus contains approximately five described species distributed across North America and parts of Asia. As members of Asilidae, species in this genus are predatory flies that capture other insects in flight. The genus is relatively small and understudied compared to other asilid genera.
robber-fly Asilidae predatory-fly Diptera understudied-genus
Dicolonus medius
Dicolonus medius is a species of robber fly in the family Asilidae, described by Adisoemarto and Wood in 1975. The genus Dicolonus belongs to a group of predatory flies characterized by their robust build and predatory habits. Like other asilids, this species is presumed to be an active aerial predator of other insects. Specific biological details for D. medius remain poorly documented in the accessible literature.
robber-fly asilid predatory-fly Brachycera
Dicolonus simplex
Dicolonus simplex is a species of robber fly (family Asilidae) described by Loew in 1866. As a member of the Diptera order, it possesses a single pair of functional wings with the hindwings reduced to halteres. Robber flies in the genus Dicolonus are aerial predators that capture other insects in flight.
robber-fly predatory-fly Diptera Asilidae aerial-predator
Dicolonus sparsipilosus
Dicolonus sparsipilosus is a species of robber fly described by Back in 1909. It belongs to the genus Dicolonus within the family Asilidae, a group of predatory flies known for their agile flight and ambush hunting behavior. The species is rarely recorded, with minimal observation data available.
robber-fly predatory-fly rarely-observed
Dicranus
Dicranus is a genus of robber flies in the family Asilidae, established by Hermann Loew in 1851. Members of this genus are predatory flies that capture other insects in flight. The genus is relatively small and poorly documented compared to other asilid genera, with limited published information on species-level diversity and biology.
robber-fly Asilidae predatory-fly Palearctic Diptera
Dicranus jaliscoensis
Dicranus jaliscoensis is a species of robber fly in the family Asilidae, described by Williston in 1901. The species is known from Mexico, with records primarily from the state of Jalisco. Like other Asilidae, it is presumed to be a predatory insect, though specific ecological details remain poorly documented.
robber-fly predatory-fly Mexican-endemic
Dicropaltum
Dicropaltum is a genus of robber flies established by Martin in 1975. The genus contains six described species distributed in the Americas. These predatory flies belong to the tribe Asilini within the subfamily Asilinae.
robber-fly Asilidae predatory-fly Diptera
Dicropaltum humilis
Dicropaltum humilis is a species of robber fly (family Asilidae) described by Bellardi in 1861. As a member of this predatory fly family, it likely exhibits the characteristic hunting behavior of asilids, capturing other insects in flight. The genus Dicropaltum is recognized in robber fly taxonomy, though detailed species-level documentation appears limited in available sources.
robber-fly Asilidae predatory-fly Diptera
Dicropaltum mesae
Dicropaltum mesae is a species of robber fly in the family Asilidae, originally described as Tolmerus mesae by Tucker in 1907. It belongs to the genus Dicropaltum, a group of predatory flies within the subfamily Asilinae. The species is documented through limited observation records, with 15 observations on iNaturalist. Robber flies in this genus are aerial predators that capture other insects in flight.
robber-fly predatory-fly Asilidae North-America Diptera poorly-known-species
Dicropaltum rubicundus
Dicropaltum rubicundus is a species of robber fly in the family Asilidae, a group of predatory flies known for their aggressive hunting behavior. The species was described by Hine in 1909. Robber flies in this family are characterized by their stout bodies, large eyes, and strong legs adapted for capturing prey in flight. Very few specific details about the biology or ecology of D. rubicundus have been documented in available sources.
robber-fly Asilidae predatory-fly Diptera insect
Dictya texensis
Dictya texensis is a species of marsh fly (family Sciomyzidae) described by Curran in 1932. Members of the genus Dictya are recognized by their distinctive wing venation patterns. The family Sciomyzidae comprises predatory or parasitic flies whose larvae typically develop in aquatic or semi-aquatic snails. This species is poorly documented in public sources, with minimal observational records available.
Diptera Sciomyzidae marsh-fly Tetanocerini Dictya North-America Texas predatory-fly aquatic-snail-parasite
Dioctria
Dioctria is a genus of robber flies (family Asilidae) in the subfamily Dasypogoninae, forming the tribe Dioctriini alongside Bohartia, Dicolonus, Echthodopa, Eudioctria, and Metadioctria. The genus contains multiple species distributed across the Holarctic region, with documented occurrences in Europe, North America, and Turkey. Species within Dioctria are generally small to medium-sized predatory flies that hunt other insects.
robber-fly predatory-fly Dioctriini Dasypogoninae Holarctic
Dioctria henshawi
Dioctria henshawi is a species of robber fly in the family Asilidae, first described by Johnson in 1918. The genus Dioctria belongs to the subfamily Stenopogoninae and contains small to medium-sized predatory flies. Species in this genus are among the more diminutive members of the robber fly family, typically measuring under 10 mm in length. Information regarding the specific biology and distribution of D. henshawi remains limited in available sources.
robber-fly predatory-fly small-size Stenopogoninae
Dioctria pleuralis
Dioctria pleuralis is a species of robber fly in the family Asilidae, described by Banks in 1917. The genus Dioctria belongs to the subfamily Stenopogoninae, a group characterized by small to medium-sized predatory flies. Species in this genus are among the more diminutive robber flies in North America.
robber-fly asilidae stenopogoninae predatory-fly
Dioctria vera
Dioctria vera is a species of robber fly in the family Asilidae, described by Back in 1909. It belongs to the subfamily Dasypogoninae and is currently classified within the genus Dioctria. As a member of the robber flies, it is a predatory dipteran, though specific details about its biology and ecology remain poorly documented in available literature.
robber-fly asilid predatory-fly North-America
Diogmites coloradensis
A species of robber fly in the family Asilidae, Diogmites coloradensis belongs to the genus Diogmites, commonly known as 'hanging thieves' for their distinctive predatory behavior. The species was described by James in 1933 and is classified within the subfamily Dasypogoninae. Like other members of this genus, it is presumed to be an aerial predator of other insects.
robber-fly Asilidae Diogmites hanging-thief predatory-fly Diptera Dasypogoninae
Diogmites contortus
Diogmites contortus is a species of robber fly in the family Asilidae, described by Bromley in 1936. It belongs to the subfamily Dasypogoninae and the genus Diogmites, commonly known as the 'hanging thieves' for their distinctive prey-handling behavior. Members of this genus are notable among robber flies for their habit of suspending themselves from vegetation while manipulating captured prey.
robber-fly asilidae predatory-fly hanging-thief dasypogoninae
Diogmites fragilis
Diogmites fragilis is a species of robber fly in the family Asilidae, subfamily Dasypogoninae. It belongs to a genus commonly known as "hanging thieves" for their distinctive behavior of suspending from vegetation while manipulating prey. The species was described by Bromley in 1936. Like other members of Diogmites, it is presumed to be an aerial predator of other insects, though specific behavioral observations for this species are not documented in the provided sources.
Asilidae robber-fly hanging-thief Dasypogoninae Diogmites predatory-fly aerial-predator
Diogmites herennius
hanging thief robber fly
Diogmites herennius is a species of robber fly in the family Asilidae, commonly known as a 'hanging thief' for its distinctive habit of suspending from vegetation by its front legs while manipulating prey with the remaining legs. The species belongs to the subfamily Dasypogoninae and is one of approximately 26 species in the genus Diogmites, which occurs primarily in the New World tropics and subtropics. Members of this genus are characterized by their elongated bodies, long legs, and predatory behavior.
Asilidae Dasypogoninae Diogmites robber-fly hanging-thief predatory-fly Diptera
Diogmites pritchardi
Pritchard's Hanging Thief
Diogmites pritchardi is a species of robber fly in the family Asilidae, described by Bromley in 1936. The genus Diogmites, commonly known as "hanging thieves," is recognized for the distinctive behavior of members swinging from their front or middle legs while manipulating prey with the remaining legs. As with other Diogmites species, D. pritchardi is presumed to be an aerial predator of other insects.
robber-fly Asilidae hanging-thief Dasypogoninae predatory-fly
Diogmites sallei
Diogmites sallei is a species of robber fly in the family Asilidae. Members of the genus Diogmites are known as "hanging thieves" for their distinctive behavior of swinging from their front or middle legs while manipulating prey with the remaining legs. The species was originally described as Dasypogon sallei by Bellardi in 1861. Robber flies in this genus are recognized for their large size and striking green eyes.
robber-fly asilidae hanging-thief predatory-fly diptera
Diogmites ternatus
Diogmites ternatus is a species of robber fly in the family Asilidae, a group of predatory flies known for their aggressive hunting behavior and wasp-like appearance. The genus Diogmites includes species commonly referred to as 'hanging thieves' due to their characteristic behavior of suspending themselves from vegetation by their forelegs while feeding on captured prey. As with other members of the Dasypogoninae subfamily, D. ternatus likely exhibits the robust body form and strong predatory adaptations typical of this lineage.
robber-fly Asilidae Diogmites predatory-fly Diptera
Dolichocephala argus
Dolichocephala argus is a species of dance fly (family Empididae), first described by Melander in 1928. Dance flies in this family are predatory flies known for their distinctive aerial mating swarms. The genus Dolichocephala is classified within the subfamily Clinocerinae. Available records for this species are sparse, with limited observational data documented.
dance-fly Empididae Clinocerinae predatory-fly
Dolichopus aethiops
Dolichopus aethiops is a species of long-legged fly in the family Dolichopodidae, described by Van Duzee in 1921. Members of this genus are predatory flies characterized by their elongated legs and often metallic coloration. The species is part of a large and diverse family of small to medium-sized flies that are active hunters of other small insects. As with most Dolichopus species, positive identification typically requires examination of male genitalia.
Diptera Dolichopodidae predatory-fly long-legged-fly metallic-fly
Dolichopus aurifex
Dolichopus aurifex is a species of long-legged fly in the family Dolichopodidae, described by Van Duzee in 1921. As a member of the genus Dolichopus, it shares characteristics with other species in this group, including elongated legs and metallic coloration typical of many dolichopodids. The species belongs to a diverse family of predatory flies known for their agility and complex courtship behaviors.
Dolichopodidae long-legged-fly predatory-fly metallic-fly aquatic-predator Van-Duzee-1921
Dolichopus domesticus
Dolichopus domesticus is a species of long-legged fly in the family Dolichopodidae, described by Van Duzee in 1921. Members of this genus are small, metallic-colored predatory flies known for their elongated legs and agile flight. Like other dolichopodids, they are predators of small insects. The specific epithet "domesticus" suggests an association with human-modified environments, though detailed ecological data for this particular species is limited.
Dolichopodidae long-legged-fly predatory-fly Diptera
Dolichopus gratus
Dolichopus gratus is a species of long-legged fly in the family Dolichopodidae, described by Loew in 1861. As a member of this large and diverse family, it shares the characteristic predatory habits and metallic coloration typical of dolichopodids. The genus Dolichopus is one of the most species-rich genera in the family, with males possessing distinctive ornamented front tarsi used in courtship displays. Specific ecological details for D. gratus remain poorly documented in available sources.
long-legged-fly predatory-fly Dolichopodidae
Dolichopus longimanus
Dolichopus longimanus is a species of long-legged fly in the family Dolichopodidae, described by Loew in 1861. As a member of the genus Dolichopus, it shares the characteristic elongated legs and metallic coloration typical of this diverse group of predatory flies. The species epithet 'longimanus' refers to its long forelegs or 'hands'. Like other dolichopodids, it is likely a small, active predator of other small insects.
long-legged-fly Diptera Dolichopodidae predatory-fly metallic-fly
Dolichopus occidentalis
Dolichopus occidentalis is a species of long-legged fly in the family Dolichopodidae, described by Aldrich in 1893. It belongs to a large genus of predatory flies known for their elongated legs and metallic coloration. The specific epithet 'occidentalis' suggests a western geographic association. As with other members of Dolichopodidae, it is presumed to be predatory, though specific ecological details for this species remain poorly documented.
long-legged-fly Dolichopodidae Diptera predatory-fly
Dolichopus porphyrops
Dolichopus porphyrops is a species of long-legged fly in the family Dolichopodidae, first described by Van Duzee in 1921. Like other members of the genus Dolichopus, it belongs to a diverse group of small, predatory flies characterized by elongated legs and often metallic coloration. The species is known from limited distribution records in the northeastern United States.
Dolichopodidae long-legged-fly predatory-fly Diptera Van-Duzee-1921 North-America Vermont
Dolichopus pulchrimanus
Dolichopus pulchrimanus is a species of long-legged fly in the family Dolichopodidae, first described by Bigot in 1888. The genus Dolichopus is one of the largest genera within this diverse family of predatory flies. Like other members of its genus, it possesses characteristically elongated legs and likely exhibits predatory behavior on small insects. Species-level identification within Dolichopus typically requires examination of male genitalia.
Diptera Dolichopodidae predatory-fly long-legged-fly
Dolichopus ramifer
Dolichopus ramifer is a species of long-legged fly in the family Dolichopodidae, described by Loew in 1861. Members of the genus Dolichopus are predatory flies known for their elongated legs and often metallic coloration. Males of the genus possess modified front tarsi adorned with scale-like ornaments used in courtship displays. The species is part of a large and diverse family with complex identification requirements.
Diptera Dolichopodidae predatory-fly long-legged-fly Loew-1861 North-America
Dolichopus remipes
long-legged fly
Dolichopus remipes is a species of long-legged fly in the family Dolichopodidae, a diverse group of predatory flies characterized by their elongated legs and often metallic coloration. The species was described by Wahlberg in 1839 and is known from European localities. As with other members of the genus Dolichopus, it likely exhibits the family's characteristic predatory behavior on small insects, though specific ecological details for this species remain limited in published literature.
Dolichopodidae long-legged-fly predatory-fly European Diptera metallic-fly
Dolichopus scapularis
long-legged fly
Dolichopus scapularis is a species of long-legged fly in the family Dolichopodidae, first described by Loew in 1861. Members of this family are small to medium-sized flies, typically metallic in coloration, and are predatory on other small insects. The genus Dolichopus is one of the largest genera within the family, with males often possessing distinctive modifications to their fore tarsi used in courtship displays.
Diptera Dolichopodidae predatory-fly metallic-fly
Dolichopus sincerus
Dolichopus sincerus is a species of long-legged fly described by Melander in 1900. It belongs to the genus Dolichopus, a large group within the family Dolichopodidae. Like other members of its genus, it is presumed to be predatory on small insects. The species is known from limited records, with only one observation documented in iNaturalist.
Diptera Dolichopodidae long-legged-fly predatory-fly Melander-1900
Dolichopus tenuipes
Dolichopus tenuipes is a species of long-legged fly in the family Dolichopodidae, first described by Aldrich in 1894. The genus Dolichopus is one of the largest genera of long-legged flies, with members characterized by elongated legs and often metallic coloration. Males of most Dolichopus species possess specialized scales on the front tarsi that function in courtship displays. The specific epithet 'tenuipes' refers to slender or thin feet, suggesting distinctive leg morphology.
Diptera Dolichopodidae long-legged-fly predatory-fly Aldrich-1894
Dolichopus tonsus
Dolichopus tonsus is a species of long-legged fly in the family Dolichopodidae, described by Loew in 1861. As a member of the genus Dolichopus, it belongs to a diverse group of small, predatory flies known for their metallic coloration and elongated legs. The genus Dolichopus is characterized by males having modified front tarsi adorned with special scales used in courtship displays. Species-level identification within Dolichopus generally requires examination of male genitalia.
Diptera Dolichopodidae predatory-fly long-legged-fly metallic-fly
Echthodopa carolinensis
Echthodopa carolinensis is a species of robber fly (family Asilidae) described by Bromley in 1951. It belongs to a genus of predatory flies that capture prey in flight. The species epithet 'carolinensis' suggests a connection to the Carolinas region of the United States, though specific details about its biology and ecology remain poorly documented in available sources.
robber-fly Asilidae predatory-fly Diptera insect Bromley-1951 Carolinas North-America poorly-known rarely-collected data-deficient
Echthodopa formosa
Echthodopa formosa is a species of robber fly in the family Asilidae, first described by Loew in 1872. Robber flies in this family are predatory insects known for their aggressive hunting behavior and diverse morphological adaptations. The genus Echthodopa is part of the diverse asilid fauna of North America. Available information about this specific species is limited beyond its taxonomic placement.
robber-fly Asilidae predatory-fly Diptera
Efferia antiochi
Efferia antiochi is a species of robber fly (family Asilidae) described by Wilcox in 1966. The genus Efferia comprises large, predatory flies in the subfamily Asilinae, characterized by their robust build, prominent compound eyes, and strong predatory behavior. Efferia antiochi is one of numerous species in this diverse genus, which is primarily distributed in arid and semi-arid regions of North America. Like other robber flies, adults are aerial predators that capture other insects in flight.
robber-fly asilidae predatory-fly diptera wilcox-1966
Efferia apache
Efferia apache is a species of robber fly in the family Asilidae, described by Wilcox in 1966. The genus Efferia comprises predatory flies known for their aggressive hunting behavior. Records indicate this species has been observed in western Texas, specifically in juniper chaparral habitat at Gold Mine Canyon in Val Verde County. Adults have been collected at mercury-vapor lights, suggesting nocturnal or crepuscular activity patterns. The species name "apache" likely references the Apache peoples or geographic regions of the southwestern United States.
Asilidae robber-fly Diptera predatory-fly western-Texas nocturnal light-attracted juniper-chaparral 1966-description Wilcox
Efferia argentifrons
Silver-faced Hammertail
Efferia argentifrons is a robber fly in the family Asilidae, first described by Hine in 1911. The species is characterized by its distinctive silvery facial markings, as indicated by its specific epithet ('argentifrons' = silver-faced). It belongs to a large genus of predatory flies known for their robust build and aggressive hunting behavior. Field observations of this species are sparse, with only three documented observations on iNaturalist, suggesting it may be uncommon or underreported.
