North-america
Guides
Abablemma bilineata
Abablemma bilineata is a moth species in the family Erebidae, first described by Barnes and McDunnough in 1916. It is found in North America. The species belongs to the subfamily Acontiinae, a group of moths often characterized by relatively simple wing patterns and nocturnal habits. Based on iNaturalist records, it has been documented in at least 121 observations, suggesting it is not exceptionally rare within its range.
Abablemma duomaculata
double-eyed algibelle
Abablemma duomaculata is a moth species in the family Erebidae, subfamily Acontiinae. It was first described by Barnes and Benjamin in 1925, originally under the genus Phobolosia. The species is known from southern Texas extending into Mexico. It is commonly referred to as the double-eyed algibelle.
Abachrysa eureka
Eureka Green Lacewing
Abachrysa eureka is a species of green lacewing and the sole member of the genus Abachrysa. It belongs to the family Chrysopidae, a group of predatory insects valued for their role in biological control. The species was originally described by Nathan Banks in 1931 under the name Chrysopa eureka before being transferred to the monotypic genus Abachrysa.
Abacion
Brown Crested Millipedes, Crested Millipedes
Abacion is a genus of large, dark brown crested millipedes in the family Abacionidae, order Callipodida. The genus comprises approximately 10 described species distributed in North America. Members are characterized by prominent dorsal crests on their body segments, a distinctive feature of the group. The genus was established by Rafinesque in 1820 and represents one of the more conspicuous millipede taxa in its range due to its size and crested appearance.
Abacion magnum
crested millipede
Abacion magnum is a crested millipede species in the family Abacionidae, first described by Loomis in 1943. It is native to North America and is characterized by defensive chemical secretions containing p-cresol. In captivity, it has been observed to feed on dead insects and conspecifics, indicating opportunistic scavenging behavior.
Abacion tesselatum
crested millipede
Abacion tesselatum is a species of crested millipede in the family Abacionidae, first described by Rafinesque in 1820. It is a member of the order Callipodida, one of the major lineages of millipedes. The species is found in North America, with confirmed records from Kentucky. As a crested millipede, it belongs to a group characterized by distinctive dorsal projections on their body segments.
Abacionidae
crested millipedes
Abacionidae is a family of crested millipedes in the order Callipodida, established by Shelley in 1979. The family contains at least three genera—Abacion, Delophon, and Tetracion—with approximately 13 described species. Members of this family occur in both surface and cave habitats, with some species showing troglobiotic adaptations including reduced pigmentation and non-functional eyes.
Abaeis
Abaeis is a genus of butterflies in the family Pieridae, commonly known as the sulphurs or whites. The genus includes the sleepy orange (Abaeis nicippe), a species found in North America. Members of this genus are typically small to medium-sized butterflies with yellow or orange coloration. The genus was established by Jacob Hübner in 1819.
Abagrotis anchocelioides
blueberry budworm moth
Abagrotis anchocelioides, commonly called the blueberry budworm moth, is a noctuid moth species found in eastern and central North America. Adults have a wingspan of 32–38 mm and are active from June through September. The larval host plant association with blueberry remains tentative.
Abagrotis apposita
cutworm moth, dart moth
Abagrotis apposita is a noctuid moth species described by Grote in 1878. It belongs to a genus of cutworm and dart moths whose larvae are known as cutworms. The species occurs in North America and has been assigned Hodges number 11037. It is part of the diverse Noctuidae family, one of the largest moth families.
Abagrotis baueri
Abagrotis baueri is a species of noctuid moth described by James Halliday McDunnough in 1949. It belongs to the cutworm or dart moth group within the family Noctuidae. The species is known from North America, though specific details regarding its biology and ecology remain limited in the published literature.
Abagrotis benjamini
Coastal Heathland Cutworm Moth
Abagrotis benjamini is a moth in the family Noctuidae, described by Franclemont in 1955. It is currently treated as a synonym of Abagrotis nefascia. The species is known from coastal heathland habitats in North America, with records from Alberta, Canada. As a member of the cutworm moth group, it likely shares ecological traits with related Abagrotis species, though specific biological details remain poorly documented.
