New-world
Guides
Creontiades rubrinervis
Creontiades rubrinervis is a plant bug species in the family Miridae, first described by Stål in 1862. It has a broad distribution across the Americas, with records from the United States through Central America to South America. The species is part of a genus whose members are generally associated with vegetation, though specific ecological details for this species remain limited.
Crypticerya
fluted scales, channeled mealybugs
Crypticerya is a genus of giant scale insects in the family Monophlebidae, comprising 28 described species as of 2024. All species are native to the Americas. The genus was established by Cockerell in 1895 as a subgenus of Icerya, elevated to genus rank in 1899, synonymized in 1926, and revived in 2008. Species in this genus are commonly known as "fluted scales" or "channeled mealybugs" due to the longitudinal grooves or channels present on the ovisacs of species that produce them. Many species are significant agricultural and urban pests.
Curius
Curius is a genus of longhorn beetles (Cerambycidae) and the sole genus in the tribe Curiini. It contains four described species distributed in the Americas. The genus was established by Newman in 1840. Members are classified in the subfamily Cerambycinae, a diverse group of wood-boring beetles.
Cuterebra
rodent bots, Glire Bot Flies
Cuterebra is a genus of New World bot flies (subfamily Cuterebrinae) comprising approximately 78 species that parasitize rodents and lagomorphs. Adults are large, robust flies resembling bumble bees, with non-functional mouthparts and short lifespans devoted entirely to reproduction. Females oviposit near host burrow entrances; larvae hatch in response to host body heat, enter through natural orifices or wounds, and develop subcutaneously for approximately one month before exiting to pupate in soil. The genus exhibits notable host specificity, with individual species typically restricted to single host species or closely related groups.
Cuterebra atrox
Cuterebra atrox is a species of New World skin bot fly in the family Oestridae. Like other members of the genus Cuterebra, it is a parasitic fly whose larvae develop subcutaneously in mammalian hosts. The species was described by Clark in 1848. Adults are rarely encountered in the field and do not feed, lacking functional mouthparts.
Cuterebra bajensis
Cuterebra bajensis is a species of New World skin bot fly in the family Oestridae, described by Sabrosky in 1986. The species belongs to a genus of obligate mammalian parasites whose larvae develop subcutaneously in rodents and lagomorphs. Adults are rarely encountered in the field and do not feed.
Cuterebra buccata
rabbit bot fly
Cuterebra buccata is a New World bot fly in the family Oestridae, commonly known as the rabbit bot fly. Adults are large, bumble bee-sized flies that lack functional mouthparts and do not feed. The species is host-specific to lagomorphs, particularly cottontail rabbits (Sylvilagus floridanus). Larvae develop subcutaneously in warbles, feeding on host fluids rather than tissue. Adults are rarely encountered in the field and have short lifespans focused on reproduction.
bot-flymyiasisparasitelagomorphrabbitOestridaeCuterebrinaebumble-bee-mimicrywarblesubcutaneous-parasitehost-specificnon-feeding-adultpupariumCuterebraSylvilaguscottontail-rabbitNew-WorldNorth-AmericaVirginiaMissouriVermontspring-emergencelate-summer-prevalencerarely-encounteredshort-lived-adultevolutionary-coevolutionbenign-parasitismsoil-pupationlarval-migrationsubcutaneous-developmentDipteraInsectaentomologymedical-entomologyveterinary-entomologywildlife-diseaseparasitologyhost-parasite-interactioncuterebridrabbit-parasitelagomorph-parasitebotwarble-flygadflyOestrus-buccataFabricius-1775Cuterebra-buccata-(Fabricius,-1775)Cylindridia
Cylindridia is a genus of flower weevils in the family Curculionidae, containing seven valid species. The genus was established by Casey in 1920 and has a broad distribution from Canada to Argentina. At least four species are known to develop within the culms of sedges (Cyperaceae).
Desmiphora
Desmiphora is a genus of longhorn beetles (Cerambycidae: Lamiinae) comprising approximately 50 species distributed across the New World tropics and subtropics. The genus is characterized by distinctive fasciculate tufts (pencils) of erect or suberect hairs on the body. Most species occur in Brazil, with some extending northward to southern Texas. The genus was established by Audinet-Serville in 1835 and includes two subgenera: Antenniphora and Desmiphora.
Desmiphorini
Desmiphorini is a tribe of longhorn beetles (Cerambycidae) within the subfamily Lamiinae, distributed across the New World and Asia. Members are characterized by distinctive tufts or fascicles of erect hairs (pencils) on the body, often functioning in crypsis against bark or foliage. The tribe includes genera such as Desmiphora, Graphidessa, Miccolamia, and Ceiupaba, with species ranging from minute (Miccolamia minuta, considered the smallest cerambycid in China) to larger forms. Many species exhibit cryptic coloration matching their host substrates, with some showing potential caterpillar mimicry.
Diasemiodes
Diasemiodes is a genus of small moths in the family Crambidae, subfamily Spilomelinae. The genus was established by Munroe in 1957 and contains at least four described species distributed in the Americas. These moths are part of the diverse grass moth group, though specific ecological details remain limited in the literature.