Diptera Asilidae robber-fly predatory-fly Efferia silver-faced Hammertail
Efferia argyrosoma
Efferia argyrosoma is a species of robber fly (family Asilidae) described by Hine in 1911. The genus Efferia represents one of the most diverse and widespread groups of robber flies in North America, with species typically characterized by their predatory behavior and distinctive male genitalia. As a member of the subfamily Asilinae, E. argyrosoma shares the general robust body form and predatory habits typical of this group. The specific epithet 'argyrosoma' refers to the silvery or argent body coloration characteristic of this species.
robber-fly asilid predatory-fly silver-bodied
Efferia armata
Golden Club-legged Hammertail
Efferia armata is a species of robber fly in the family Asilidae, described by Hine in 1918. The species is known by the common name Golden Club-legged Hammertail. Like other members of the genus Efferia, it is a predatory dipteran that hunts other insects. The genus Efferia comprises a large group of robber flies distributed primarily in the Americas, with many species exhibiting distinctive morphological features and habitat preferences.
robber-fly Asilidae Diptera predatory-fly Hine-1918
Efferia aurimystacea
Efferia aurimystacea is a species of robber fly in the family Asilidae, first described by Hine in 1919. The genus Efferia comprises large, predatory flies distributed primarily in North America, with many species exhibiting distinctive sexual dimorphism including swollen male genital capsules. This species belongs to a group historically associated with the genus Triorla, though modern taxonomy generally treats Efferia as valid. Robber flies in this genus are aerial predators that capture other insects in flight.
robber-fly asilid predatory-fly Diptera North-America
Efferia azteci
Efferia azteci is a species of robber fly in the family Asilidae, described by Wilcox in 1966. The genus Efferia belongs to a group of large, predatory flies commonly known as robber flies, which are characterized by their stout bodies, prominent compound eyes, and predatory behavior. This species is part of a diverse assemblage of Asilidae found in North America, with members of the genus often exhibiting distinctive sexual dimorphism in abdominal coloration patterns.
robber-fly Asilidae Diptera predatory-fly Wilcox-1966
Efferia basini
Efferia basini is a species of robber fly (family Asilidae) described by Wilcox in 1966. As a member of the genus Efferia, it belongs to a diverse group of predatory flies found primarily in the Americas. Robber flies in this genus are known for their robust build, strong predatory capabilities, and distinctive morphological features. The specific epithet 'basini' honors an individual, following common practice in entomological nomenclature.
robber-fly Asilidae Diptera predatory-fly Efferia North-America 1966-description
Efferia beameri
Efferia beameri is a species of robber fly in the family Asilidae, described by Wilcox in 1966. As a member of the large genus Efferia, this species belongs to a diverse group of predatory flies found primarily in the Americas. The genus Efferia is one of the most species-rich genera of Asilidae, with many species exhibiting distinctive morphological features and ecological specializations. Specific details regarding the biology and distribution of E. beameri remain poorly documented in published literature.
Asilidae robber-fly predatory-fly Diptera Efferia North-America
Efferia belfragei
Efferia belfragei is a species of robber fly (family Asilidae) described by Hine in 1919. The genus Efferia comprises large, predatory flies that are among the most charismatic members of the family. Species in this group are characterized by their robust build, prominent mystax (beard of bristles), and predatory behavior. Efferia belfragei belongs to a genus that was historically treated broadly but has undergone significant taxonomic revision, with some former subgenera now recognized as distinct genera such as Triorla. The species is part of a diverse assemblage of robber flies in North America, particularly well-represented in the southwestern United States and Mexico.
Asilidae robber-fly Diptera predatory-fly North-America
Efferia bexarensis
Efferia bexarensis is a species of robber fly (family Asilidae) described by Bromley in 1934. The specific epithet 'bexarensis' indicates its type locality in Bexar County, Texas. As a member of the Efferia group of robber flies, it belongs to a diverse and widespread lineage of predatory dipterans known for their robust build and aggressive hunting behavior. The species is documented from Texas, though detailed biological information remains limited in published literature.
robber-fly Asilidae Diptera Texas predatory-fly Efferia-group
Efferia bicaudata
Great Plains Hammertail
Efferia bicaudata is a species of robber fly in the family Asilidae, commonly known as the Great Plains Hammertail. The species was originally described as Erax bicaudatus by Hine in 1919 and later transferred to the genus Efferia. A 1964 study in the Annals of the Entomological Society of America examined its distribution, ethology, and egg morphology, representing one of the few detailed biological studies of this species. As a member of the Asilidae, it is a predatory fly that captures other insects in flight.
Diptera Asilidae robber-fly Efferia Great-Plains-Hammertail predatory-fly Hine-1919
Efferia bryanti
Madera Canyon Hammertail
Efferia bryanti is a species of robber fly in the family Asilidae, described by Wilcox in 1966. It is commonly known as the Madera Canyon Hammertail. The species belongs to the large and diverse genus Efferia, which contains numerous North American robber fly species. As with other Efferia species, E. bryanti is a predatory fly that likely hunts other insects.
robber-fly Asilidae Diptera predatory-fly North-America Arizona
Efferia cabeza
Efferia cabeza is a species of robber fly in the family Asilidae, described by Wilcox in 1966. The genus Efferia belongs to a group of large, predatory flies commonly known as robber flies, which are characterized by their robust build, large eyes, and predatory behavior. Members of this genus are primarily distributed in the Americas. The species epithet "cabeza" (Spanish for "head") may allude to distinctive head morphology, though specific diagnostic features for this species remain poorly documented in accessible literature.
robber-fly Asilidae Diptera predatory-fly Efferia North-America 1966-description Wilcox
Efferia cana
Efferia cana is a species of robber fly in the family Asilidae, described by Hine in 1916. The genus Efferia belongs to a group of large, predatory flies commonly known as robber flies or assassin flies. Members of this genus are characterized by their robust build, prominent compound eyes, and predatory behavior. Efferia cana is part of a diverse assemblage of Asilidae species found in North America, where these flies occupy important roles as aerial predators in various terrestrial habitats.
robber-fly asilidae diptera predatory-fly aerial-predator entomology insect-taxonomy north-america efferia-group assassin-fly
Efferia clementei
Efferia clementei is a species of robber fly (family Asilidae) described by Wilcox and Martin in 1945. The species belongs to the large genus Efferia, a group of predatory flies distributed primarily across the Americas. As with other robber flies, E. clementei is presumed to be an aerial predator of other insects, though specific ecological details remain poorly documented in published literature.
robber-fly Asilidae Diptera predatory-fly North-America
Efferia completa
Rio Grande Hammertail
Efferia completa is a species of robber fly (family Asilidae) known by the common name Rio Grande Hammertail. It belongs to the large and diverse genus Efferia, which comprises predatory flies distributed primarily in the Americas. The species was described by Macquart in 1838. Like other asilids, it is presumed to be an aerial predator of other insects.
robber-fly asilid predatory-fly hammertail Rio-Grande
Efferia coquillettii
Efferia coquillettii is a species of robber fly (family Asilidae) first described by Hine in 1919. The genus Efferia comprises medium to large-sized predatory flies found primarily in arid and semi-arid regions of North America. Members of this genus are characterized by their robust build, prominent mystax (facial bristles), and predatory behavior. Efferia species are often encountered at light traps and are active predators of other insects.
robber-fly asilidae predatory-fly southwestern-US light-attracted hilltopping
Efferia costalis
Crested Hammertail
Efferia costalis is a species of robber fly (Asilidae) described by Williston in 1885. The species is known by the common name "Crested Hammertail." As a member of the genus Efferia, it belongs to a diverse group of predatory flies commonly found in North America. The species has been documented through limited observations, with only 3 records reported on iNaturalist.
Diptera Asilidae robber-fly predatory-fly North-America Crested-Hammertail Williston-1885
Efferia cressoni
Efferia cressoni is a species of robber fly in the family Asilidae, originally described by Hine in 1919. The species belongs to a large and diverse genus of predatory flies found primarily in the Americas. Robber flies in the genus Efferia are known for their robust build, strong flying ability, and predatory behavior. The specific epithet honors Cresson, likely referring to the entomologist Ezra Townsend Cresson.
robber-fly Asilidae Diptera predatory-fly North-America
Efferia davisi
Davis Hammertail
Efferia davisi is a species of robber fly in the family Asilidae, first described by Wilcox in 1966. It belongs to a large genus of predatory flies commonly known as 'hammertails' due to the swollen male genital capsule. The species is part of the diverse Nearctic fauna of Efferia, which contains numerous species distributed across North America. Like other robber flies, E. davisi is an aerial predator that captures other insects in flight.
robber-fly Asilidae Diptera predatory-fly hammertail Nearctic 1966-description Wilcox
Efferia duncani
Efferia duncani is a species of robber fly in the family Asilidae, first described by Wilcox in 1966. The genus Efferia comprises large, predatory flies that are morphologically similar to the related genus Triorla. Robber flies in this group are characterized by their robust build, large eyes, and predatory behavior. Specific ecological details for E. duncani remain poorly documented in the available literature.
robber-fly Asilidae Diptera predatory-fly western-North-America Efferia-group Triorla-related poorly-known-species Wilcox-1966
Efferia frewingi
Columbia River Hammertail
Efferia frewingi is a species of robber fly (family Asilidae) described by Wilcox in 1966. Based on the genus Efferia, it belongs to a diverse group of predatory flies known for their robust bodies, large eyes, and aerial hunting behavior. The species epithet "frewingi" honors an individual, following the patronymic naming convention common in entomology. The common name "Columbia River Hammertail" suggests an association with the Columbia River region, though specific ecological details remain poorly documented in accessible literature.
Asilidae robber-fly Diptera predatory-fly Efferia-group Pacific-Northwest endemic rarely-collected
Efferia grandis
Great Mesquite Hammertail
Efferia grandis is a species of robber fly (family Asilidae) described by Hine in 1919. It belongs to the diverse genus Efferia, which contains many species of predatory flies found primarily in North America. The common name "Great Mesquite Hammertail" suggests an association with mesquite habitats, though specific ecological details remain limited in available sources.
Diptera Asilidae Efferia robber-fly predatory-fly North-America Hine-1919 Great-Mesquite-Hammertail
Efferia harveyi
Harvey Hammertail
Efferia harveyi is a species of assassin fly (family Asilidae), commonly known as the Harvey Hammertail. Originally described as Erax harveyi by Hine in 1919, it was later transferred to the genus Efferia. Like other members of the Asilidae, this species is a predatory fly. The common name 'Harvey Hammertail' refers to the clubbed or expanded abdomen tip characteristic of many Efferia species. The species has been documented in at least 25 observations on iNaturalist.
Diptera Asilidae assassin-fly robber-fly predatory-fly North-America
Efferia helenae
Helen Hammertail
Efferia helenae is a species of robber fly in the family Asilidae, first described by Bromley in 1951. The species is known from limited observations, with only 14 documented occurrences on iNaturalist. Like other members of the genus Efferia, it is presumed to be a predatory fly that hunts other insects. The common name "Helen Hammertail" refers to the characteristic swollen genital capsule of males in this genus.
Asilidae robber-fly Diptera predatory-fly hammertail
Efferia kansensis
Efferia kansensis is a species of robber fly in the family Asilidae, described by Hine in 1919. The specific epithet "kansensis" indicates Kansas as the type locality. As a member of the genus Efferia, it belongs to a group of medium to large-sized robber flies that are characteristic of North American arid and semi-arid regions. The genus Efferia is taxonomically complex and has undergone significant revision, with some former segregates now recognized as valid genera.
robber-fly Diptera Asilidae North-America Kansas predatory-fly Dasypogoninae
Efferia kondratieffi
Kondratieff Hammertail
Efferia kondratieffi is a species of robber fly in the family Asilidae, described by Bullington & Lavigne in 1984. It belongs to the large genus Efferia, which comprises numerous species across North and South America. The species was formally described with comparative notes on the related Efferia aestuans. Like other robber flies, it is a predatory insect with a characteristic robust build and strong flying ability.
Diptera Asilidae robber-fly predatory-fly North-America sand-habitat
Efferia mesquite
Mesquite robber fly
Efferia mesquite is a species of robber fly in the family Asilidae, described by Bromley in 1951. The species epithet "mesquite" suggests an association with mesquite trees (Prosopis spp.), which serve as perching and hunting substrates for adults. Like other Efferia species, it is a predatory fly that captures other insects in flight. The genus Efferia is part of a complex of robber flies formerly grouped under Efferia but now split into several genera including Efferia sensu stricto and Triorla.
Asilidae robber-fly Diptera predatory-fly mesquite Prosopis Southwestern-United-States Bromley-1951 Efferia-group Triorla-group
Efferia monki
Efferia monki is a species of robber fly in the family Asilidae, described by Bromley in 1951. Like other members of the genus Efferia, it belongs to a diverse group of predatory flies characterized by their stout bodies, large compound eyes, and raptorial legs adapted for capturing prey in flight. The species name honors an individual with the surname Monk, though the specific etymology is not detailed in available sources. As with most Efferia species, detailed biological information remains limited in published literature.
robber-fly Asilidae Diptera predatory-fly Efferia
Efferia nemoralis
Woodland Hammertail
Efferia nemoralis is a species of robber fly in the family Asilidae, commonly known as the Woodland Hammertail. It is one of approximately 80 species in the genus Efferia, which is distributed primarily in the Americas. The species was originally described as Erax nemoralis by Hine in 1911 and later transferred to Efferia. Like other robber flies, it is a predatory insect that captures prey in flight.
robber-fly asilidae predatory-fly diptera
Efferia neoinflata
Efferia neoinflata is a species of robber fly (family Asilidae) described by Wilcox in 1966. It belongs to a diverse genus of predatory flies distributed primarily in the Americas. The species epithet "neoinflata" suggests a relationship to or distinction from E. inflata, a pattern common in Efferia species nomenclature. As with other robber flies, adults are aerial predators that capture other insects in flight. The genus Efferia was historically treated as a subgenus within a broader concept of Asilus but has been elevated to full generic status in modern classifications.
Diptera Asilidae Efferia robber-fly predatory-fly Wilcox-1966
Efferia ordwayae
Efferia ordwayae is a species of robber fly (family Asilidae) described by Wilcox in 1966. Like other members of the genus Efferia, it is a predatory dipteran characterized by a robust body, strong legs adapted for seizing prey, and a prominent mystax of bristles on the face. The genus Efferia is one of the largest genera of robber flies in North America, with species typically associated with open, dry habitats. Specific information about the biology and distribution of E. ordwayae remains limited in the available literature.
robber-fly Asilidae Diptera predatory-fly Efferia insect North-America
Efferia pernicis
Efferia pernicis is a species of robber fly in the family Asilidae, described by Coquillett in 1893. As a member of the genus Efferia, it belongs to a diverse group of predatory flies characterized by their robust build, large eyes, and raptorial legs adapted for capturing prey in flight. The species is part of the Asilinae subfamily, which contains many of the larger and more conspicuous robber flies in North America.
robber-fly predatory-fly Asilidae Diptera Nearctic
Efferia pinali
Efferia pinali is a species of robber fly (family Asilidae) described by Wilcox in 1966. As a member of the genus Efferia, it belongs to a diverse group of predatory flies found primarily in the Americas. The specific epithet "pinali" suggests an association with pine habitats or the Pinal region, though explicit habitat documentation for this particular species is limited. Robber flies in this genus are generally medium to large-sized predators that hunt other insects in flight.
robber-fly Asilidae Diptera predatory-fly Wilcox-1966 North-America
Efferia prairiensis
Prairie Hammertail
Efferia prairiensis is a species of robber fly in the family Asilidae, commonly known as the Prairie Hammertail. It belongs to the large and diverse genus Efferia, which contains many North American species. Robber flies in this genus are predatory insects that typically hunt other insects in flight. The specific epithet "prairiensis" suggests an association with prairie habitats.
Asilidae robber-fly Diptera predatory-fly Efferia
Efferia producta
White Thorny Hammertail
Efferia producta is a robber fly species in the family Asilidae, described by Hine in 1919. The common name "White Thorny Hammertail" refers to distinctive features of this species. As with other Efferia species, it belongs to a diverse genus of predatory flies known for their robust build and predatory habits. The species has been documented through limited observations on iNaturalist, suggesting it may be relatively uncommon or underreported. Robber flies in this genus are typically associated with arid and semi-arid habitats in western North America.
Asilidae robber-fly Diptera predatory-fly Efferia
Efferia slossonae
Scrub Hammertail
Efferia slossonae is a species of robber fly (family Asilidae) described by Hine in 1919. It belongs to the diverse genus Efferia, a group of predatory flies distributed primarily in the Americas. The species has been documented in the southwestern United States, with observations concentrated in Texas and surrounding regions. Like other robber flies, it is an aerial predator that captures other insects in flight.
robber-fly asilidae predatory-fly southwestern-United-States scrub-habitat
Efferia spiniventris
Efferia spiniventris is a species of robber fly (family Asilidae) described by Hine in 1919. The species belongs to the large and diverse genus Efferia, which is primarily distributed in the New World. Robber flies in this genus are predatory as adults, typically hunting other insects. The specific epithet "spiniventris" refers to spiny ventral characteristics. The genus Efferia has undergone taxonomic revision, with some former subgenera now recognized as distinct genera such as Triorla.
robber-fly Asilidae Diptera predatory-fly Efferia North-America
Efferia subcuprea
Chiricahua Hammertail
Efferia subcuprea is a species of robber fly (family Asilidae) described by Schäffer in 1916. The species belongs to the genus Efferia, a large and diverse group of predatory flies distributed primarily in the New World. The common name "Chiricahua Hammertail" suggests an association with the Chiricahua region of southeastern Arizona. Robber flies in this genus are generally characterized by their robust build, strong predatory habits, and often distinctive sexual dimorphism, with males typically possessing a swollen terminal abdominal segment.
robber-fly Asilidae Efferia Chiricahua Arizona predatory-fly Diptera
Efferia subpilosa
Efferia subpilosa is a species of robber fly in the family Asilidae, first described by Schäffer in 1916. The genus Efferia comprises medium to large-sized predatory flies distributed primarily in the New World, with many species occurring in arid and semi-arid regions of North and South America. Members of this genus are characterized by their robust build, prominent compound eyes, and predatory habits. Efferia subpilosa is one of numerous species within this diverse genus, though specific ecological and behavioral details remain poorly documented in the available literature.
Asilidae robber-fly predatory-fly Diptera Efferia Schäffer-1916
Efferia tagax
Arizona Club-legged Hammertail
Efferia tagax is a robber fly species in the family Asilidae, first described by Williston in 1885. It occurs in the southwestern United States, particularly Arizona, where it has been recorded at mercury-vapor lights in juniper chaparral habitat. The species belongs to a diverse genus of predatory flies commonly known as club-legged hammertails. Like other Efferia species, it likely exhibits typical robber fly predatory behavior, ambushing and capturing other insects in flight.