Abagrotis bimarginalis
Pale-edged Dart
Abagrotis bimarginalis is a noctuid moth species described by Grote in 1883. It belongs to the cutworm or dart moth group within the family Noctuidae. The species is distributed across Central America and North America. It is assigned MONA/Hodges number 11017.
Abagrotis cupida
Cupid dart, brown climbing cutworm
Abagrotis cupida is a noctuid moth found across southern Canada and the eastern United States. Adults have a wingspan of 33–35 mm and fly in late summer, with one generation per year. Larvae feed on woody plants including willow, apple, grape, and peach. The species is known by two common names reflecting different life stages: 'Cupid dart' for the adult moth and 'brown climbing cutworm' for the larva.
Abagrotis denticulata
cutworm moth, dart moth
Abagrotis denticulata is a noctuid moth species described by McDunnough in 1946. It belongs to the cutworm or dart moth group within the family Noctuidae. The species is recorded from North America and has been assigned MONA/Hodges number 11026. Available information on this species remains limited.
Abagrotis forbesi
Forbes' dart moth
A noctuid moth species described by Benjamin in 1921. The species is part of the diverse dart moth genus Abagrotis, which contains numerous North American species. The specific epithet honors an entomologist, likely William T.M. Forbes, a prominent lepidopterist. The species has been documented in North America with 23 iNaturalist observations, though detailed natural history information appears limited in available sources.
Abagrotis hennei
Abagrotis hennei is a species of cutworm moth in the family Noctuidae, described by Buckett in 1968. It belongs to a genus of soil-dwelling moth larvae commonly known as cutworms or darts. The species is recorded from North America. Adults are nocturnal and attracted to light. Larvae are ground-dwelling and feed on vegetation.
Abagrotis kirkwoodi
cutworm moth, dart moth
Abagrotis kirkwoodi is a species of cutworm or dart moth in the family Noctuidae, described by Buckett in 1968. It is recorded from North America. Like other members of the genus Abagrotis, it likely exhibits nocturnal adult activity and possesses the characteristic robust body form typical of noctuine moths. The species is assigned MONA/Hodges number 11014.
Abagrotis mexicana
Mexican cutworm, Mexican dart moth
Abagrotis mexicana is a species of cutworm moth in the family Noctuidae, described by Lafontaine in 1998. The species belongs to a genus of soil-dwelling larvae commonly known as cutworms or dart moths. It is distributed across Central America and North America, though specific details about its biology and ecology remain limited in available literature. The species is assigned MONA/Hodges number 11029.1.
Abagrotis petalama
A small noctuid moth described by J. Donald Lafontaine in 1998. The species name derives from Greek 'petalos' (broad, flat) and 'ama' (together), referring to the broad, flattened male genitalia valvae that distinguish it from congeners. Known from limited specimens in western North America.
Abagrotis reedi
Reed's Dart
Abagrotis reedi is a noctuid moth described by John S. Buckett in 1969. It occurs across western and central North America, from California through the Rocky Mountain states to Iowa, with Canadian populations in the prairie provinces and British Columbia. The species has a moderate wingspan of 33–36 mm. It is one of approximately 30 species in the genus Abagrotis, a group of dart moths primarily distributed in North America.
Abagrotis rubricundis
Abagrotis rubricundis is a noctuid moth described by Buckett in 1968. It is restricted to mountainous regions of California and southwestern Oregon. The species has a wingspan of approximately 38 mm. It is a rarely recorded species with limited ecological data available.
Abia inflata
North American Honeysuckle Sawfly
Abia inflata is a North American sawfly in the family Cimbicidae, commonly known as the North American Honeysuckle Sawfly. This species belongs to the suborder Symphyta, the group of Hymenoptera that lack the constricted waist characteristic of ants, wasps, and bees. It has been recorded across multiple Canadian provinces from British Columbia to Labrador. The species was first described by Norton in 1861.
Ablautus
Prospectors
Ablautus is a genus of small robber flies (family Asilidae) containing approximately 14 described species. Adults measure 6–7 millimeters and inhabit arid regions of western and southwestern North America, particularly sandy areas within sagebrush communities. The genus exhibits notable mimicry relationships, with Ablautus mimus known to mimic Lestomyia sabulonum. Species were described primarily by J. Wilcox during 1935–1966, with the genus first established by Loew in 1866.