Asilidae robber-fly Diptera predatory-fly juniper-chaparral southwestern-United-States nocturnal light-attracted
Efferia texana
Texas Hammertail
Efferia texana is a species of robber fly in the family Asilidae, commonly known as the Texas Hammertail. This predatory fly is native to southwestern North America and belongs to a diverse genus of aerial predators that hunt other insects. The species was first described by Banks in 1919 and is recognized as a valid taxon in major databases including GBIF and Catalogue of Life.
robber-fly Asilidae Diptera predatory-fly Texas endemic hammertail
Efferia tolandi
Efferia tolandi is a species of robber fly (family Asilidae) described by Wilcox in 1966. The genus Efferia comprises medium to large-sized predatory flies found primarily in arid and semi-arid regions of North America. Members of this genus are characterized by their robust build, large compound eyes, and predatory habits. Efferia species are often encountered at light traps and are active predators of other insects.
robber-fly Asilidae Diptera predatory-fly Efferia North-America arid-regions
Efferia tucsoni
Reddish Thorny Hammertail
Efferia tucsoni is a species of robber fly (family Asilidae) described by Wilcox in 1966. The common name 'Reddish Thorny Hammertail' refers to distinctive morphological features typical of the genus. Robber flies in the genus Efferia are predatory dipterans known for their aggressive hunting behavior and distinctive genital capsule morphology in males. The species is part of a large North American genus that has undergone taxonomic revision, with some former Efferia species now placed in related genera such as Triorla.
robber-fly asilid predatory-fly southwestern-US-fauna Diptera Asilidae Efferia-group
Efferia vertebrata
Mountain Hammertail
Efferia vertebrata is a species of robber fly (family Asilidae) first described by Bromley in 1940. Known by the common name "Mountain Hammertail," this predatory dipteran belongs to the large and diverse genus Efferia, which contains numerous species distributed primarily in the Americas. Robber flies in this genus are characterized by their robust build, strong flying ability, and predatory habits. The specific epithet "vertebrata" likely refers to some aspect of the species' structural morphology, though the precise meaning is not documented in readily available sources.
robber-fly Asilidae Diptera predatory-fly rarely-documented data-deficient
Efferia wilcoxi
Wilcox Hammertail
Efferia wilcoxi is a species of robber fly in the family Asilidae, described by Bromley in 1940. The species belongs to the genus Efferia, a large and diverse group of predatory flies commonly known as "hammertails" due to the swollen genital capsule in males. As a member of the subfamily Dasypogoninae, this species exhibits the characteristic predatory behavior and morphology typical of robber flies, including large compound eyes, a concave face with a mystax of bristles, and raptorial legs adapted for capturing prey in flight. The specific epithet "wilcoxi" honors an individual, likely an entomologist or collector associated with the type specimen.
robber-fly asilidae predatory-fly hammertail dasypogoninae diptera insect-predator
Efferia zonata
Banded Hammertail
Efferia zonata is a species of robber fly (family Asilidae) described by Hine in 1919. The species belongs to the Efferia group, a lineage of large, predatory flies formerly treated as a subgenus of Efferia but now widely regarded as comprising valid related genera including Triorla. As a member of this group, E. zonata likely shares characteristics with other large, powerful predatory flies that actively hunt other insects. The specific epithet 'zonata' suggests banded coloration patterning.
robber-fly Asilidae Efferia predatory-fly Diptera
Elmohardyia atlantica-complex
Elmohardyia atlantica-complex is a species complex within the long-legged fly family Dolichopodidae. The group comprises morphologically similar species that have not been fully resolved taxonomically, likely due to cryptic diversity and insufficient sampling. Members are small to medium predatory flies associated with forested habitats. The complex is part of a Neotropical genus with limited published ecological or behavioral documentation.
Dolichopodidae Neotropical Atlantic-Forest cryptic-species undescribed-species predatory-fly taxonomic-complex
Eucyrtopogon calcaratus
Eucyrtopogon calcaratus is a species of robber fly in the family Asilidae, described by Curran in 1923. It belongs to a genus of predatory flies known for their aerial hunting behavior. The specific epithet "calcaratus" refers to a spur or calcar, likely describing a morphological feature of the legs. The species is part of the diverse robber fly fauna of North America, though detailed biological information appears limited in available sources.
Asilidae robber-fly predatory-fly Diptera Curran-1923
Eucyrtopogon nigripes
Eucyrtopogon nigripes is a species of robber fly (family Asilidae) described by Jones in 1907. The specific epithet "nigripes" (Latin for "black-footed") suggests a distinctive dark coloration of the legs. Robber flies in the genus Eucyrtopogon are generally small to medium-sized predatory flies. This species belongs to a diverse family of aerial predators known for their hunting behavior.
robber-fly predatory-fly Diptera Asilidae North-America
Eudioctria brevis
Eudioctria brevis is a small species of robber fly in the family Asilidae, subfamily Stenopogoninae. It is one of four Eudioctria species occurring in eastern North America, with the genus primarily distributed in western United States. The species is among the smallest North American robber flies, measuring 6–8 mm in length. It was described by Banks in 1917.
robber-fly Stenopogoninae predatory-fly eastern-North-America small-size
Eudioctria doanei
Eudioctria doanei is a small robber fly (family Asilidae) in the subfamily Stenopogoninae. It belongs to a genus of diminutive predatory flies measuring only 6–8 mm in length, making them among the smallest North American robber flies. The species was described by Melander in 1924. While specific details about this particular species are sparse, the genus Eudioctria is primarily western in distribution, with four of its fourteen species extending into eastern North America. Members of this genus are known to perch on flat leaves at the tops of small shrubs, distinguishing them behaviorally from similar-looking Cerotainia species that prefer twig-ends.
robber-fly Asilidae Stenopogoninae predatory-fly small-size
Eudioctria media
Eudioctria media is a species of robber fly in the family Asilidae, subfamily Stenopogoninae. It is one of approximately 14 species in the genus Eudioctria, a group of small predatory flies found primarily in western North America with a few species extending into eastern states. The genus is characterized by extremely small body size among robber flies, measuring only 6–8 mm in length.
robber-fly Stenopogoninae small-size North-America predatory-fly
Gymnopternus annulatus
Gymnopternus annulatus is a species of long-legged fly in the family Dolichopodidae, described by Van Duzee in 1926. The genus Gymnopternus belongs to the subfamily Dolichopodinae, a group of predatory flies known for their elongated legs and metallic coloration. This species is currently accepted in taxonomic databases but has no documented observations in community science platforms. The specific epithet 'annulatus' typically refers to ringed or banded markings, though the precise morphological features distinguishing this species from congeners remain poorly documented in accessible literature.
Diptera Dolichopodidae long-legged-fly predatory-fly Van-Duzee-1926
Gymnopternus exilis
Gymnopternus exilis is a species of long-legged fly in the family Dolichopodidae, described by Loew in 1861. It belongs to the subfamily Dolichopodinae. The genus Gymnopternus comprises small to medium-sized predatory flies characterized by their elongated legs. Very little specific information is available about this particular species beyond its taxonomic placement.
Diptera Dolichopodidae long-legged-fly predatory-fly
Gymnopternus subulatus
Gymnopternus subulatus is a species of long-legged fly described by Loew in 1861. It belongs to the family Dolichopodidae, a diverse group of small to medium-sized predatory flies known for their elongated legs. The genus Gymnopternus is part of the subfamily Dolichopodinae.
Dolichopodidae Diptera predatory-fly long-legged-fly
Hadrokolos
Hadrokolos is a genus of robber flies (Asilidae) established by Martin in 1959. The genus contains at least four described species distributed in North America. As members of the Asilidae family, species in this genus are predatory flies. The genus is relatively small and understudied compared to larger asilid genera.
robber-fly Asilidae predatory-fly North-America understudied-genus
Hadrokolos cazieri
Hadrokolos cazieri is a species of robber fly in the family Asilidae, first described by Martin in 1959. The genus Hadrokolos is a small group within the diverse asilid fauna of North America. Robber flies in this genus are predatory insects that capture other arthropods in flight. Specific ecological details for H. cazieri remain poorly documented in published literature.
asilidae robber-fly predatory-fly diptera martin-1959
Haplopogon bullatus
Haplopogon bullatus is a species of robber fly in the family Asilidae, described by Bromley in 1934. The genus Haplopogon belongs to the subfamily Stenopogoninae, a group of predatory flies characterized by their elongated bodies and strong predatory habits. Like other asilids, this species is presumed to be an active aerial predator of other insects.
robber-fly asilidae predatory-fly
Haplopogon dicksoni
Haplopogon dicksoni is a species of robber fly (family Asilidae) described by Wilcox in 1966. The genus Haplopogon is a small group within the subfamily Asilinae, characterized by reduced wing venation and specific genitalic structures. Species in this genus are poorly documented in published literature, with most information limited to original taxonomic descriptions.
robber-fly asilid asilinae predatory-fly
Haplopogon erinus
Haplopogon erinus is a species of robber fly described by Pritchard in 1941. It belongs to the genus Haplopogon, a group within the Asilidae family characterized by reduced wing venation and distinctive predatory habits. The species is known from limited collection records and remains poorly documented in the scientific literature.
robber-fly Asilidae predatory-fly rarely-collected
Haplopogon triangulatus
Haplopogon triangulatus is a species of robber fly (family Asilidae) described by Martin in 1955. As a member of this predatory fly family, it likely shares the characteristic hunting behavior of ambushing and capturing other insects in flight. The species epithet 'triangulatus' suggests a triangular feature in its morphology, possibly in wing venation or body shape. No iNaturalist observations are recorded for this species, indicating it may be rare, poorly known, or restricted in distribution.
robber-fly predatory-fly Diptera Asilidae rarely-recorded poorly-known
Heteropogon arizonensis
Heteropogon arizonensis is a species of robber fly in the family Asilidae, described by Wilcox in 1941. The genus Heteropogon belongs to the subfamily Brachyrhopalinae, a group of small to medium-sized predatory flies. Members of this genus are known for their characteristic perching behavior on twigs and vegetation while hunting flying insect prey. The specific epithet "arizonensis" indicates the species was described from Arizona, though detailed natural history information for this particular species remains limited.
robber-fly Asilidae predatory-fly Diptera North-America Arizona
Heteropogon cirrhatus
Heteropogon cirrhatus is a species of robber fly in the family Asilidae, first described by Osten Sacken in 1877. Robber flies in this genus are small to medium-sized predatory insects. The genus Heteropogon is part of the subfamily Brachyrhopalinae. Available information about this specific species is limited.
robber-fly Asilidae predatory-fly Diptera
Heteropogon fisheri
Heteropogon fisheri is a species of robber fly (family Asilidae) described by Wilcox in 1965. It belongs to the subfamily Brachyrhopalinae, a group of predatory flies known for their aerial hunting behavior. Like other members of the genus Heteropogon, this species is likely a predator of other insects, though specific natural history details remain undocumented.
robber-fly Asilidae Diptera predatory-fly
Heteropogon rubidus
Heteropogon rubidus is a species of robber fly in the family Asilidae, first described by Coquillett in 1893. As a member of the subfamily Brachyrhopalinae, it belongs to a diverse group of predatory flies known for their distinctive hunting behavior and piercing-sucking mouthparts. The genus Heteropogon contains multiple species distributed across North America, with related species documented in forest edge habitats.
Asilidae robber-fly predatory-fly Diptera Brachyrhopalinae Heteropogon North-America Coquillett-1893
Hilara lutea
Hilara lutea is a species of dance fly in the family Empididae, described by Loew in 1863. As a member of the genus Hilara, it belongs to a diverse group of predatory flies known for their distinctive courtship behaviors where males present nuptial gifts to females. The species epithet 'lutea' (Latin for 'yellow' or 'golden-yellow') likely refers to coloration. Empidid flies are generally small to medium-sized predatory insects found in diverse habitats, with larvae typically developing in soil, decaying organic matter, or aquatic environments.
Empididae dance-fly Diptera predatory-fly
Hilara umbrosa
Hilara umbrosa is a species of dance fly in the family Empididae, described by Loew in 1862. It belongs to the genus Hilara, a diverse group of predatory flies known for their distinctive courtship behaviors involving swarming and nuptial gift presentation. The species is part of the subfamily Empidinae and tribe Hilarini. Limited observational data exists for this species, with only 13 documented observations on iNaturalist as of the available sources.
dance-fly Empididae predatory-fly
Hodophylax
Hodophylax is a genus of robber flies in the family Asilidae, established by James in 1933. The genus contains at least four described species, all found in North America. Like other robber flies, members of this genus are predatory insects. Specific ecological details remain poorly documented due to limited study of this relatively obscure genus.
robber-fly Asilidae North-American predatory-fly
Hodophylax aridus
Hodophylax aridus is a species of robber fly in the family Asilidae, described by James in 1933. The species epithet "aridus" suggests an association with arid environments. As a member of the Asilidae, it is a predatory fly. The species is represented by very few observations in biodiversity databases.
Asilidae robber-fly predatory-fly Diptera 1933-description
Hodophylax halli
Hodophylax halli is a species of robber fly in the family Asilidae, described by Wilcox in 1961. As a member of the Diptera order, this species belongs to a diverse group of predatory flies known for their aerial hunting abilities. The genus Hodophylax is part of the Asilidae family, which comprises approximately 7,000 species worldwide. Specific biological details for H. halli remain undocumented in available sources.
robber-fly Asilidae Diptera predatory-fly Hodophylax Wilcox-1961
Holcocephala abdominalis
Golden Goggle Eye
Holcocephala abdominalis is a species of robber fly in the family Asilidae, commonly known as the Golden Goggle Eye. This species is characterized by its distinctive eye morphology, with the genus name 'Holcocephala' referring to the hollow or concave head structure. The species has been documented in the northeastern United States, with records from Vermont and other locations. Like other robber flies, it is a predatory insect, though specific prey preferences for this species remain poorly documented.
robber-fly asilidae diptera predatory-fly golden-goggle-eye
Holcocephala calva
Gray Goggle Eye
Holcocephala calva is a species of robber fly in the family Asilidae, commonly known as the Gray Goggle Eye. It is one of approximately 7,500 described species of predatory robber flies found worldwide. The species belongs to the genus Holcocephala, which is characterized by distinctive head morphology. Robber flies in this family are aerial predators that capture other insects in flight.
robber-fly predatory-fly asilidae diptera
Holopogon
Holopogon is a genus of robber flies (Diptera: Asilidae) in the subfamily Brachyrhopalinae. These predatory insects are characterized by their compact, often small to medium body size and distinctive wing venation patterns. The genus was established by Komaroff and Nevski in 1935 and is distinguished from related genera by specific structural features of the male genitalia and wing morphology.
robber-fly Asilidae predatory-fly Palearctic Brachyrhopalinae
Holopogon currani
Holopogon currani is a species of robber fly (family Asilidae) described by Martin in 1959. The genus Holopogon belongs to the subfamily Brachyrhopalinae, a group of small to medium-sized predatory flies. As with other Asilidae, this species is presumed to be predatory, though specific natural history details remain poorly documented. The species epithet honors an individual with the surname Curran.
robber-fly Diptera Asilidae predatory-fly
Holopogon mingusae
Holopogon mingusae is a species of robber fly in the family Asilidae, described by Martin in 1959. It belongs to the subfamily Brachyrhopalinae and the genus Holopogon, a group of small to medium-sized predatory flies. The species was named in honor of Mingus, likely referencing a collector or individual associated with the type specimen. Like other robber flies, it is presumed to be an aerial predator of other insects.
robber-fly asilid predatory-fly Brachyrhopalinae North-American-fauna
Holopogon oriens
Holopogon oriens is a species of robber fly in the family Asilidae, described by Martin in 1959. Robber flies in this genus are predatory insects that typically hunt other arthropods. The species is placed in the subfamily Brachyrhopalinae, a group characterized by particular morphological features of the antennae and facial structure. Very few specific details about the biology or ecology of this particular species have been documented.
Asilidae Brachyrhopalinae predatory-fly Martin-1959
Holopogon snowi
Holopogon snowi is a species of robber fly in the family Asilidae, described by Back in 1909. The genus Holopogon comprises small to medium-sized predatory flies characterized by their distinctive wing venation and reduced mouthparts. This species is one of several in the genus distributed across North America.
robber-fly Asilidae predatory-fly Diptera
Holopogon umbrinus
Holopogon umbrinus is a species of robber fly (family Asilidae) described by Back in 1909. It is classified within the subfamily Brachyrhopalinae and the genus Holopogon, which comprises small to medium-sized predatory flies. The species epithet 'umbrinus' (meaning 'shadowy' or 'dusky' in Latin) likely refers to its coloration. Like other asilids, it is presumed to be an aerial predator of other insects, though specific natural history details remain poorly documented.
Asilidae robber-fly Brachyrhopalinae Diptera predatory-fly Holopogon 1909-description Back
Hybos reversus
dance fly
Hybos reversus is a species of dance fly in the family Hybotidae, originally described by Francis Walker in 1849. Like other hybotids, adults are predatory and seize prey with their forelegs. The species is part of a diverse group of small, predatory flies once classified within Empididae but now recognized as a distinct family. Larval biology remains poorly documented, as is typical for most hybotid species.
Hybotidae Diptera predatory-fly dance-fly Hybotinae Walker-1849
Itolia timberlakei
Itolia timberlakei is a species of robber fly (Diptera: Asilidae) described by Wilcox in 1949. The genus Itolia is a small group within the diverse Asilidae family, which comprises predatory flies commonly known as robber flies or assassin flies. The species epithet 'timberlakei' honors the entomologist P.H. Timberlake, who made substantial contributions to the study of bees and wasps at the University of California, Riverside. No detailed biological studies of this species have been published.
robber-fly Diptera Asilidae predatory-fly P.H.-Timberlake Wilcox-1949 California UCR-Entomology-Research-Museum
Laphria
bumblebee-mimic robber flies
Laphria is a genus of robber flies (Asilidae) established by Meigen in 1803. Species in this genus are notable for their effective mimicry of bumble bees, with hairy bodies and coloration patterns that closely resemble Bombus species. They are predatory as adults, capturing other insects in flight. The genus is distributed across North America and parts of Europe, with records from Scandinavia and the eastern United States.
Asilidae robber-fly mimicry bumble-bee-mimic Diptera predatory-fly
Laphria affinus
Bee-like Robber Fly
Laphria affinus is a medium-sized robber fly in the family Asilidae, notable as one of several North American species that exhibit effective bumble bee mimicry. The species shares the genus with other bee-mimicking Laphria, distinguished by their dense pile and robust body form that closely resembles Bombus species. These flies are predatory as adults, capturing other insects in flight.
Asilidae robber-fly mimicry Batesian-mimicry bumble-bee-mimic predatory-fly Diptera
Laphria aimatis
Laphria aimatis is a species of robber fly in the family Asilidae, described by McAtee in 1919. The genus Laphria includes species known for their effective mimicry of bumble bees (Bombus), with which they share similar coloration and hairiness. These flies are predatory as adults and are often observed perching on vegetation while hunting for prey. The specific epithet 'aimatis' appears to be derived from Greek, though its precise meaning in this context is not documented in available sources.
robber-fly Asilidae Laphria bumble-bee-mimic Diptera predatory-fly North-America
Laphria astur
Laphria astur is a species of robber fly in the family Asilidae, genus Laphria. Members of this genus are notable for their convincing mimicry of bumble bees and carpenter bees, which provides protection from predators and facilitates ambush predation on unsuspecting prey. Like other Laphria species, L. astur likely employs this mimicry to approach small flying beetles and other insects that would otherwise flee from an obvious predator. The genus name derives from Greek mythology, though specific etymology for the epithet 'astur' is not documented in available sources.
robber-fly mimicry bumble-bee-mimic asilidae predatory-fly diptera
Laphria asturina
Laphria asturina is a species of robber fly (family Asilidae), a group of predatory dipterans known for their aggressive hunting behavior. The species was originally described as Bombomima asturina before being transferred to Laphria. Like other members of the genus Laphria, it is likely a bumble bee mimic, though specific documentation of this trait for L. asturina is limited. Robber flies in this genus are notable for their convincing mimicry of hymenopterans, which may provide protection from predators.
Asilidae robber-fly Diptera predatory-fly Laphria bumble-bee-mimic aerial-predator
Laphria canis
Laphria canis is a species of robber fly in the family Asilidae, a group of predatory flies known for their aggressive hunting behavior. The genus Laphria is notable for species that are effective mimics of bumble bees, a trait that provides protection from predators and aids in ambushing prey. As with other robber flies, L. canis is presumed to be an aerial predator that captures other insects in flight. Specific details about this species remain limited in the available literature.
Asilidae robber-fly bumble-bee-mimic Diptera predatory-fly
Laphria champlainii
Laphria champlainii is a species of robber fly in the family Asilidae. It belongs to the genus Laphria, which includes several bumble bee-mimicking species known for their effective Batesian mimicry. The species was described by Walton in 1910. Like other Laphria species, it is presumed to be an active aerial predator, though specific behavioral and ecological details remain poorly documented.
robber-fly Asilidae Laphria Diptera predatory-fly bumble-bee-mimic Walton-1910
Laphria cinerea
Laphria cinerea is a species of robber fly in the family Asilidae. Members of the genus Laphria are known for their effective mimicry of bumble bees. The species was described by Back in 1904. As with other asilids, it is presumed to be an active aerial predator, though specific behavioral observations for this species are limited.
asilidae robber-fly diptera predatory-fly bumble-bee-mimic
Laphria columbica
Columbian Bee Killer
Laphria columbica is a species of robber fly in the family Asilidae, described by Francis Walker in 1866. The genus Laphria is notable for species that are effective mimics of bumble bees, and L. columbica appears to follow this pattern. Robber flies in this genus are predatory and often observed perching on vegetation while hunting. The specific epithet "columbica" suggests a connection to the Columbia River region or British Columbia, though the exact etymology is not documented in available sources.
robber-fly bee-mimic asilidae predatory-fly diptera north-america bumble-bee-mimic laphria walker-1866 columbica
Laphria coquillettii
Coquillett's Bee Killer
A robber fly in the family Asilidae, Laphria coquillettii is a bumble bee mimic that occurs in North America. Like other members of its genus, it exhibits Batesian mimicry of bumble bees (Bombus spp.), gaining protection from predators while also using its bee-like appearance to approach prey. The species was described by McAtee in 1919.
robber-fly mimicry bumble-bee-mimic Asilidae predatory-fly Batesian-mimicry
Laphria divisor
Black-waisted Laphria
Laphria divisor is a species of robber fly in the family Asilidae, commonly known as the Black-waisted Laphria. The genus Laphria includes species known for effective bumble bee mimicry, with hairy bodies and thick antennae distinguishing them from similar genera. As a member of the Asilidae, this species is a predatory fly that likely hunts other insects. The specific epithet 'divisor' was established by Nathan Banks in 1917.
robber-fly asilidae bumble-bee-mimic predatory-fly diptera
Laphria felis
Laphria felis is a species of robber fly in the family Asilidae, found in western North America. It belongs to a genus known for effective bumble bee mimicry, with several species exhibiting dense hair patterns and coloration that closely resemble bumble bees. As with other robber flies, it is presumed to be an active aerial predator. The species was described by Osten Sacken in 1877.
robber-fly Asilidae bumble-bee-mimic western-North-America predatory-fly Diptera
Laphria huron
Huron Laphria
Laphria huron is a species of robber fly (family Asilidae) described by Bromley in 1929. As a member of the genus Laphria, it belongs to a group known for effective bumble bee mimicry, with several species exhibiting dense yellow and black setation that closely resembles Bombus species. Robber flies in this genus are predatory as adults and are often found in open habitats where they perch on vegetation to hunt passing insects. The specific epithet 'huron' likely references the Great Lakes region or Lake Huron, though the precise type locality and detailed natural history of this species remain poorly documented in available sources.
robber-fly Asilidae Laphria bumble-bee-mimic Diptera predatory-fly Huron-Laphria
Laphria insignis
Remarkable Laphria
Laphria insignis is a species of robber fly in the family Asilidae, commonly known as the Remarkable Laphria. The species was originally described as Dasyllis insignis by Banks in 1917. Like other members of the genus Laphria, it is likely a bumble bee mimic, a trait common among species in this genus. As a robber fly, it is an aerial predator that captures other insects in flight.
robber-fly bumble-bee-mimic Diptera Asilidae predatory-fly
Laphria macquarti
Laphria macquarti is a species of robber fly in the family Asilidae. The genus Laphria is known for species that are effective mimics of bumble bees, with several species in this genus exhibiting this form of protective resemblance. Laphria species are generally characterized by their stout, hairy bodies and predatory habits typical of robber flies.
robber-fly bumble-bee-mimic Asilidae predatory-fly mimicry
Laphria milvina
A species of robber fly in the genus Laphria, notable for its bumble bee mimicry. Members of this genus are recognized for their effective resemblance to bumble bees, a form of Batesian mimicry that may provide protection from predators. The species was described by Bromley in 1929. Like other Laphria species, it is presumed to be an active aerial predator of other insects.
robber-fly bumble-bee-mimic Batesian-mimicry asilid Diptera predatory-fly
Laphria royalensis
A species of robber fly in the genus Laphria, known for effective bumble bee mimicry. As with other Laphria species, this taxon exhibits Batesian mimicry of bumble bees, with a hairy body and thick antennae distinguishing it from similar mimics in the genus Mallophora. The species belongs to a group of predatory flies that hunt other insects in flight.
robber-fly mimicry Batesian-mimicry bumble-bee-mimic Asilidae predatory-fly Diptera
Laphria sackeni
Laphria sackeni is a species of robber fly (family Asilidae) in the genus Laphria. Species in this genus are notable for their effective mimicry of bumble bees (Bombus spp.), a trait that distinguishes them from many other asilid genera. The genus Laphria is characterized by thick antennae, which helps distinguish it from superficially similar genera such as Mallophora. As with other robber flies, L. sackeni is presumably a predatory species, though specific details of its biology remain poorly documented.
robber-fly mimicry bumble-bee-mimic asilidae predatory-fly
Laphria sadales
Red-legged Laphria
Laphria sadales is a species of robber fly in the family Asilidae, commonly known as the Red-legged Laphria. It belongs to a genus noted for effective bumble bee mimicry, with several species resembling bees in appearance and behavior. The species has been documented in the northeastern United States, including Vermont. Like other robber flies, it is presumed to be an aerial predator, though specific behavioral and ecological details for this species remain poorly documented.
robber-fly bumble-bee-mimic Diptera Asilidae predatory-fly
Laphria sicula
Dagger Laphria
Laphria sicula is a species of robber fly in the family Asilidae, commonly known as the Dagger Laphria. The species was described by McAtee in 1919. Like other members of the genus Laphria, it is a predatory fly that exhibits bumble bee mimicry. It is part of a diverse genus of robber flies known for their effective mimicry of hymenopterans and their predatory habits.
robber-fly bumble-bee-mimic predatory-fly asilid
Laphria trux
Laphria trux is a species of robber fly in the family Asilidae, described by McAtee in 1919. As a member of the genus Laphria, it belongs to a group known for effective bumble bee mimicry. Robber flies in this family are predatory insects that capture other insects in flight. Specific ecological details for this species remain poorly documented in available sources.
robber-fly Asilidae predatory-fly bumble-bee-mimic Diptera
Laphria ventralis
Laphria ventralis is a species of robber fly in the family Asilidae, first described by Williston in 1885. The genus Laphria contains species known for their effective mimicry of bumble bees, though specific details about L. ventralis itself remain sparse in the literature. As with other robber flies, it is presumed to be an aerial predator. The species has been documented in at least 23 observations on iNaturalist, indicating it is encountered with some regularity by naturalists, though published biological studies appear limited.
robber-fly Asilidae Diptera predatory-fly
Laphria winnemana
Laphria winnemana is a species of robber fly in the family Asilidae, described by McAtee in 1919. The genus Laphria is noted for species that are effective mimics of bumble bees (Bombus), a trait that distinguishes this group within the Asilidae. As a member of the robber flies, this species is presumed to be an active aerial predator. Specific ecological and behavioral details for L. winnemana remain poorly documented in published literature.
robber-fly bumble-bee-mimic asilid predatory-fly
Laphystia
Laphystia is a genus of robber flies (family Asilidae) established by Loew in 1847. The genus contains at least 50 described species, with 56 species listed in current catalogs. Members are aerial predators within the order Diptera, though specific morphological and ecological traits distinguishing Laphystia from related asilid genera are not well documented in readily available sources.
robber-fly asilid predatory-fly Brachycera
Laphystia bromleyi
Laphystia bromleyi is a species of robber fly (family Asilidae) described by Wilcox in 1960. The genus Laphystia comprises small to medium-sized predatory flies distributed primarily in the New World. As a member of Asilidae, this species is presumed to be an aerial predator of other insects. Published records for this species are extremely limited, with minimal observational data available in public repositories.
robber-fly asilid predatory-fly Mexican-fauna rarely-recorded
Laphystia canadensis
Laphystia canadensis is a species of robber fly in the family Asilidae, described by Curran in 1927. As a member of this predatory fly family, it likely exhibits the characteristic hunting behavior of asilids, ambushing prey from a perch. The species epithet 'canadensis' indicates a North American distribution, though specific details about its biology and ecology remain poorly documented in the available literature.
Diptera Asilidae robber-fly predatory-fly Curran-1927
Laphystia confusa
Laphystia confusa is a species of robber fly in the family Asilidae, described by Curran in 1927. As a member of this predatory fly family, it belongs to a group known for aerial hunting behavior and distinctive physical adaptations for capturing prey. The species is accepted in current taxonomy and is classified within the genus Laphystia.
Asilidae robber-fly Diptera Curran-1927 predatory-fly
Laphystia howlandi
Laphystia howlandi is a species of robber fly in the family Asilidae, described by Wilcox in 1960. It belongs to the genus Laphystia, a group of predatory flies characterized by their stout bodies and strong flying ability. The species is part of the diverse asilid fauna of North America. Like other robber flies, it is presumed to be an active aerial predator of other insects.
robber-fly asilidae predatory-fly North-America poorly-known
Laphystia jamesi
Laphystia jamesi is a species of robber fly in the family Asilidae, first described by Wilcox in 1960. It belongs to the genus Laphystia, a group of predatory flies within the order Diptera. As with other Asilidae, this species is presumed to be an aerial predator of other insects, though specific ecological details remain undocumented in available sources.
robber-fly Asilidae Diptera predatory-fly
Laphystia laguna
A species of robber fly (family Asilidae) described by Wilcox in 1960. The specific epithet "laguna" suggests a potential association with lake or wetland habitats, though direct ecological observations remain limited. As with other Asilidae, it is predatory as an adult. Available occurrence records are sparse, with only four observations documented in iNaturalist.
asilidae robber-fly diptera predatory-fly new-mexico
Laphystia lanhami
Laphystia lanhami is a species of robber fly (family Asilidae) described by James in 1941. The genus Laphystia contains predatory flies that hunt other insects in flight. Like other Asilidae, this species likely exhibits the characteristic predatory behavior of the family, though specific natural history details for this particular species remain poorly documented in available literature.
robber-fly asilidae predatory-fly
Laphystia martini
Laphystia martini is a species of robber fly (family Asilidae) described by Wilcox in 1960. Robber flies are predatory dipterans known for their aggressive hunting behavior and aerial capture of prey. The genus Laphystia is part of the diverse Asilidae family, which contains approximately 7,000 described species worldwide. Specific ecological and behavioral details for L. martini remain poorly documented in published literature.
Diptera Asilidae robber-fly predatory-fly Laphystia Wilcox-1960
Laphystia opaca
Laphystia opaca is a species of robber fly (family Asilidae) described by Coquillett in 1904. As a member of the Asilidae, it is a predatory fly that captures other insects in flight. The genus Laphystia belongs to the diverse assemblage of robber flies, though specific ecological details for this particular species remain poorly documented in available sources.
robber-fly Asilidae predatory-fly
Laphystia rubra
Laphystia rubra is a species of robber fly (family Asilidae) described by Hull in 1957. As a member of the subfamily Laphriinae, it belongs to a group of predatory flies known for their robust build and aggressive hunting behavior. The specific epithet "rubra" (Latin for "red") suggests reddish coloration, though detailed species-level descriptions are limited in available sources. Robber flies in this genus are typically associated with woodland and forest edge habitats where they perch and ambush flying insect prey.
robber-fly Asilidae Diptera predatory-fly Laphriinae
Laphystia sexfasciata
Laphystia sexfasciata is a species of robber fly in the family Asilidae, first described by Thomas Say in 1823. The genus Laphystia belongs to the diverse asilid fauna of North America. As with other robber flies, this species is a predatory insect that captures other arthropods in flight. The specific epithet 'sexfasciata' refers to six bands or fasciae, likely describing a pattern on the abdomen or thorax.
robber-fly asilidae predatory-fly north-american thomas-say
Laphystia sillersi
Laphystia sillersi is a species of robber fly (Diptera: Asilidae) described by Hull in 1963. The genus Laphystia comprises predatory flies distributed primarily in the Neotropical region. As with other Asilidae, this species is presumed to be an aerial predator of other insects. No specific biological studies of this species have been published.
robber-fly Neotropical predatory-fly rarely-collected
Laphystia texensis
Laphystia texensis is a species of robber fly (Asilidae) described by Curran in 1931. The specific epithet 'texensis' indicates a connection to Texas, likely referring to the type locality or primary distribution. As a member of the Asilidae family, it belongs to a group of predatory flies known for their agile flight and ambush hunting behavior. The genus Laphystia includes several North American species, though detailed biological studies for many remain limited.
robber-fly asilidae north-america texas predatory-fly
Laphystia tolandi
Laphystia tolandi is a species of robber fly in the family Asilidae, described by Wilcox in 1960. As a member of the genus Laphystia, it belongs to a group of predatory flies known for their aerial hunting behavior. The species is recognized in taxonomic databases but remains poorly documented in biological literature.
robber-fly predatory-fly rarely-observed
Laphystia torpida
Laphystia torpida is a species of robber fly in the family Asilidae, described by Hull in 1957. It belongs to the genus Laphystia, a group of predatory flies characterized by their robust build and hunting behavior. The species is part of the subfamily Laphriinae, which includes many medium to large-sized robber flies with distinctive morphological features. Very few specific details are documented for this particular species beyond its taxonomic placement.
robber-fly predatory-fly Laphriinae Hull-1957
Laphystia utahensis
Laphystia utahensis is a species of robber fly in the family Asilidae, described by Wilcox in 1960. The genus Laphystia belongs to the diverse asilid fauna of North America, with this species distinguished by its specific epithet referencing the state of Utah. Robber flies in this genus are predatory insects that capture other arthropods in flight.
Diptera Asilidae robber-fly predatory-fly North-America Utah endemic 1960-description Wilcox
Lasiopogon albidus
Lasiopogon albidus is a species of robber fly (Diptera: Asilidae) in the genus Lasiopogon, originally described by Cole & Wilcox in 1938. It belongs to the bivittatus section of the genus, a group of western Nearctic species. The species was redescribed in a 2021 taxonomic revision that included 13 new species descriptions and updated the phylogeny of the genus using molecular data. As with other robber flies, it is presumed to be a predatory insect, though specific biological details for this species remain poorly documented.
robber-fly Asilidae bivittatus-section western-Nearctic predatory-fly
Lasiopogon apache
Lasiopogon apache is a species of robber fly (family Asilidae) described by Cannings in 2002. The genus Lasiopogon comprises small to medium-sized predatory flies commonly found in open, sunny habitats. As a member of the Asilidae family, this species is an aerial predator that captures other insects in flight. Very little specific information has been published about this particular species beyond its taxonomic description.
robber-fly asilidae diptera predatory-fly
Lasiopogon arenicola
Lasiopogon arenicola is a Nearctic robber fly (Diptera: Asilidae) originally described by Osten Sacken in 1877. It belongs to the bivittatus section of the genus Lasiopogon, a group of predatory flies characterized by their robust build and distinctive facial mystax. The species was validated in a 2020 molecular phylogenetic revision that included it in a Bayesian species tree analysis based on mitochondrial COI and three nuclear protein-coding loci (AATS, PEPCK, Wg). As a member of the Asilidae family, it shares the group's characteristic predatory habits and sand-dwelling ecology implied by its species epithet 'arenicola' (sand-dweller).
robber-fly Asilidae bivittatus-section Nearctic predatory-fly sand-dwelling
Lasiopogon canningsi
Cannings' Sandpirate
Lasiopogon canningsi is a species of robber fly (Diptera: Asilidae) described in 2020 as part of a taxonomic revision of the bivittatus section of Nearctic Lasiopogon. The species is named in honor of entomologist Robert A. Cannings. As a member of the Asilidae family, it is a predatory fly, though specific ecological details remain undocumented in accessible literature.
Asilidae robber-fly Diptera Nearctic bivittatus-section predatory-fly
Lasiopogon chaetosus
Lasiopogon chaetosus is a species of robber fly (family Asilidae) described by Cole and Wilcox in 1938. The genus Lasiopogon comprises small to medium-sized predatory flies characterized by their bristly appearance and ground-perching hunting behavior. Species in this genus are typically found in open, sandy or rocky habitats. The specific epithet 'chaetosus' refers to the bristly or hairy condition of the body surface.
robber-fly asilid predatory-fly ground-perching western-North-America sand-habitat bristly
Lasiopogon coconino
Lasiopogon coconino is a species of robber fly in the family Asilidae, described by Cannings in 2002. The genus Lasiopogon comprises small to medium-sized predatory flies primarily distributed in western North America. Members of this genus are characterized by their bristly bodies and predatory habits, typically hunting other insects from perches on vegetation or ground surfaces.
Asilidae robber-fly Diptera predatory-fly western-North-America 2002-description
Lasiopogon delicatulus
Lasiopogon delicatulus is a species of robber fly (family Asilidae) described by Melander in 1923. It belongs to the genus Lasiopogon, a group of small, slender robber flies commonly known as 'bee killers' or 'hanging thieves' due to their habit of hanging from vegetation while waiting for prey. The species epithet 'delicatulus' suggests a delicate or small-bodied form relative to other members of the genus. As with most Lasiopogon species, detailed natural history information remains limited.
robber-fly Asilidae Laphriinae North-America predatory-fly Melander-1923
Lasiopogon esau
Lasiopogon esau is a species of robber fly (family Asilidae) described by McKnight in 2020. The species epithet honors Katherine Esau (1898-1997), a renowned Ukrainian-born plant biologist and UC Davis professor emeritus who received the National Medal of Science. As a member of the genus Lasiopogon, this species belongs to a group of predatory flies known for their bristly bodies and ambush hunting behavior.
robber-fly asilidae Katherine-Esau UC-Davis 2020-description predatory-fly
Lasiopogon gabrieli
Lasiopogon gabrieli is a species of robber fly (Diptera: Asilidae) in the bivittatus section, first described by Cole & Wilcox in 1938. It belongs to a genus of predatory flies found in western North America. The species was validated in a 2020 molecular phylogenetic revision of Nearctic Lasiopogon. Very few observations exist in public databases.
robber-fly Asilidae Diptera Nearctic bivittatus-section predatory-fly
Lasiopogon karli
Lasiopogon karli is a species of robber fly (Diptera: Asilidae) described by McKnight in 2020. It belongs to the cinereus group within the opaculus section of the genus Lasiopogon, distinguishing it from the bivittatus section that was the primary focus of the taxonomic revision in which it was described. As a member of the Asilidae family, it is presumed to share the general predatory habits characteristic of robber flies, though species-specific ecological data remain undocumented in available sources.
robber-fly Asilidae Diptera Nearctic new-species 2020 opaculus-section cinereus-group predatory-fly
Lasiopogon lavignei
Lasiopogon lavignei is a species of robber fly in the family Asilidae, described by Cannings in 2002. The genus Lasiopogon comprises small to medium-sized predatory flies commonly found in sandy or gravelly habitats near water. This species is part of the tribe Lasiopogonini, which is characterized by distinctive morphological features and habitat preferences.
robber-fly Asilidae predatory-fly riparian
Lasiopogon marshalli
A species of robber fly in the family Asilidae, described by Cannings in 2002. The genus Lasiopogon comprises small to medium-sized predatory flies commonly found in open habitats. L. marshalli is one of several species in this genus, with limited published biological information available.