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.
Ablautus linsleyi
Linsley Prospector
Ablautus linsleyi is a species of robber fly (family Asilidae) described by Wilcox in 1966. The genus Ablautus comprises small, sand-colored predatory flies that are often difficult to observe due to their cryptic coloration. Members of this genus are active in spring and are known for elaborate courtship behaviors. The specific epithet honors E. Gorton Linsley, a prominent American coleopterist.
Ablautus mimus
Arizona Prospector
Ablautus mimus is a small robber fly (family Asilidae) native to arid regions of western and southwestern North America. Adults measure approximately 6–7 millimeters and exhibit sand-colored camouflage. The species has been documented in association with sandy soils in sagebrush habitats and shows documented mimicry of Lestomyia sabulonum, another small fly species sharing its habitat. It is also known to occur alongside Cyrtopogon ablautoides in sandy desert regions.
Ablautus vanduzeei
Spot-winged Prospector
Ablautus vanduzeei is a small species of robber fly (family Asilidae) measuring approximately 6–7 millimeters in length. Adults are sand-colored and somewhat difficult to see, making them cryptic in their preferred open, sandy habitats. Males are slightly smaller and more slender than females, with bright white facial hairs; females have gold or ochre-colored facial hairs. The species is known from 18 observations on iNaturalist and is part of the genus Ablautus, which is currently undergoing taxonomic revision.
Abrenthia
Abrenthia is a monotypic genus of sedge moths in the family Glyphipterigidae, described by August Busck in 1915. The sole species, Abrenthia cuprea, is a small North American moth with a wingspan of 9–12 mm. Adults are active in mid-to-late June, with likely a single generation per year.
Abrostola urentis
Spectacled Nettle Moth, Variegated Brindle
Abrostola urentis is a noctuid moth with a wingspan of 30–32 mm. It is known by two common names: the spectacled nettle moth and the variegated brindle. The species has a broad distribution across North America, with adults active in summer and larvae specialized on stinging nettle.
Acalitus ferrugineum
beech erineum mite
Acalitus ferrugineum is a microscopic eriophyid mite that induces erineum galls on the leaves of American beech (Fagus grandifolia). The galls appear as pale to light yellow patches that progress to reddish-brown later in the season. The species is known from the United States and Canada and has been documented in over 4,000 observations.
Acallepitrix nitens
Acallepitrix nitens is a species of flea beetle in the family Chrysomelidae. It was described by Horn in 1889. The species is native to North America and belongs to a genus of small leaf beetles known for their jumping ability, enabled by enlarged hind femora. Very little specific biological information has been published for this particular species.
Acalles carinatus
hidden snout weevil
Acalles carinatus is a species of hidden snout weevil in the beetle family Curculionidae. The species was described by LeConte in 1876. It is known from North America, with records from Ontario and Québec in Canada. As a member of the genus Acalles, it belongs to a group of small weevils characterized by their concealed snout structure.
Acalles clavatus
hidden snout weevil
Acalles clavatus is a species of hidden snout weevil in the beetle family Curculionidae. The species is known from North America and has been documented in at least 7 iNaturalist observations. As a member of the genus Acalles, it belongs to a group of weevils commonly referred to as hidden snout weevils, though specific ecological details for this species remain poorly documented in available sources.
Acalles porosus
hidden snout weevil
Acalles porosus is a species of hidden snout weevil in the beetle family Curculionidae. The species was described by Blatchley and Leng in 1916. It is known from North America. As a member of the genus Acalles, it belongs to a group of small weevils often associated with leaf litter and decaying plant material.
Acalles sulcicollis
Acalles sulcicollis is a species of weevil in the family Curculionidae, described by LeConte in 1884. It belongs to the genus Acalles, a group of small weevils. The species is provisionally accepted in taxonomic databases and is recorded from North America. Very little specific biological information is available for this species.
Acallodes ventricosus
Acallodes ventricosus is a minute seed weevil in the family Curculionidae, described by J. Lec. in 1876. It is a small beetle species found in North America, with records from Manitoba and Ontario in Canada. As a member of the seed weevil group, it likely feeds on seeds, though specific host plants remain undocumented.