Asilidae Diptera predatory-fly robber-fly
Lasiopogon monticola
Mountain Sandpirate
Lasiopogon monticola is a species of robber fly (family Asilidae) described by Melander in 1923. The species epithet 'monticola' (mountain-dwelling) suggests an association with montane habitats. As a member of the Asilidae, it is a predatory fly that captures other insects in flight. The genus Lasiopogon comprises species commonly known as sandpirates, typically associated with sandy or loose soil substrates.
Diptera Asilidae robber-fly predatory-fly montane sandpirate Melander-1923 Lasiopogon insect predator
Lasiopogon nelsoni
Lasiopogon nelsoni is a species of robber fly (family Asilidae) described by McKnight in 2020. It belongs to the genus Lasiopogon, a group of small to medium-sized predatory flies commonly found in North America. As with other asilids, this species is likely an aerial predator that captures other insects in flight. The species epithet honors an individual named Nelson, though the specific honoree is not documented in available sources.
Diptera Asilidae Lasiopogon robber-fly predatory-fly 2020-description McKnight
Lasiopogon opaculus
Lasiopogon opaculus is a species of robber fly in the family Asilidae, described by Loew in 1874. It belongs to the opaculus section of the genus Lasiopogon, a group of predatory flies found in western North America. The species is part of a taxonomically complex group that has undergone recent revision based on molecular phylogenetic data.
Asilidae robber-fly Nearctic western-North-America predatory-fly
Lasiopogon polensis
Lasiopogon polensis is a species of robber fly (Asilidae) described by Lavigne in 1969. It belongs to a genus of small to medium-sized predatory flies commonly found in sandy habitats. Very few observations of this species exist in public databases, suggesting it may be rare, locally distributed, or underreported.
Asilidae robber-fly Diptera predatory-fly sand-dwelling rarely-recorded Lavigne-1969 Poland
Lasiopogon shermani
Lasiopogon shermani is a species of robber fly in the family Asilidae, described by Cole and Wilcox in 1938. The genus Lasiopogon comprises small to medium-sized robber flies commonly found in sandy habitats. As with other Asilidae, this species is predatory, capturing other insects in flight. The species is documented from a limited number of observations, suggesting it may be uncommon or underrecorded.
robber-fly Asilidae sand-dwelling predatory-fly western-North-America
Lasiopogon terricola
Little Reddish Sandpirate
Lasiopogon terricola is a species of robber fly in the family Asilidae, commonly known as the Little Reddish Sandpirate. The species was originally described as Daulopogon terricola by Johnson in 1900. It belongs to the subfamily Laphriinae and tribe Lasiopogonini. As with other robber flies, it is a predatory insect that hunts other arthropods.
robber-fly asilid predatory-fly North-America
Lasiopogon testaceus
Lasiopogon testaceus is a species of robber fly (family Asilidae) described by Cole & Wilcox in 1938. Robber flies in this genus are predatory insects known for their aggressive hunting behavior and strong flying ability. The species epithet 'testaceus' refers to a brick-red or brownish coloration. As with other Asilidae, this species likely exhibits the family's characteristic predatory habits, though specific details about its biology remain poorly documented in available literature.
Asilidae robber-fly predatory-fly Diptera Lasiopogon Cole-&-Wilcox-1938
Lasiopogon tetragrammus
Great Lakes Sandpirate
Lasiopogon tetragrammus is a species of robber fly (Diptera: Asilidae) first described by Loew in 1874. The species was transferred from the bivittatus section to the tetragrammus group of the opaculus section in a 2020 molecular phylogenetic revision by Cannings. It is known by the common name Great Lakes Sandpirate, reflecting its geographic association with the Great Lakes region.
robber-fly asilidae lasiopogon tetragrammus-group opaculus-section great-lakes nearctic diptera predatory-fly sandpirate
Lasiopogon wilcoxi
Lasiopogon wilcoxi is a species of robber fly (family Asilidae) described by McKnight in 2020. It belongs to the bivittatus section of the genus Lasiopogon, a group of Nearctic predatory flies. The species was established as part of a comprehensive taxonomic revision and molecular phylogenetic study of western Nearctic Lasiopogon species. No specific ecological or behavioral data for this species has been published in the available literature.
robber-fly Asilidae Diptera predatory-fly bivittatus-section Nearctic western-North-America
Lasiopogon willametti
Willamette Sandpirate
Lasiopogon willametti is a species of robber fly (Diptera: Asilidae) described by Cole and Wilcox in 1938. It belongs to the bivittatus section of the genus Lasiopogon, a group of Nearctic species that has undergone recent taxonomic revision. The species is known by the common name Willamette Sandpirate. As a member of Asilidae, it is a predatory fly, though specific biological details remain poorly documented in accessible literature.
robber-fly Asilidae bivittatus-section Nearctic predatory-fly
Lasiopogon yukonensis
Lasiopogon yukonensis is a species of robber fly in the family Asilidae, described from the Yukon Territory in 1938. The genus Lasiopogon comprises small to medium-sized predatory flies characterized by a distinctive beard of long facial setae. This species is part of a genus primarily distributed across northern and montane regions of North America.
robber-fly Yukon North-America predatory-fly
Lasiopogon zonatus
Lasiopogon zonatus is a species of robber fly in the family Asilidae, described by Cole & Wilcox in 1938. It belongs to the genus Lasiopogon, a group of small to medium-sized predatory flies distributed across North America. Robber flies in this genus are typically associated with open, sandy or gravelly habitats near water. The species epithet "zonatus" refers to banded or zoned coloration patterns. Like other Asilidae, adults are aerial predators that capture other insects in flight using their spiny legs and piercing-sucking mouthparts.
robber-fly Asilidae Diptera predatory-fly Cole-&-Wilcox-1938 Lasiopogon zonatus
Leptogaster aegra
Leptogaster aegra is a species of robber fly in the family Asilidae, described by Martin in 1957. It is known from the eastern United States, occurring in regions east of the Rocky Mountains. As with other members of the genus Leptogaster, it is a predatory fly, though specific details of its biology remain poorly documented.
robber-fly predatory-fly Diptera Asilidae Leptogaster North-America United-States
Leptogaster arborcola
Leptogaster arborcola is a species of robber fly (family Asilidae) described by Martin in 1957. It belongs to the genus Leptogaster, a group of slender, elongate robber flies characterized by their distinctive body form and predatory habits. The specific epithet "arborcola" suggests an association with trees or arboreal habitats. As with other members of the Leptogastrinae, it is presumed to be an aerial predator of small insects.
Asilidae robber-fly Leptogaster Diptera predatory-fly arboreal
Leptogaster arida
Leptogaster arida is a species of robber fly (Asilidae) described by Cole in 1919. As a member of the genus Leptogaster, it belongs to a group of slender, elongate robber flies that are morphologically and behaviorally distinct from the more robust, heavily-built asilids. The species epithet "arida" suggests an association with dry or arid habitats. Very few observations of this species have been documented, with only four records in iNaturalist as of the available data.
robber-fly asilidae diptera predatory-fly rarely-documented
Leptogaster brevicornis
Leptogaster brevicornis is a species of robber fly in the family Asilidae, described by Loew in 1872. Robber flies are predatory dipterans known for their agile flight and aggressive hunting behavior. The genus Leptogaster comprises small, slender robber flies often found in grassy or brushy habitats. Specific ecological and behavioral details for this species remain poorly documented.
robber-fly asilidae diptera predatory-fly loew-1872
Leptogaster californica
Leptogaster californica is a species of robber fly in the family Asilidae, described by Martin in 1957. It belongs to the subfamily Leptogastrinae, a group of slender, elongate robber flies often found in grassy or weedy habitats. The species is endemic to California, as indicated by its specific epithet. Like other members of the genus Leptogaster, it is likely a predator of small arthropods, though specific ecological data for this species are limited.
robber-fly asilidae california-endemic diptera predatory-fly
Leptogaster carolinensis
Leptogaster carolinensis is a species of robber fly in the family Asilidae, described by Schiner in 1866. It belongs to the subfamily Leptogastrinae, a group characterized by slender, elongated bodies and distinctive predatory behaviors. The species epithet 'carolinensis' suggests a historical association with the Carolinas region of the eastern United States. As with other Leptogaster species, it is likely a small, delicate predator of other small arthropods.
robber-fly Asilidae Leptogastrinae Diptera predatory-fly
Leptogaster flavipes
Yellow-legged Pixie
Leptogaster flavipes is a small robber fly in the family Asilidae, commonly known as the Yellow-legged Pixie. The species is distinguished by its notably slender body form and pale yellow legs, traits that set it apart from the generally more robust build typical of most robber flies. As a member of the genus Leptogaster, it exhibits the characteristic delicate morphology associated with this group of aerial predators. The species was described by Loew in 1862.
robber-fly asilidae predatory-fly slender-body yellow-legs aerial-predator diptera
Leptogaster fornicata
Leptogaster fornicata is a species of robber fly (Diptera: Asilidae) described by Martin in 1957. It belongs to the subfamily Leptogastrinae, a group characterized by slender, elongate bodies and distinctive predatory habits. Like other members of the genus Leptogaster, this species is likely adapted to capturing small prey in grassy or herbaceous vegetation. The species appears to be rarely collected or reported, with no observations recorded in iNaturalist as of the available data.
robber-fly Asilidae Leptogastrinae predatory-fly grassland-insect
Leptogaster lanata
Leptogaster lanata is a species of robber fly (family Asilidae) described by Martin in 1957. It belongs to the subfamily Leptogasterinae, a group characterized by slender, elongate bodies and distinctive predatory behaviors. The species epithet 'lanata' (meaning 'woolly' in Latin) suggests a possible covering of dense setae. Like other members of the genus Leptogaster, it is likely a predator of small insects, though specific ecological details remain poorly documented due to limited collection records.
Asilidae robber-fly Leptogasterinae predatory-fly Diptera Martin-1957 data-deficient slender-body-form woolly-setae insect-predator
Leptogaster murina
Leptogaster murina is a species of robber fly in the family Asilidae, described by Hermann Loew in 1862. It belongs to the subfamily Leptogastrinae, a group characterized by slender, elongate bodies and distinctive predatory habits. The genus Leptogaster is known for its delicate, wasp-like appearance compared to more robust asilid genera. This species is part of a diverse lineage of aerial predators within the Diptera.
robber-fly Asilidae Leptogastrinae predatory-fly Diptera
Leptogaster obscuripes
Leptogaster obscuripes is a species of robber fly in the family Asilidae, described by Loew in 1862. It belongs to the genus Leptogaster, which comprises small, slender robber flies often found in grassy or brushy habitats. Members of this genus are characterized by their elongated, delicate bodies and relatively long legs compared to other asilids. The species epithet 'obscuripes' refers to the darkened legs.
robber-fly asilidae predatory-fly grassland-insect small-asilid
Leptogaster panda
Leptogaster panda is a species of robber fly in the family Asilidae, first described by Martin in 1957. The genus Leptogaster comprises small, slender robber flies characterized by elongated bodies and distinctive predatory habits. No observations of this species have been recorded in iNaturalist, suggesting it may be rarely encountered or underreported.
robber-fly Asilidae Diptera predatory-fly
Leptogaster patula
Leptogaster patula is a species of robber fly in the family Asilidae, described by Martin in 1957. It belongs to the genus Leptogaster, which comprises small, slender robber flies commonly known as 'gangling' flies due to their elongated bodies and long, thin legs. The species is part of the subfamily Leptogastrinae, a group distinguished by their distinctive morphology among Asilidae. Very limited information is available regarding the specific biology and ecology of this species.
robber-fly asilidae diptera leptogastrinae predatory-fly
Leptogaster schaefferi
Leptogaster schaefferi is a species of robber fly in the family Asilidae, subfamily Leptogastrinae. It was described by Back in 1909. Members of the genus Leptogaster are characterized by their slender, elongated bodies and are commonly known as 'thread-legged flies' due to their extremely long, thin legs. The species epithet 'schaefferi' honors an entomologist, following the common practice of the era.
Asilidae robber-fly thread-legged-fly Leptogastrinae predatory-fly
Leptopteromyia
Leptopteromyia is a genus of robber flies (family Asilidae) established by Williston in 1907. The genus contains seven described species distributed across the Americas, from the United States to South America. These predatory flies are part of the diverse Asilidae family, known for their aggressive hunting behavior. Species within this genus were described primarily by Hardy (1947) and Martin (1971).
robber-fly predatory-fly Diptera Asilidae
Leptopteromyia americana
Leptopteromyia americana is a species of robber fly in the family Asilidae, described by Hardy in 1947. As a member of the predatory Asilidae, it likely exhibits the characteristic hunting behavior of the family, though specific ecological details remain poorly documented. The species is known from 119 iNaturalist observations, indicating it has been encountered with some regularity by naturalists, though published research on its biology is sparse.
robber-fly Asilidae Diptera predatory-fly
Lestomyia
Lestomyia is a genus of robber flies (family Asilidae) in the subfamily Dasypogoninae, established by Williston in 1883. The genus contains approximately six described species distributed in North America. Members of this genus are predatory flies that hunt other insects in flight.
robber-fly predatory-fly aerial-predator North-American Dasypogoninae
Lestomyia atripes
Lestomyia atripes is a species of robber fly (family Asilidae) described by Wilcox in 1937. It belongs to the subfamily Dasypogoninae, a group of predatory flies known for their aerial hunting behavior. The specific epithet 'atripes' refers to black legs. Very little species-specific information is available in published literature.
robber-fly Dasypogoninae predatory-fly rarely-recorded
Lestomyia strigipes
Lestomyia strigipes is a species of robber fly in the family Asilidae, described by Curran in 1931. As a member of the subfamily Dasypogoninae, it belongs to a diverse group of predatory flies. The genus Lestomyia contains multiple species distributed across various regions. Like other asilids, this species is presumed to be an aerial predator, though specific biological details remain poorly documented.
asilidae robber-fly dasypogoninae predatory-fly curran-1931
Liancalus genualis
Liancalus genualis is a species of long-legged fly in the family Dolichopodidae, notable as the only member of its genus known from eastern North America. Like other dolichopodids, it is a predatory fly. The species was described by Loew in 1861.
Dolichopodidae Hydrophorinae predatory-fly eastern-North-America Nearctic disjunct-distribution
Liancalus querulus
Liancalus querulus is a species of long-legged fly in the family Dolichopodidae, first described by Osten Sacken in 1877. As a member of this large and diverse family, it shares the characteristic elongated legs and metallic coloration typical of dolichopodids. The genus Liancalus includes species associated with moist habitats, though specific details for L. querulus remain limited in available sources.
long-legged-fly Dolichopodidae Hydrophorinae aquatic-fly predatory-fly
Limnophora
Limnophora is a genus of muscid flies established by Robineau-Desvoidy in 1830, comprising approximately 230 species distributed worldwide. The genus is characterized by distinctive silver bands across the thorax and serves as the namesake for the tribe Limnophorini. Species occur in diverse habitats including riverine environments, karst formations such as tufa barriers, and high montane forests. The genus includes notable species such as Limnophora riparia, a documented predator of larval black flies, and L. marginata, which has been studied for genetic and morphometric variation across altitudinal gradients.
Muscidae Coenosiinae Limnophorini silver-thoracic-bands predatory-fly riverine-habitat karst-habitat Macaronesia China Ecuador
Machimus adustus
Machimus adustus is a species of robber fly described by Martin in 1975. As a member of the family Asilidae, it belongs to a group of predatory flies known for their aggressive hunting behavior. The species is classified within the subfamily Asilinae and tribe Machimini.
robber-fly predatory-fly Diptera Asilidae Machimus 1975-description
Machimus erythocnemius
White-spined Bladetail
Machimus erythocnemius is a species of robber fly (family Asilidae) first described by Hine in 1909. It is one of approximately 180 species in the genus Machimus, which is distributed across the Holarctic region. The common name "White-spined Bladetail" refers to distinctive morphological features. Like other robber flies, it is presumed to be an active aerial predator.
Asilidae robber-fly predatory-fly Machimus North-America
Machimus virginicus
Machimus virginicus is a species of robber fly in the family Asilidae. The species was described by Banks in 1920. As a member of the Machimus genus, it belongs to a group of predatory flies known for their active hunting behavior. Very little specific information has been published about this particular species.
Asilidae robber-fly Diptera predatory-fly Machimus
Medetera aberrans
Medetera aberrans is a species of long-legged fly in the family Dolichopodidae, described by Wheeler in 1899. It occurs in eastern North America, where adults are frequently encountered in wet grasslands and marshes. The species exhibits metallic green coloration with yellow legs, characteristic of many dolichopodids. It belongs to the aberrans species group within Medetera, a group that has alternatively been treated as the separate genus Saccopheronta.
Dolichopodidae long-legged-fly metallic-green wet-grassland marsh eastern-North-America predatory-fly
Megaphorus
Megaphorus is a genus of robber flies (family Asilidae) containing approximately 18 described species. These predatory dipterans are found in western North America, particularly in arid and semi-arid regions. Adults are typically observed perching on vegetation, where they ambush flying insect prey. The genus was established by Bigot in 1857 and is classified within the tribe Apocleini of the subfamily Asilinae.
Asilidae robber-fly predatory-fly western-North-America arid-habitat rabbitbrush-association
Megaphorus acrus
Hairy Robber Fly
Megaphorus acrus is a species of robber fly in the family Asilidae, first described by Curran in 1931. It belongs to a genus characterized by large, hairy-bodied predatory flies. The species is part of the diverse Asilidae family, whose members are known for their aggressive hunting behavior and distinctive physical appearance. Like other robber flies, M. acrus is presumed to be an aerial predator of other insects.
robber-fly Asilidae predatory-fly western-North-America
Megaphorus flavidus
Megaphorus flavidus is a species of robber fly (Diptera: Asilidae) in the tribe Apocleini. It was described by Cole in 1964 and is currently accepted as a valid species. The genus Megaphorus comprises medium to large predatory flies known for their powerful flight and ambush hunting behavior. Information specific to this species is limited in the provided sources.
Diptera Asilidae robber-fly predatory-fly Apocleini Megaphorus flavidus Cole-1964 insect arthropod entomology
Megaphorus frustrus
Megaphorus frustrus is a species of robber fly in the family Asilidae, first described by Pritchard in 1935 under the basionym Mallophorina frustra. The genus Megaphorus belongs to the tribe Apocleini within the subfamily Asilinae. Robber flies in this genus are large, powerful predators known for their robust build and predatory habits. Information specifically documenting M. frustrus is sparse in the provided sources, though the genus is known from western North American arid and semi-arid habitats.
robber-fly Asilidae predatory-fly western-North-America Diptera Brachycera
Megaphorus laphroides
Megaphorus laphroides is a species of robber fly (family Asilidae) described by Wiedemann in 1828. It belongs to the tribe Apocleini within the subfamily Asilinae. The genus Megaphorus contains species of medium to large predatory flies that hunt other insects. Like other robber flies, M. laphroides likely exhibits the characteristic predatory behavior of ambushing prey in flight using its strong legs and piercing mouthparts.
Asilidae robber-fly predatory-fly Diptera Apocleini Nearctic
Megaphorus pallidus
Megaphorus pallidus is a species of robber fly in the family Asilidae, first described by Johnson in 1958. The genus Megaphorus belongs to the subfamily Asilinae and tribe Apocleini. Robber flies in this genus are characterized by their predatory behavior and robust body form. Limited information is available regarding the specific biology and ecology of this particular species.
Asilidae robber-fly Diptera predatory-fly Apocleini Asilinae
Megaphorus prudens
Megaphorus prudens is a species of robber fly in the family Asilidae, originally described by Pritchard in 1935. Robber flies in the genus Megaphorus are generally large, predatory insects known for their robust build and powerful flight. The species is poorly documented in the primary literature, with minimal published information regarding its biology, distribution, or distinguishing characteristics.
robber-fly Asilidae predatory-fly Megaphorus Diptera Brachycera
Metadioctria rubida
Metadioctria rubida is a species of robber fly (family Asilidae) described by Coquillett in 1893. Robber flies in this genus are predatory insects that capture other arthropods in flight. The species name 'rubida' (Latin for 'reddish') may refer to coloration, though specific diagnostic features distinguishing this species from congeners are not well documented in available sources.
Asilidae Diptera predatory-fly robber-fly
Metapogon
Metapogon is a genus of robber flies (family Asilidae) in the subfamily Brachyrhopalinae. The genus contains approximately 13 described species. Members of this genus are predatory flies that capture other insects in flight. As with other Asilidae, they are characterized by their robust bodies, large eyes, and predatory behavior.
robber-fly predatory-fly Brachyrhopalinae North-America
Metapogon gibber
Metapogon gibber is a species of robber fly in the family Asilidae, described by Williston in 1883. It belongs to the subfamily Brachyrhopalinae, a group characterized by reduced wing venation and generally small to medium body size. As with other asilids, it is presumed to be a predatory species, though specific ecological details remain poorly documented. The genus Metapogon contains multiple species distributed primarily in North America.
robber-fly Asilidae Brachyrhopalinae predatory-fly North-American-fauna
Metatrichia bulbosa
window fly
Metatrichia bulbosa is a species of window fly in the family Scenopinidae, originally described as Scenopinus bulbosa by Osten Sacken in 1877. Window flies (Scenopinidae) are a small family of predatory flies known for their distinctive wing venation with reduced crossveins, creating a 'window-like' appearance. The genus Metatrichia is part of the tribe Metatrichiini within the subfamily Scenopininae. Records of this species are sparse, with confirmed observations from Brazil (Piauí).
Diptera Scenopinidae window-fly predatory-fly Neotropical
Microstylum galactodes
Giant Gray Robber Fly
Microstylum galactodes is a large robber fly in the family Asilidae, native to the southcentral and southwestern United States. It is one of two North American species in the genus Microstylum, distinguished from the larger M. morosum by its milky white wing membranes, reddish-brown body coloration, and even whitish pruinescence covering the head and thoracic dorsum. The species is primarily associated with short grass prairies and scrub lands, showing a more western distribution than its congener. It was described by Loew in 1866.
robber-fly asilidae predatory-fly prairie-insect
Myelaphus
Myelaphus is a genus of robber flies in the family Asilidae, established by Bigot in 1882. The genus contains approximately six described species distributed primarily in Asia. Members of this genus are predatory dipterans that hunt other insects in flight.
robber-fly predatory-fly Asilidae Diptera poorly-known-genus Asian-fauna North-American-fauna
Myelaphus melas
Myelaphus melas is a species of robber fly in the family Asilidae, described by Bigot in 1882. Robber flies in this family are predatory insects known for their aerial hunting abilities. The genus Myelaphus is part of the diverse asilid fauna of North America.
robber-fly Asilidae Diptera predatory-fly
Nannocyrtopogon
Nannocyrtopogon is a genus of robber flies (family Asilidae) comprising at least 20 described species. Members of this genus are aerial predators that capture other insects in flight. The genus was established by Wilcox and Martin in 1936 and is classified within the subfamily Brachyrhopalinae and tribe Ceraturgini. These flies are found in the Nearctic and Neotropical regions.
robber-fly asilidae predatory-fly aerial-predator nearctic neotropical desert-fauna sit-and-wait-predator
Nannocyrtopogon atripes
Nannocyrtopogon atripes is a species of robber fly described by Wilcox & Martin in 1936. It belongs to the family Asilidae, a group of predatory flies known for their aggressive hunting behavior. The species is placed in the subfamily Brachyrhopalinae and tribe Ceraturgini. Specific biological details for this species remain poorly documented in published literature.
robber-fly predatory-fly Diptera Asilidae Ceraturgini Brachyrhopalinae
Nannocyrtopogon irvinei
Nannocyrtopogon irvinei is a species of robber fly (Asilidae) described by Wilcox & Martin in 1957. It belongs to the tribe Ceraturgini within the subfamily Brachyrhopalinae. As with other members of its family, it is presumed to be an aerial predator of other insects, though specific biological details remain poorly documented.
robber-fly Asilidae Diptera predatory-fly
Nannocyrtopogon vanduzeei
Nannocyrtopogon vanduzeei is a species of robber fly in the family Asilidae, described by Wilcox and Martin in 1936. It belongs to the subfamily Brachyrhopalinae and tribe Ceraturgini. Like other robber flies, this species is predatory, though specific behavioral and ecological details remain poorly documented in published literature.
Asilidae robber-fly Diptera predatory-fly Brachyrhopalinae Ceraturgini Nannocyrtopogon vanduzeei Wilcox-&-Martin-1936 insect entomology
Nannodioctria seminole
A small robber fly in the subfamily Dioctriinae. Members of this genus are among the smallest asilids, typically measuring under 10 mm in length. The specific epithet 'seminole' suggests a connection to Florida or southeastern North America, where the Seminole people historically resided. The genus Nannodioctria contains diminutive predatory flies that hunt in vegetation.
Dioctriinae robber-fly small-asilid predatory-fly
Neomochtherus californicus
Neomochtherus californicus is a species of robber fly (family Asilidae) described by Hine in 1909. The species belongs to the tribe Neomochtherini within the subfamily Asilinae. Robber flies in this genus are predatory insects known for their agile flight and ambush hunting behavior. The specific epithet "californicus" indicates the species was originally described from California.
robber-fly Asilidae predatory-fly California-endemic
Neomochtherus comosus
Neomochtherus comosus is a species of robber fly in the family Asilidae, first described by Hine in 1918. It belongs to the tribe Neomochtherini within the subfamily Asilinae. Like other robber flies, it is a predatory insect. Very few observations of this species have been recorded.
Asilidae robber-fly predatory-fly Diptera
Neomochtherus piceus
Neomochtherus piceus is a species of robber fly (Diptera: Asilidae) described by Hine in 1909. It belongs to the tribe Neomochtherini within the subfamily Asilinae. The genus Neomochtherus comprises predatory flies found in grassland habitats. Based on iNaturalist records, this species has been documented in at least 28 observations, indicating it is not exceptionally rare but remains poorly studied in the scientific literature.
Asilidae robber-fly grassland predatory-fly Neomochtherini Diptera
Neurigona aestiva
Neurigona aestiva is a species of long-legged fly in the family Dolichopodidae. It was described by Van Duzee in 1913. Very few observations of this species exist in public databases, with only four records documented on iNaturalist. The genus Neurigona belongs to a diverse family of predatory flies characterized by their elongated legs and metallic coloration.
Diptera Dolichopodidae long-legged-fly predatory-fly
Nevadasilus
Nevadasilus is a genus of robber flies (family Asilidae) established by Artigas & Papavero in 1995. The genus is recognized within the diverse Asilidae family, which comprises predatory flies known for their aerial hunting behavior. Records indicate the genus contains species distributed in western North America, particularly associated with arid and semi-arid regions. The genus name reflects its documented occurrence in Nevada and surrounding areas.
robber-fly Asilidae predatory-fly western-North-America Great-Basin aridland-insect
Nicocles canadensis
Nicocles canadensis is a species of robber fly in the family Asilidae, described by Charles Howard Curran in 1923. As a member of the subfamily Brachyrhopalinae, it belongs to a group of relatively small, slender robber flies. The genus Nicocles contains several North American species, with N. canadensis representing one of the documented members of this genus. Like other asilids, it is presumed to be a predatory insect, though specific behavioral and ecological details remain poorly documented in published literature.
robber-fly Diptera Asilidae Brachyrhopalinae predatory-fly North-America Canada
Nicocles dives
Nicocles dives is a species of robber fly (family Asilidae) first described by Hermann Loew in 1866. It belongs to the subfamily Brachyrhopalinae, a group of predatory flies characterized by their stout bodies and aggressive hunting behavior. The species is part of the diverse genus Nicocles, which contains multiple species distributed across various regions. As with other robber flies, N. dives is presumed to be an aerial predator of other insects, though specific behavioral observations remain limited in the available literature.
robber-fly Diptera Asilidae predatory-fly Brachyrhopalinae insect-predator
Nicocles engelhardti
Nicocles engelhardti is a species of robber fly (family Asilidae) described by Wilcox in 1946. It belongs to the subfamily Brachyrhopalinae, a group characterized by relatively short antennae and modified leg structures. Like other asilids, it is presumed to be an active aerial predator. The species is known from very few records, with limited documentation of its biology and ecology.
robber-fly asilidae brachyrhopalinae predatory-fly rare-species 1946-description
Nicocles pictus
Nicocles pictus is a species of robber fly in the family Asilidae, first described by Loew in 1866. It belongs to the subfamily Brachyrhopalinae and the genus Nicocles. The species is part of a diverse group of predatory flies known for their aggressive hunting behavior. As with other Asilidae, it is presumed to be an active aerial predator of other insects.
robber-fly Asilidae Brachyrhopalinae predatory-fly Diptera
Nicocles politus
Nicocles politus is a species of robber fly in the family Asilidae, originally described by Thomas Say in 1823 as Dasypogon politus. It belongs to the subfamily Brachyrhopalinae. The genus Nicocles is a small group within the diverse robber fly family, which comprises predatory flies known for their aggressive hunting behavior. Very little species-specific information has been published about N. politus.
robber-fly Asilidae Diptera predatory-fly
Nicocles rufus
Nicocles rufus is a species of robber fly in the family Asilidae, first described by Williston in 1883. The species belongs to the subfamily Brachyrhopalinae and is placed in the genus Nicocles. As with other robber flies, it is a predatory insect. Available information about this species is limited, with only four observations documented on iNaturalist.
robber-fly Asilidae predatory-fly Brachyrhopalinae
Ommatius baboquivari
Ommatius baboquivari is a species of robber fly in the family Asilidae, described by Wilcox in 1936. As a member of the genus Ommatius, it belongs to one of the most diverse genera within this large family of predatory flies. Robber flies in this genus share the characteristic predatory lifestyle of Asilidae, hunting other insects as adults. The species epithet references Baboquivari, likely indicating a type locality or geographic association with the Baboquivari Mountains or region in the southwestern United States.
robber-fly assassin-fly predatory-fly Diptera Asilidae Ommatius North-America 1936-description
Ommatius ouachitensis
robber fly, assassin fly
Ommatius ouachitensis is a species of robber fly (family Asilidae) described by Bullington & Lavigne in 1984. As with other members of this large predatory fly family, it likely exhibits the characteristic hunting behavior of intercepting insect prey in flight. The specific epithet "ouachitensis" suggests an association with the Ouachita Mountains or Ouachita River region of North America. Like other Ommatius species, it probably perches on vegetation in sunny locations to hunt.
Asilidae robber-fly predatory-fly Diptera North-America Ouachita
Ommatius tibialis
Northeastern Plumetop
Ommatius tibialis is a species of robber fly in the family Asilidae, commonly known as the Northeastern Plumetop. The species was described by Thomas Say in 1823. As a member of the Asilidae, it is a predatory fly with venomous mouthparts used to subdue prey. The genus Ommatius is one of the largest genera within the family, with species distributed across multiple continents.
robber-fly assassin-fly predatory-fly Northeastern-Plumetop
Ommatius wilcoxi
robber fly, assassin fly
Ommatius wilcoxi is a species of robber fly (family Asilidae) described by Bullington & Lavigne in 1984. The genus Ommatius is one of the most diverse genera within Asilidae, with species distributed across multiple continents. Like other assassin flies, O. wilcoxi is predatory in both larval and adult stages. The species is part of a family containing over 7,500 described species worldwide, though many remain poorly known.
Asilidae robber-fly assassin-fly predatory-fly Diptera
Opomydas townsendi
Opomydas townsendi is a species of mydas fly (family Mydidae), a group of large, predatory flies known for their elongated bodies and distinctive wing venation. The species was originally described as Ectyphus townsendi by Williston in 1898 and later transferred to the genus Opomydas. It is endemic to New Mexico, where it inhabits arid and semi-arid environments. Like other mydas flies, adults are likely predatory or nectar-feeding, though specific behavioral details remain poorly documented.
endemic New-Mexico Mydidae asilomorph predatory-fly
Orthogonis stygia
Orthogonis stygia is a species of robber fly in the family Asilidae, described by Bromley in 1931. The specific epithet 'stygia' references the underworld or darkness, suggesting possible associations with dim habitats or the predatory nature of these flies. Robber flies are predatory insects known for their aggressive hunting behavior and are important components of terrestrial arthropod communities. The genus Orthogonis is part of the diverse Asilidae family, which contains over 7,000 described species worldwide.
robber-fly asilidae predatory-fly diptera
Ospriocerus
robber flies
Ospriocerus is a genus of robber flies (family Asilidae) containing approximately 17 described species. These large, predatory flies are primarily associated with grassland and prairie habitats across western North America. Several species exhibit mimetic coloration resembling spider wasps (Pompilidae), with black bodies and red or orange abdominal markings. The genus has been documented as far north as Canada and south into Mexico. Species such as O. abdominalis represent significant range extensions when found in eastern localities, highlighting the importance of remnant prairie conservation.
robber-fly prairie grassland mimicry conservation range-extension new-state-record Missouri Loess-Hills Great-Plains wasp-mimic Asilidae Diptera predatory-fly endangered-habitat hypsithermal-relict
Ospriocerus brevis
Ospriocerus brevis is a species of robber fly in the family Asilidae, described by Martin in 1968. The species is currently recognized as a synonym of Stenopogon brevis in some taxonomic databases. Robber flies in the genus Ospriocerus are large, predatory flies associated with grassland habitats in western North America.
robber-fly Asilidae synonym Stenopogon western-North-America grassland predatory-fly Martin-1968
Ospriocerus latipennis
Ospriocerus latipennis is a robber fly species in the family Asilidae, one of three Ospriocerus species recorded in Canada. It inhabits grassland habitats on the Great Plains. The species has been documented in association with the beetle family Meloidae, though the nature of this relationship requires further investigation. As with other robber flies, adults are presumed to be predatory.
Asilidae robber-fly Great-Plains grassland prairie Meloidae-association predatory-fly
Ospriocerus longulus
Ospriocerus longulus is a species of robber fly in the family Asilidae. It belongs to the subfamily Dasypogoninae. The species was originally described by Loew in 1866 under the name Stenopogon longulus. Robber flies in this genus are predatory insects that capture other flying insects in flight. The genus Ospriocerus contains species distributed across western North America, with some species representing significant range extensions when found in relictual prairie habitats.
Asilidae robber-fly Dasypogoninae predatory-fly western-North-America
Ospriocerus minos
Ospriocerus minos is a species of robber fly in the family Asilidae, originally described by Osten Sacken in 1877. The species has been treated as a synonym of Stenopogon minos in some taxonomic databases, indicating ongoing taxonomic uncertainty. As a member of the subfamily Stenopogoninae, it belongs to a group of predatory flies characterized by their streamlined bodies and predatory habits. Very few observations of this species have been documented, with only a single iNaturalist record noted.
robber-fly Asilidae Stenopogoninae predatory-fly data-deficient taxonomic-uncertainty western-North-America
Ospriocerus tenebrosus
Dark robber fly
Ospriocerus tenebrosus is a species of robber fly in the family Asilidae. The species was originally described by Coquillett in 1904 under the genus Stenopogon and later transferred to Ospriocerus. It is currently recognized as a synonym of Stenopogon tenebrosus in some taxonomic databases, reflecting ongoing taxonomic uncertainty or reclassification within the Stenopogoninae subfamily. As a member of the robber flies, it belongs to a predatory group of dipterans known for their aerial hunting behavior and distinctive morphology.
Diptera Asilidae robber-fly predatory-fly synonym Stenopogon North-America taxonomic-uncertainty
Ospriocerus tequilae
Ospriocerus tequilae is a species of robber fly in the family Asilidae, described by Martin in 1968. The genus Ospriocerus contains large, wasp-mimicking robber flies found in grassland habitats of western North America. The specific epithet 'tequilae' presumably refers to the type locality in Mexico. The species is currently treated as a synonym of Stenopogon tequilae in some taxonomic databases, reflecting ongoing taxonomic uncertainty in the classification of this group.
robber-fly Asilidae Stenopogoninae wasp-mimic grassland western-North-America Mexico synonym Stenopogon predatory-fly Diptera
Ozodiceromyia nanella
Ozodiceromyia nanella is a species of stiletto fly (Diptera: Therevidae) described by Cole in 1960. The genus Ozodiceromyia belongs to the cycloteline Therevinae, a group of therevid flies characterized by distinctive morphological features. The species name "nanella" suggests small size, consistent with the generally diminutive nature of many Ozodiceromyia species. As a member of the Therevidae family, this species is part of a diverse group of predatory flies whose larvae typically inhabit soil or decaying organic matter.
Diptera Therevidae Ozodiceromyia stiletto-fly cycloteline-Therevinae predatory-fly soil-dwelling-larvae
Parataracticus
Parataracticus is a genus of robber flies (family Asilidae) established by Cole in 1924. The genus contains seven described species distributed in North America, with most species described by Martin and Wilcox in the mid-20th century. As members of the Asilidae family, species in this genus are predatory flies that capture prey in flight.
Asilidae robber-fly predatory-fly North-America Diptera
Pelastoneurus vagans
Pelastoneurus vagans is a species of long-legged fly (family Dolichopodidae) first described by Loew in 1861. As a member of the subfamily Dolichopodinae, it shares the characteristic elongated legs and slender body typical of this diverse family of predatory flies. The species is documented in entomological collections and databases, with 173 observations recorded on iNaturalist.
Diptera Dolichopodidae long-legged-fly predatory-fly
Platypalpus discifer
hybotid dance fly
Platypalpus discifer is a species of hybotid dance fly first described by Loew in 1863. As a member of the family Hybotidae, it belongs to a group of small predatory flies formerly classified within Empididae. The genus Platypalpus is characterized by distinctive morphological features including a small spherical head relative to body size. Like other hybotids, this species is predatory as an adult and is associated with specific microhabitats for feeding.
Hybotidae Diptera predatory-fly dance-fly North-America
Platypalpus flammifer
dance fly
Platypalpus flammifer is a species of hybotid dance fly described by Melander in 1924. Like other members of the family Hybotidae, it is a small predatory fly. The genus Platypalpus is part of the subfamily Tachydromiinae within Hybotidae. Very few specific observations of this species have been documented.