Acalymma
striped cucumber beetles, cucumber beetles
Acalymma is a genus of leaf beetles in the family Chrysomelidae comprising approximately 72 described species in the Western Hemisphere. The genus is primarily distributed in the New World, with most species occurring in North America including Mexico. Two species, A. vittatum (striped cucumber beetle) and A. trivittatum (western striped cucumber beetle), are major agricultural pests of cucurbit crops. Acalymma species are specialists on plants in the family Cucurbitaceae, with adults feeding on leaves, flowers, and fruit, and larvae feeding on roots.
Acalymma blandulum
Acalymma blandulum is a skeletonizing leaf beetle in the family Chrysomelidae. The species was revised taxonomically in 1980, which established three recognized subspecies with distinct geographic distributions in the southwestern United States and Mexico. It belongs to the genus Acalymma, which includes several agriculturally significant cucurbit-feeding species.
Acalymma peregrinum
Acalymma peregrinum is a skeletonizing leaf beetle in the family Chrysomelidae. It occurs in Central America and North America. The genus Acalymma includes several economically important agricultural pests, though specific information about A. peregrinum's biology and ecology is limited in available sources.
Acalypta barberi
Acalypta barberi is a species of lace bug in the family Tingidae, described by Drake in 1934. It is found in North America. Lace bugs in this family are small, flattened insects that feed on plant sap using piercing-sucking mouthparts.
Acamptus
Acamptus is a genus of true weevils (Curculionidae) established by LeConte in 1876. The genus contains approximately nine described species, with members distributed in North and Central America. Species have been described from the late 19th century through 2015, including one species described from Dominican amber (A. exilipes). The genus is poorly represented in biological collections, with limited observational records.
Acamptus rigidus
Acamptus rigidus is a species of true weevil in the beetle family Curculionidae, first described by John Lawrence LeConte in 1876. The species is native to North America and has been recorded in the Canadian provinces of Ontario and Québec. It belongs to a genus of small weevils whose biology remains poorly documented.
Acamptus texanus
Acamptus texanus is a species of true weevil in the beetle family Curculionidae. The species was described by Zimmerman in 1974. Very little specific biological information has been published for this species. It is known from North America, though detailed distribution records and ecological data remain sparse.
Acanalonia fasciata
Acanalonia fasciata is a small planthopper species in the family Acanaloniidae, measuring 4.2 to 6.2 mm in length. It occurs in the Southwestern United States and northwestern Mexico. The species is frequently mistaken for the closely related Acanalonia bivittata but differs in size, elytral surface texture, and geographic range. Local dryinid wasp species have been reported as possible predators.
Acanalonia parva
Acanalonia parva is a species of planthopper in the family Acanaloniidae, first described by Doering in 1932. It is a relatively small member of the genus Acanalonia, which is characterized by their distinctive flattened, often leaf-like appearance. The species is known from the southwestern United States, with confirmed records from New Mexico and Texas. Like other acanaloniids, it likely feeds on plant sap using its piercing-sucking mouthparts.
Acanthepeira cherokee
Cherokee Orbweaver
Acanthepeira cherokee is a species of orb-weaving spider in the family Araneidae, described by Herbert W. Levi in 1976. It belongs to a genus characterized by distinctive abdominal tubercles or spines that provide camouflage. The species is found in the United States, though specific details about its biology and ecology remain limited in published literature.
Acanthepeira marion
Acanthepeira marion is an orb-weaving spider in the family Araneidae, first described by Levi in 1976. The species is distributed across the United States and Mexico. As a member of the genus Acanthepeira, it shares the distinctive spiny abdominal tubercles characteristic of this group of orbweavers.
Acanthinus clavicornis
antlike flower beetle
Acanthinus clavicornis is a species of antlike flower beetle in the family Anthicidae, described by Champion in 1890. The species is characterized by its small size and ant-like appearance, a common trait among anthicid beetles. It occurs in Central America and North America, though specific ecological details remain poorly documented.
Acanthinus exilis
antlike flower beetle
Acanthinus exilis is a species of antlike flower beetle in the family Anthicidae, first described by LaFerté-Sénectère in 1849. It is found in North America. The species belongs to a genus of small beetles commonly known as antlike flower beetles due to their resemblance to ants.