Diptera Hybotidae dance-fly predatory-fly United-States
Platypalpus holosericus
Platypalpus holosericus is a small predatory fly in the family Hybotidae, commonly known as hybotid dance flies. The species was described by Melander in 1924. Like other members of the genus Platypalpus, it likely occupies specific feeding niches and exhibits the characteristic predatory behavior of the family. Adults are known to seize prey with modified front legs and use extraoral digestion.
dance-fly hybotid predatory-fly North-America small-fly Diptera Hybotidae Platypalpus Melander-1924 United-States Canada
Platypalpus mesogrammus
hybotid dance fly
Platypalpus mesogrammus is a small predatory fly in the family Hybotidae, commonly known as hybotid dance flies. Like other members of its genus, it is characterized by a diminutive spherical head and enlarged compound eyes that dominate the visual profile. The species was described by Loew in 1863 and is one of many poorly studied dance flies with limited documented natural history.
Hybotidae Diptera dance-fly predatory-fly Platypalpus
Plesiomma unicolor
Plesiomma unicolor is a species of robber fly in the family Asilidae, first described by Loew in 1866. As a member of this predatory family, it likely exhibits the characteristic hunting behavior typical of asilid flies. The species epithet "unicolor" suggests uniform coloration. Available records indicate it is a rarely observed species with limited documentation.
robber-fly asilidae diptera predatory-fly
Pogonosoma dorsatum
Eastern Black Chiselmouth
Pogonosoma dorsatum is a species of robber fly (family Asilidae) commonly known as the Eastern Black Chiselmouth. The species was originally described as Laphria dorsata by Thomas Say in 1824 before being transferred to the genus Pogonosoma. As a member of the Asilidae, it belongs to a family of predatory flies known for aggressive hunting behavior.
robber-fly predatory-fly Asilidae Diptera insect Eastern-Black-Chiselmouth
Polacantha
Polacantha is a genus of robber flies (Asilidae) established by Martin in 1975. The genus contains approximately 10 described species distributed primarily in the Americas. Species in this genus are predatory flies that hunt other insects in flight. Most species were described by Martin in his 1975 revision of the genus.
robber-fly asilidae predatory-fly diptera martin-1975 new-world
Polacantha arcuata
Polacantha arcuata is a species of robber fly in the family Asilidae, described by Martin in 1975. The species belongs to a genus of predatory flies known for their robust morphology and aerial hunting behavior. Very few documented observations of this species exist in public databases.
Asilidae robber-fly Diptera predatory-fly
Polacantha composita
Polacantha composita is a species of robber fly in the family Asilidae, originally described as Asilus compositus by Hine in 1918. Robber flies are predatory dipterans known for their agile flight and aggressive hunting behavior. The genus Polacantha is part of this diverse family of aerial predators.
robber-fly Asilidae Diptera predatory-fly
Polacantha grossa
Polacantha grossa is a species of robber fly in the family Asilidae, first described by Martin in 1975. The species belongs to the subfamily Asilinae and tribe Asilini. As with other robber flies, it is a predatory insect that captures prey in flight. The genus Polacantha is part of the diverse asilid fauna, though specific details about this particular species remain limited in published literature.
robber-fly Asilidae predatory-fly Diptera
Pritchardomyia
Pritchardomyia is a genus of robber flies in the family Asilidae, established by Wilcox in 1965. The genus contains at least one described species, Pritchardomyia vespoides. As members of Asilidae, species in this genus are predatory flies. The genus is relatively poorly documented in scientific literature.
robber-fly Asilidae predatory-fly Diptera genus
Proctacanthella exquisita
Proctacanthella exquisita is a species of robber fly in the family Asilidae, first described by Osten Sacken in 1887. As a member of the genus Proctacanthella, it belongs to a group of predatory flies known for their active hunting behavior. The specific epithet "exquisita" suggests distinctive or refined characteristics, though detailed species-level documentation remains limited.
robber-fly predatory-fly Asilidae Diptera Proctacanthella
Proctacanthus brevipennis
Proctacanthus brevipennis is a species of robber fly in the family Asilidae, characterized by the genus name meaning 'spiny butt' in reference to abdominal features. The specific epithet 'brevipennis' refers to short wings. Like other members of Proctacanthus, it is presumed to be a large, predatory fly with a prominent mystax (beard).
robber-fly Asilidae predatory-fly
Proctacanthus hinei
Western Red-tailed Marauder
Proctacanthus hinei is a species of robber fly (family Asilidae) known as the Western Red-tailed Marauder. It belongs to a genus of large, predatory flies characterized by prominent beards and aggressive hunting behavior. The species is distinguished from congeners by reddish femora and occurrence in the central United States. Like other Proctacanthus species, it preys primarily on other insects and has a life cycle involving soil-dwelling larvae.
robber-fly asilidae predatory-fly diptera central-united-states insect-predator
Proctacanthus micans
Proctacanthus micans is a species of robber fly in the family Asilidae. It belongs to a genus of large, predatory flies characterized by prominent facial beards and spiny abdomens. The genus name translates to 'spiny butt' in reference to this abdominal armature. Like other Proctacanthus species, it is presumed to be an active predator of other insects and to have a life cycle involving soil-dwelling larvae.
robber-fly asilid predatory-fly Diptera
Proctacanthus nigriventris
Proctacanthus nigriventris is a species of robber fly in the family Asilidae. Like other members of the genus Proctacanthus, it is a large, predatory fly. The genus name derives from Greek, referring to the spiny appearance of the abdomen. Species in this genus are known for their aggressive predatory behavior and soil-associated life cycle.
robber-fly Asilidae predatory-fly Diptera
Proctacanthus rodecki
Proctacanthus rodecki is a species of robber fly (family Asilidae) described by James in 1933. It belongs to a genus of large, predatory flies known for their robust build and prominent facial beard. Like other members of Proctacanthus, this species is presumed to be a formidable aerial predator. The genus name translates to "spiny butt," referring to a characteristic abdominal feature.
robber-fly asilidae diptera predatory-fly insect
Prolatiforceps fulviventris
Prolatiforceps fulviventris is a species of robber fly in the family Asilidae, originally described as Asilus fulviventris by Schäffer in 1916. The species was later transferred to the genus Prolatiforceps. Robber flies in this genus are predatory insects characterized by their robust build, strong flying ability, and raptorial legs adapted for capturing prey in flight. As a member of the subfamily Asilinae, it belongs to one of the most diverse groups of robber flies.
robber-fly predatory-fly Asilidae Diptera insect
Promachella pilosa
Promachella pilosa is a species of robber fly in the family Asilidae, described by Wilcox in 1937. The genus Promachella is a small group within the diverse Asilidae, with limited published information on its biology and ecology. As with other robber flies, this species is presumed to be a predatory insect, though specific behavioral and ecological details remain undocumented in available sources.
Asilidae robber-fly Diptera predatory-fly
Promachus atrox
robber fly
Promachus atrox is a species of robber fly in the family Asilidae, described by Bromley in 1940. Like other members of the genus Promachus, it belongs to the group commonly known as "giant robber flies." The species is part of a diverse genus of predatory flies known for their aggressive hunting behavior and large size relative to other asilids. Specific details about its biology and distribution remain limited in published sources.
robber-fly predatory-fly asilid diptera
Promachus fitchii
Promachus fitchii is a robber fly (family Asilidae) described by Osten Sacken in 1878. Like other members of the genus Promachus, it is a predatory dipteran. The species is part of the Apocleini tribe within the Asilinae subfamily. Documentation for this species is limited, with 37 observations recorded on iNaturalist.
Asilidae robber-fly predatory-fly
Promachus painteri
Promachus painteri is a species of robber fly in the family Asilidae, described by Bromley in 1934. It belongs to the genus Promachus, commonly known as "giant robber flies," which are conspicuous aerial predators. The species is part of the diverse Asilidae family, whose members are known for their predatory behavior on other insects. Specific details about P. painteri's biology and distribution remain limited in published sources.
robber-fly asilid predatory-fly aerial-predator Diptera insect
Pseudorus
Pseudorus is a genus of robber flies (Asilidae) established by Walker in 1851. Members of this genus belong to the tribe Megapodini within the subfamily Dasypogoninae. The genus is characterized by large-bodied flies with notably enlarged hind femora, a trait reflected in its tribal affiliation. As with other Asilidae, species in this genus are predatory as adults.
robber-fly Asilidae predatory-fly Megapodini Dasypogoninae
Psilocurus birdi
Psilocurus birdi is a species of robber fly (family Asilidae) described by Curran in 1931. As a member of this predatory fly family, it likely exhibits the characteristic hunting behavior of asilids, though specific biological details for this species remain poorly documented. The genus Psilocurus contains relatively small, slender robber flies compared to some of their more robust relatives.
robber-fly asilid predatory-fly Psilocurus Curran-1931
Psilonyx
Psilonyx is a genus of robber flies in the family Asilidae, established by Aldrich in 1923. The genus contains approximately 14 described species. As members of Asilidae, species in this genus are predatory flies, though specific biological details for most Psilonyx species remain poorly documented.
robber-fly Asilidae Diptera predatory-fly arthropod-predator
Rachicerus fulvicollis
Rachicerus fulvicollis is a species of fly in the family Xylophagidae, a small group of brachyceran flies commonly known as awl-flies. The species is found in the United States. Members of Xylophagidae are generally associated with wooded habitats and are predatory as larvae.
Xylophagidae awl-fly Diptera United-States predatory-fly wooded-habitats
Rhadiurgus
Rhadiurgus is a genus of robber flies (Asilidae) established by Loew in 1849. The genus contains at least one confirmed species, Rhadiurgus variabilis, which occurs in the Holarctic region. Members of this genus are predatory dipterans that hunt other insects in flight.
Asilidae robber-fly Diptera predatory-fly Holarctic
Rhagio albicornis
Rhagio albicornis is a species of snipe fly in the family Rhagionidae, native to the eastern Nearctic region. First described by Say in 1823, the species was taxonomically revised by Chillcott in 1965, who synonymized Rhagio boscii and Xylophagus fasciatus with this species. It belongs to a genus of predatory flies whose larvae develop in soil or decaying organic matter. The species is part of a diverse eastern Nearctic fauna that includes several recently described species such as R. dichromaticus, R. floridensis, and R. orestes.
snipe-fly Rhagionidae Nearctic Diptera predatory-fly
Rhamphomyia sudigeronis
Rhamphomyia sudigeronis is a species of dance fly in the family Empididae, first described by Coquillett in 1895. As a member of the genus Rhamphomyia, it belongs to a group of predatory flies known for elaborate courtship behaviors involving nuptial gifts. The species is currently accepted in taxonomic databases, though detailed biological information specific to this species remains limited.
dance-fly Empididae Diptera predatory-fly nuptial-gift-behavior 1895-description Coquillett
Rhaphium melampus
Rhaphium melampus is a species of long-legged fly in the family Dolichopodidae, subfamily Rhaphiinae. The species was described by Hermann Loew in 1861. Like other members of the genus Rhaphium, it belongs to a group of predatory flies characterized by their elongated legs. The species has been documented in iNaturalist with 65 observations, suggesting it is not extremely rare, though detailed biological studies appear limited.
insect fly Diptera Dolichopodidae long-legged-fly Rhaphium predatory-fly
Saropogon abbreviatus
Saropogon abbreviatus is a species of robber flies in the family Asilidae, described by Johnson in 1903. Robber flies are predatory insects known for their venomous nature and aerial hunting behavior. The genus Saropogon is part of the Nearctic fauna north of Mexico, though specific ecological details for this species remain limited in published literature.
robber-fly assassin-fly predatory-fly Nearctic
Saropogon albifrons
Saropogon albifrons is a species of assassin fly (family Asilidae) described by Back in 1904. It belongs to the subfamily Dasypogoninae and tribe Saropogonini. Like other members of the genus Saropogon, it is a predatory fly with venomous capabilities. The species is part of the Nearctic fauna, with documented observations primarily from western North America.
Asilidae assassin-fly robber-fly predatory-fly Nearctic Dasypogoninae Saropogonini Saropogon albifrons Back-1904
Saropogon bryanti
Saropogon bryanti is a species of robber fly (family Asilidae) described by Wilcox in 1966. It belongs to the genus Saropogon, a group of predatory flies within the subfamily Dasypogoninae. Like other robber flies, it is presumed to be an aerial predator of other insects, though specific details of its biology remain poorly documented. The species has been recorded from limited observations, with six documented occurrences in iNaturalist as of the source date.
robber-fly assassin-fly predatory-fly Dasypogoninae Saropogonini Nearctic Arizona Wilcox-1966 Alberts-2023-revision rarely-recorded limited-observations
Saropogon coquilletti
Saropogon coquilletti is a species of assassin fly (family Asilidae) first described by Back in 1909. It belongs to the genus Saropogon, which was reviewed for Nearctic species north of Mexico by Charlotte Herbert Alberts as part of her dissertation research on assassin fly systematics. Like other members of the Asilidae, this species is a predatory fly with venomous capabilities. The species is part of a group that has received recent taxonomic attention due to the discovery and description of related new species in the southwestern United States.
Asilidae assassin-fly robber-fly predatory-fly Nearctic Saropogon Diptera Brachycera systematics Dasypogoninae Saropogonini
Saropogon hypomelas
Saropogon hypomelas is a species of robber fly in the family Asilidae, first described by Loew in 1866. As a member of the genus Saropogon, it belongs to a group of predatory flies that are venomous and feed on other insects. The genus Saropogon was the subject of a 2023 taxonomic review by Charlotte Herbert Alberts, which examined all Nearctic species north of Mexico. Like other assassin flies, S. hypomelas likely plays a role as an aerial predator in its ecosystem.
Asilidae robber-fly assassin-fly predatory-fly Nearctic Diptera
Saropogon luteus
Saropogon luteus is a species of robber fly (family Asilidae) described by Coquillett in 1904. It belongs to the subfamily Dasypogoninae and tribe Saropogonini. The species epithet 'luteus' (Latin for yellow or golden-yellow) likely refers to its coloration. Like other members of the genus Saropogon, it is a predatory fly that captures other insects in flight.
robber-fly assassin-fly predatory-fly Nearctic Dasypogoninae
Saropogon mohawki
robber fly, assassin fly
Saropogon mohawki is a species of robber fly (family Asilidae) described by Wilcox in 1966. It belongs to the subfamily Dasypogoninae and tribe Saropogonini. The genus Saropogon is part of the Nearctic fauna north of Mexico, with species reviewed in a 2023 taxonomic revision. Like other Asilidae, this species is a predatory fly, though specific ecological details remain undocumented.
robber-fly assassin-fly Nearctic Arizona Dasypogoninae predatory-fly
Saropogon pritchardi
Saropogon pritchardi is a species of robber fly (family Asilidae) described by Bromley in 1934. Robber flies in this genus are predatory insects known for their venomous attacks on other arthropods. The genus Saropogon occurs in the Nearctic region, with species distributed across North America. Specific details about the biology and ecology of S. pritchardi remain limited in published literature.
robber-fly assassin-fly predatory-fly Nearctic Dasypogoninae
Saropogon semiustus
Saropogon semiustus is a species of assassin fly (family Asilidae) described by Coquillett in 1904. It belongs to the subfamily Dasypogoninae and tribe Saropogonini. As with other members of the genus Saropogon, it is a predatory fly, though specific details of its biology remain poorly documented. The genus Saropogon has been the subject of recent taxonomic revision work focusing on Nearctic species.
Diptera Asilidae predatory-fly Nearctic Coquillett-1904 Dasypogoninae Saropogonini
Saropogon senex
Saropogon senex is a species of assassin fly (family Asilidae) described by Osten Sacken in 1887. As a member of the genus Saropogon, it belongs to the tribe Saropogonini within the subfamily Dasypogoninae. The genus Saropogon is part of a taxonomic group that has been subject to recent revisionary work for the Nearctic fauna north of Mexico. Assassin flies in this genus, like other Asilidae, function as aerial predators of other arthropods.
Asilidae assassin-fly robber-fly Dasypogoninae Saropogonini Nearctic predatory-fly Diptera Osten-Sacken-1887 Saropogon aerial-predator arthropod-predator venomous-fly
Scathophaga intermedia
Scathophaga intermedia is a species of dung fly in the family Scathophagidae, first described by Walker in 1849. The genus Scathophaga contains predatory flies commonly associated with dung and other organic matter. As a member of this genus, S. intermedia likely shares the family's characteristic biology of larval development in dung and predatory adult behavior, though species-specific details remain poorly documented in available sources.
dung-fly predatory-fly Scathophagidae Diptera Scathophaga
Scathophaga stercoraria
yellow dung fly, golden dung fly
Scathophaga stercoraria, commonly known as the yellow dung fly or golden dung fly, is a widespread and abundant dipteran species found across the Northern Hemisphere. Adults are sexually dimorphic: males display bright golden-yellow coloration with orange-yellow fur on the front legs, while females are duller with green-brown tinges and lack the brightly colored leg fur. The species is strongly associated with the dung of large mammals, where it breeds and where males establish territories to intercept females. Adults are predatory, feeding on smaller insects and occasionally nectar, while larvae are coprophagous, developing within dung. The species has become an important model organism in evolutionary biology, particularly for studies of sexual selection, sperm competition, and life history evolution.
dung-fly sexual-selection model-organism coprophagy predatory-fly pasture-ecosystem sexual-dimorphism sperm-competition
Sciapus platypterus
Sciapus platypterus is a species of long-legged fly in the family Dolichopodidae. The species was first described by Fabricius in 1805 under the basionym Dolichopus platypterus. It occurs across the Palearctic region with confirmed records from Belgium. As a member of Dolichopodidae, it belongs to a family known for predatory habits and distinctive elongated legs.
Dolichopodidae long-legged-fly Palearctic predatory-fly Fabricius-1805
Scleropogon cinerascens
Scleropogon cinerascens is a species of robber fly (family Asilidae) described by Back in 1909. Originally described as Stenopogon cinerascens, it was later transferred to the genus Scleropogon. Robber flies are predatory insects known for their robust build, large eyes, and raptorial legs adapted for capturing prey in flight. The specific epithet 'cinerascens' refers to an ash-grey or ashen coloration, likely describing the species' appearance. As with other Asilidae, this species is presumed to be an active aerial predator of other insects.
robber-fly asilidae predatory-fly diptera insect predator
Scleropogon coyote
Scleropogon coyote is a species of robber fly in the family Asilidae, described by Bromley in 1931. The genus Scleropogon comprises predatory flies characterized by their distinctive elongated morphology and aggressive hunting behavior. As a member of this genus, S. coyote likely exhibits the typical asilid predatory lifestyle, though specific biological details remain poorly documented in available literature.
Asilidae robber-fly predatory-fly Diptera Scleropogon Bromley-1931
Scleropogon dispar
Scleropogon dispar is a species of robber fly (Diptera: Asilidae) described by Bromley in 1937. The genus Scleropogon belongs to a diverse family of predatory flies known for their aggressive hunting behavior. Very little specific information is documented about this particular species.
robber-fly asilidae diptera predatory-fly
Scleropogon floridensis
Scleropogon floridensis is a species of robber fly in the family Asilidae, described by Bromley in 1951. The genus Scleropogon comprises predatory flies characterized by their elongated bodies and distinctive leg morphology. This species is part of a group of asilids that inhabit sandy or scrub environments. As with other robber flies, it is presumed to be an aerial predator of other insects, though specific ecological details remain poorly documented.
robber-fly asilid Florida-endemic sand-scrub predatory-fly Diptera
Scleropogon huachucanus
Scleropogon huachucanus is a species of robber fly (family Asilidae) described by Hardy in 1942. The specific epithet references the Huachuca Mountains of Arizona, suggesting a southwestern U.S. distribution. Like other Asilidae, this species is presumed to be a predatory fly, though specific behavioral and ecological details remain poorly documented. The genus Scleropogon is characterized by distinctive morphological features including a bearded face and elongated body form.
Asilidae robber-fly Diptera predatory-fly Huachuca-Mountains Arizona endemic rarely-collected
Scleropogon neglectus
Scleropogon neglectus is a species of robber fly (family Asilidae) in the genus Scleropogon. The species was described by Bromley in 1931, originally placed in the genus Stenopogon. Robber flies in this genus are characterized by their distinctive elongated, beak-like proboscis used for capturing and subduing prey. The genus Scleropogon is notable among Asilidae for its specialized morphology and predatory habits.
Asilidae robber-fly predatory-fly Diptera
Scleropogon picticornis
Scleropogon picticornis is a species of robber fly in the family Asilidae, a group of predatory true flies known for their aggressive hunting behavior. The species was described by Hermann Loew in 1866. Like other Asilidae, it possesses a stout body, strong legs with spines for capturing prey, and a distinctive concave facial profile between the eyes. The specific epithet 'picticornis' refers to the painted or marked antennae characteristic of this species.
Asilidae robber-fly predatory-fly Diptera Brachycera
Scleropogon subulatus
Scleropogon subulatus is a species of robber fly in the family Asilidae, first described by Wiedemann in 1828. It belongs to the genus Scleropogon, a group of predatory flies known for their distinctive elongated mouthparts and ambush hunting behavior. The species is part of the diverse Asilidae family, which contains approximately 7,000 described species worldwide. Available observation records indicate this species has been documented in multiple locations, though detailed ecological studies remain limited.
robber-fly Asilidae predatory-fly Brachycera
Scleropogon texanus
Scleropogon texanus is a species of robber fly (family Asilidae) originally described by Bromley in 1931. The species has been reclassified under the genus Stenopogon in some taxonomic treatments, though it remains listed under Scleropogon in other sources. Robber flies in this group are predatory insects known for their active hunting behavior. Specific biological details for this species remain poorly documented in available literature.
robber-fly Asilidae predatory-fly Diptera North-America
Sintoria cyanea
Sintoria cyanea is a species of robber fly in the family Asilidae, described by Wilcox in 1972. As a member of the diverse robber fly family, it belongs to a group of predatory flies known for their aggressive hunting behavior and stout, powerful build. The genus Sintoria is part of the Asilidae, one of the largest families within Diptera with over 7,000 described species worldwide.
Asilidae Diptera robber-fly predatory-fly Wilcox-1972
Sintoria emeralda
Sintoria emeralda is a species of robber fly (family Asilidae) described by Hull in 1962. The specific epithet 'emeralda' suggests a green coloration. As a member of Asilidae, this species is a predatory fly. Information regarding its biology, distribution, and ecology remains extremely limited in published sources.
Asilidae Diptera robber-fly predatory-fly Hull-1962 emerald green Sintoria emeralda Sintoria-emeralda Insecta Arthropoda Animalia Sintoria-emeralda-Hull,-1962 Sintoria-emeralda-(Hull,-1962)Sintoria-emeralda-Hull-1962
Spaziphora cincta
Spaziphora cincta is a species of dung fly in the family Scathophagidae, first described by Loew in 1863 under the basionym Cordilura cincta. The species belongs to a genus whose members are associated with dung and decomposing organic matter. Like other scathophagid flies, adults are predatory while larvae develop in dung.
dung-fly Scathophagidae Diptera predatory-fly coprophilous-insect
Stenopogon
Stenopogon is a large genus of robber flies in the family Asilidae, comprising at least 200 described species. Members of this genus belong to the subfamily Stenopogoninae and are distributed across multiple continents. The genus was established by Loew in 1847 and represents a diverse assemblage of predatory flies that share certain morphological and behavioral characteristics.
robber-fly Asilidae predatory-fly Stenopogoninae thermoregulation
Stenopogon breviusculus
Stenopogon breviusculus is a species of robber fly in the family Asilidae, subfamily Stenopogoninae. It was described by Loew in 1872. As a member of the Stenopogoninae, it belongs to a group of generally small to medium-sized robber flies. Very few specific observations or biological details have been published for this particular species.
Asilidae robber-fly Diptera Stenopogoninae predatory-fly
Stenopogon californiae
Stenopogon californiae is a species of robber fly in the family Asilidae, subfamily Stenopogoninae. First described by Francis Walker in 1849, this species belongs to a genus of relatively small, predatory flies. Robber flies in this subfamily are characterized by their slender bodies and distinctive predatory behavior. Like other asilids, they are aerial predators that capture other insects in flight.
Asilidae Stenopogoninae robber-fly predatory-fly Diptera Walker-1849
Stenopogon engelhardti
Stenopogon engelhardti is a species of robber fly (family Asilidae) in the subfamily Stenopogoninae, described by Bromley in 1937. The genus Stenopogon belongs to a diverse group of predatory flies characterized by their aerial hunting behavior. Very little specific information is documented about this particular species beyond its taxonomic description.
Asilidae Stenopogoninae robber-fly predatory-fly Diptera
Stenopogon inquinatus
Stenopogon inquinatus is a species of robber fly in the family Asilidae, subfamily Stenopogoninae. It has been studied for its behavioral thermoregulation in response to thermal variation. As a member of the Asilidae, it is presumed to be an aerial predator of other insects, though specific prey records for this species are not documented in the available sources.
robber-fly asilidae stenopogoninae behavioral-thermoregulation thermal-biology predatory-fly
Stenopogon lomae
Stenopogon lomae is a species of robber fly in the family Asilidae, described by Wilcox in 1971. As a member of the subfamily Stenopogoninae, it belongs to a group of generally small to medium-sized predatory flies. The genus Stenopogon is primarily distributed in western North America. Very little specific information is documented about this particular species.
robber-fly Asilidae Stenopogoninae predatory-fly Diptera
Stenopogon obispae
Stenopogon obispae is a species of robber fly in the family Asilidae, described by Wilcox in 1971. As a member of the genus Stenopogon, it belongs to a group of predatory flies known for their aggressive hunting behavior. The species is documented from limited observations, with eight records currently available. Beyond its taxonomic placement, specific biological details remain poorly documented in published literature.
robber-fly Asilidae Diptera predatory-fly Wilcox-1971
Stenopogon tolandi
Stenopogon tolandi is a species of robber fly in the family Asilidae, subfamily Stenopogoninae, described by Wilcox in 1971. As a member of the genus Stenopogon, it belongs to a group of relatively small robber flies. The genus Stenopogon is part of the diverse Asilidae family, whose members are predatory flies known for their agile flight and piercing-sucking mouthparts used to capture other insects. No specific observations of this species have been documented in the provided sources.
robber-fly Asilidae Stenopogoninae predatory-fly Diptera
Symphoromyia sackeni
Symphoromyia sackeni is a species of snipe fly in the family Rhagionidae, first described by Aldrich in 1915. The species belongs to the subfamily Spaniinae and is classified within the genus Symphoromyia. Like other snipe flies, adults are predatory and typically associated with moist habitats. The species name honors Osten Sacken, a prominent 19th-century dipterist.
snipe-fly Rhagionidae predatory-fly Diptera Spaniinae Symphoromyia 1915-description Aldrich Osten-Sacken-honorific
Syneches rufus
Syneches rufus is a species of hybotid dance fly (family Hybotidae), a group of small predatory flies known for their distinctive dancing flight behavior. The species was described by Loew in 1861 and is known to occur in the United States. As a member of the Hybotidae, it likely shares the family's characteristic predatory habits, though specific ecological details for this species remain limited.
Diptera Hybotidae dance-fly North-America predatory-fly
Systenus albimanus
Systenus albimanus is a species of long-legged fly in the family Dolichopodidae, described by Wirth in 1952. It belongs to the subfamily Medeterinae, a group of small to medium-sized predatory flies commonly found in moist habitats. The species is characterized by its distinctive white fore tarsi, referenced in its specific epithet 'albimanus' (white hand). Like other dolichopodids, it is presumed to be predatory as both adult and larval stages, though specific ecological studies on this species are limited.
Dolichopodidae Medeterinae long-legged-fly predatory-fly white-tarsi
Systenus eucercus
Systenus eucercus is a species of long-legged fly (Dolichopodidae) described by Steyskal in 1970. It belongs to the subfamily Medeterinae, a group characterized by slender bodies and elongated legs. The genus Systenus is distributed across the Holarctic region, with species often associated with moist terrestrial habitats. As with most dolichopodids, adults are predatory and contribute to insect population control in their ecosystems.
Diptera Dolichopodidae Medeterinae long-legged-fly predatory-fly Holarctic
Tabuda planiceps
Tabuda planiceps is a species of stiletto fly in the family Therevidae, originally described as Xestomyza planiceps by Loew in 1872. The species belongs to a genus of slender, predatory flies characterized by their elongated body form and distinctive wing venation. Members of the genus Tabuda are found in the Nearctic region, with T. planiceps representing one of the better-documented species in this group of lower brachyceran flies.
stiletto-fly Therevidae Diptera predatory-fly Nearctic soil-dwelling-larvae
Tabuda varia
Tabuda varia is a species of stiletto fly in the family Therevidae, first described by Francis Walker in 1848. Stiletto flies are predatory insects characterized by their slender bodies and distinctive wing venation. The genus Tabuda is part of the diverse Therevidae family, which contains over 1,000 described species worldwide. Information specific to the biology and ecology of T. varia remains limited in the available literature.
Diptera Therevidae stiletto-fly predatory-fly Walker-1848 Tabuda
Tachytrechus angustipennis
Tachytrechus angustipennis is a predatory long-legged fly in the family Dolichopodidae. It has been recorded across much of the United States, from California and Utah to the eastern seaboard, and extends into the Neotropical realm and the Hawaiian Islands. Adults are known to inhabit algal mats in geothermal environments, notably at Yellowstone National Park. The species exhibits territorial behavior in males and preys primarily on Paracoenia eggs and larvae.
Dolichopodidae predatory-fly thermal-effluent Yellowstone territorial-males
Tachytrechus dilaticosta
Tachytrechus dilaticosta is a species of long-legged fly in the family Dolichopodidae, first described by Van Duzee in 1927. The genus Tachytrechus belongs to a diverse family of small predatory flies known for their metallic coloration and agile flight. Like other dolichopodids, members of this genus are active predators on other small insects. The species is rarely recorded, with minimal observational data available.
Dolichopodidae long-legged-fly predatory-fly Diptera Van-Duzee-1927
Tachytrechus floridensis
Tachytrechus floridensis is a species of long-legged fly in the family Dolichopodidae, described by Aldrich in 1896. The genus Tachytrechus belongs to the diverse subfamily Dolichopodinae, which includes small to medium-sized predatory flies often found in sunny habitats. Members of this genus share the family's characteristic metallic coloration and elongated legs. The specific epithet "floridensis" indicates a connection to Florida, though detailed natural history information for this particular species remains limited in available sources.
Diptera Dolichopodidae long-legged-fly predatory-fly Tachytrechus Florida-endemic Aldrich-1896 Dolichopodinae metallic-fly small-fly
Tachytrechus sanus
Tachytrechus sanus is a species of long-legged fly in the family Dolichopodidae, described by Osten Sacken in 1877. As a member of this diverse family, it shares the characteristic elongated legs and predatory habits typical of dolichopodids. The genus Tachytrechus is known for species that inhabit ground-level and open habitats rather than aquatic environments.
long-legged-fly predatory-fly Diptera Dolichopodidae
Taracticus
Rainbow Robbers
Taracticus is a genus of robber flies in the family Asilidae, commonly known as Rainbow Robbers. The genus was established by Loew in 1872 and contains approximately 16 described species. These predatory flies are part of the diverse Asilidae family, which is known for aggressive hunting behavior. The common name 'Rainbow Robbers' suggests distinctive coloration, though specific traits vary among species.
Asilidae robber-fly predatory-fly Diptera
Taracticus octopunctatus
Eight-spotted Rainbow Robber
Taracticus octopunctatus is a species of robber fly in the family Asilidae. It is commonly known as the Eight-spotted Rainbow Robber. The species was first described by Thomas Say in 1823, originally placed in the genus Dioctria as Dioctria 8-punctata. It is found in the eastern United States.
robber-fly Asilidae predatory-fly eastern-US
Thereva bakeri
Thereva bakeri is a species of stiletto fly in the family Therevidae, described by Cole in 1923. Stiletto flies are predatory insects in the order Diptera, characterized by their distinctive elongated mouthparts. The species is part of the diverse genus Thereva, which contains numerous species across multiple continents. Limited specific information is available for this particular species.
Diptera Therevidae stiletto-fly predatory-fly Brachycera
Thereva comata
Thereva comata is a species of stiletto fly in the family Therevidae, order Diptera. It belongs to a family of predatory flies commonly known for their slender bodies and distinctive wing venation. The species was described by Loew in 1869.
stiletto-fly Therevidae Diptera predatory-fly
Thereva diversa
Thereva diversa is a species of stiletto fly in the family Therevidae, described by Coquillett in 1894. Stiletto flies are predatory insects characterized by their slender bodies and distinctive elongated mouthparts. The genus Thereva is one of the larger genera within the family, though specific ecological and behavioral details for this particular species remain poorly documented in available literature.
Diptera Therevidae stiletto-fly predatory-fly
Thereva flavipilosa
Thereva flavipilosa is a species of stiletto fly in the family Therevidae, first described by Cole in 1923. The specific epithet 'flavipilosa' refers to yellowish hair. It is a member of a diverse genus of predatory flies known for their distinctive elongated mouthparts and agile flight. Documentation of this species is sparse, with limited observational records.
stiletto-fly Therevidae Asilomorpha predatory-fly
Thereva frontalis
Thereva frontalis is a species of stiletto fly in the family Therevidae, first described by Thomas Say in 1824. It belongs to the order Diptera and is part of the diverse assemblage of predatory flies within the superfamily Asiloidea. The species has been recorded from the northeastern United States, specifically from Vermont. Like other therevids, it likely exhibits the characteristic stiletto fly morphology with an elongated, slender body and predatory habits, though detailed ecological studies for this particular species remain limited.
Diptera Therevidae stiletto-fly North-America predatory-fly
Thereva hirticeps
Thereva hirticeps is a species of stiletto fly in the family Therevidae, first described by Loew in 1874. Stiletto flies are predatory insects known for their distinctive elongated mouthparts and agile flight. The species epithet "hirticeps" refers to hairy head characteristics. Very few observations of this species have been documented.
stiletto-fly predatory-fly Therevidae Diptera Loew-1874
Thereva smithae
Thereva smithae is a species of stiletto fly (family Therevidae) described in 2005 by Holston and Irwin. As a member of this family, it belongs to a group of predatory flies known for their distinctive elongated mouthparts and agile flight. The species is named in honor of an individual with the surname Smith. Very few observations of this species exist in public databases.
stiletto-fly Diptera Therevidae predatory-fly 2005-description
Tipulogaster glabrata
Shellac-backed Pixie
Tipulogaster glabrata is a species of robber fly in the family Asilidae, commonly known as the Shellac-backed Pixie. The species is characterized by its distinctive appearance and predatory behavior typical of robber flies. It has been recorded in the northeastern United States, including Vermont.
robber-fly Asilidae predatory-fly Diptera North-America
Townsendia albomacula
Townsendia albomacula is a species of robber fly in the family Asilidae, described by Martin in 1966. The genus Townsendia is a small group of asilid flies primarily found in the Neotropical region. As with other robber flies, this species is presumed to be a predatory insect, though specific details about its biology remain largely unreported in the scientific literature.
robber-fly asilidae neotropical predatory-fly diptera
Townsendia nigra
Townsendia nigra is a species of robber fly in the family Asilidae, first described by Back in 1909. As a member of the Diptera order, this predatory fly belongs to a family known for aggressive hunting behavior and strong flight capabilities. The species is part of the genus Townsendia, which contains multiple robber fly species distributed across North America. Specific ecological details about this particular species remain limited in available literature.
robber-fly Asilidae Diptera predatory-fly North-American-fauna
Trigonomiminae
Trigonomiminae is a subfamily of robber flies (Asilidae), a diverse group of predatory dipterans. Members are characterized by their predatory lifestyle and are part of one of the largest families of flies. The subfamily is distinguished by specific morphological traits that separate it from other asilid subfamilies. They occur across multiple continents and are active during warmer months.
robber-fly predatory-fly Asilidae Diptera
Triorla
Triorla is a genus of robber flies (family Asilidae) containing approximately five described species. The genus was segregated from Efferia and is now widely regarded as valid. Triorla interrupta is the only species occurring in North America; other species are distributed from Panama to Argentina. These flies are predatory and share the general characteristics of Asilidae, including a robust body and predatory habits.
robber-fly Asilidae Diptera predatory-fly
Triorla interrupta
Triorla interrupta is a species of robber fly in the family Asilidae. It is the only North American species in the genus Triorla, with a second species occurring from Panama to Argentina. The species is considered the most common robber fly in Arkansas and is widely distributed across eastern North America.
robber-fly Asilidae Diptera predatory-fly North-America Arkansas Efferia-group
Willistonina bilineata
Willistonina bilineata is a species of robber fly (family Asilidae) first described by Williston in 1883. The species was originally placed in the genus Habropogon as H. bilineatus before being transferred to Willistonina. Asilidae are predatory flies known for their aggressive hunting behavior and distinctive morphology.
robber-fly Asilidae predatory-fly Diptera
Xanthochlorus helvinus
Xanthochlorus helvinus is a species of long-legged fly in the family Dolichopodidae, described by Loew in 1861. The genus Xanthochlorus is characterized by yellowish-green coloration, reflected in its name (from Greek xanthos 'yellow' and chloros 'green'). As a member of Dolichopodidae, it belongs to one of the largest families of Diptera, known for their elongated legs and predatory habits.
Dolichopodidae long-legged-fly Diptera predatory-fly
Zabrops tagax
Zabrops tagax is a species of robber fly (family Asilidae) described by Samuel Wendell Williston in 1883. The genus Zabrops is a small group within the diverse Asilidae family, which comprises predatory flies known for their aerial hunting behavior. This species is known from very few records, with limited documentation of its biology and ecology. Robber flies in this genus are generally associated with arid and semi-arid regions of western North America.
robber-fly Asilidae predatory-fly rare-species data-deficient
Zabrops wilcoxi
Zabrops wilcoxi is a species of robber fly (family Asilidae) described by Fisher in 1977. The genus Zabrops is a small group within the diverse robber fly family, which are predatory flies known for their aggressive hunting behavior. This species is documented from 18 iNaturalist observations, indicating it is encountered in the field but remains poorly known in terms of detailed biology.
robber-fly predatory-fly Asilidae Diptera North-America