Diguetidae
coneweb spiders, desertshrub spiders
The Diguetidae are a small family of haplogyne spiders commonly known as coneweb or desertshrub spiders. They are endemic to the New World and primarily associated with arid and desert environments. Members construct distinctive webs featuring a horizontal sheet with a central tubular retreat, often camouflaged with plant debris. The family contains only two genera and approximately 15 species, with the genus Diguetia being the sole representative in North America. These spiders are considered relatively primitive among araneomorphs due to their unmodified female genitalia and simple male pedipalps.
Dikraneurini
Dikraneurini is a diverse tribe of leafhoppers in the subfamily Typhlocybinae, containing 74 genera and 497 valid species worldwide. Members are small, slender, phloem-feeding insects typically 3.0–3.5 mm in length, often with white to yellowish coloration. The tribe is economically significant as it includes potential agricultural pests and belongs to the leafhopper family most associated with plant pathogen transmission. Dikrella mella, a member of this tribe, has been documented as a potential pest of avocado in Mexico.
Dioprosopa
drone flies
Dioprosopa is a genus of hoverflies (family Syrphidae) in the tribe Syrphini, containing two described species found in the New World. The genus was elevated from subgenus rank in 2018 based on phylogenetic studies. Both species occur in tropical and subtropical regions of the Americas, where they contribute to ecosystem services through adult pollination and larval predation on agricultural pests.
Diphleps
jumping tree bugs
Diphleps is a genus of jumping tree bugs in the family Miridae, established by Bergroth in 1924. The genus contains five described species distributed in the New World tropics. Species in this genus are arboreal and possess enlarged hind femora adapted for jumping. The genus is relatively poorly studied compared to other mirid genera.
Diplochaetus
Diplochaetus is a genus of ground beetles in the family Carabidae, established by Chaudoir in 1872. The genus contains at least four described species distributed across North, Central, and South America. Members of this genus belong to the tribe Pogonini within the subfamily Trechinae. These beetles are part of the diverse ground beetle fauna inhabiting various terrestrial environments in the Americas.
Diplotaxis curvaticeps
Diplotaxis curvaticeps is a species of scarab beetle described by Fall in 1909. It belongs to the subfamily Melolonthinae, a group commonly known as May or June beetles and chafers. The species is distributed across parts of Central America and North America, with documented occurrences in the southwestern United States (Texas) and several Mexican states including Guanajuato, Hidalgo, Nuevo León, San Luis Potosí, and Tamaulipas. As a member of the genus Diplotaxis, it is part of a group of small scarab beetles often associated with sandy habitats and nocturnal activity patterns.
Disphragis
Disphragis is a genus of notodontid moths (family Notodontidae, subfamily Heterocampinae) containing approximately 137 species. The genus was erected by Jacob Hübner in 1820 and is restricted to the New World. Species-level taxonomy has been revised in recent decades, with several new species described from Central America.
Distichona
Distichona is a genus of tachinid flies in the family Tachinidae, subfamily Exoristinae, tribe Goniini. The genus was established by Wulp in 1890 and contains eight described species distributed across the Americas. As a member of the Tachinidae, species in this genus are presumably parasitoids, though specific host associations remain undocumented. The genus is rarely encountered, with minimal observational records available.
Donacia cincticornis
Girdle-horned Pond Lily Leaf Beetle
Donacia cincticornis is a species of aquatic leaf beetle in the subfamily Donaciinae, characterized by its association with aquatic vegetation. The species is known from the Caribbean, Central America, and North America. Three subspecies have been described: D. c. cincticornis, D. c. tenuis, and D. c. tryphera. Like other members of the genus Donacia, it is closely tied to freshwater habitats.
Dorcaschema
Dorcaschema is a genus of longhorn beetles in the family Cerambycidae, subfamily Lamiinae. The genus is native to the New World. Species in this genus are characterized by their elongated bodies and long antennae typical of cerambycids. The genus was established by Haldeman in 1847.
Dorymyrmex bicolor
Bicolored Pyramid Ant
Dorymyrmex bicolor is a small ant species (~2-3 mm) in the subfamily Dolichoderinae, commonly known as the bicolored pyramid ant. It exhibits distinctive two-toned coloration and builds conspicuous crater-shaped nest mounds in bare soil. The species lacks a functional sting and instead relies on chemical defense via a slit-like acidopore. Native to arid and semi-arid regions of the Americas, it is a dominant, disturbance-tolerant species with significant ecological roles in seed dispersal and plant germination. Recent phylogeographic studies indicate complex population structure shaped by topographic barriers and incomplete lineage sorting.
Dysmerus
Dysmerus is a genus of small beetles in the family Laemophloeidae, comprising 15 species distributed across the New World from the southeastern United States to Bolivia and the West Indies. The genus remained monotypic for over a century until a 2025 revision resurrected two synonymized species and described 12 new species. Males possess a grotesquely modified antennal scape of unknown function, a diagnostic feature of the genus. These beetles are rarely encountered, though adults occasionally come to light at night.
Ecliminae
Ecliminae is a subfamily of Bombyliidae (bee flies) containing genera distributed across the New World and Australasian/Oceanian regions. The genus Lepidophora is restricted to the New World with eight species, while Marmasoma is endemic to Australia. At least some species exhibit parasitic life histories, with immature stages developing in hymenopteran hosts.
Efferia bicolor
Lesser Mesquite Hammertail
Efferia bicolor is a species of robber fly in the family Asilidae, commonly known as the Lesser Mesquite Hammertail. It belongs to the genus Efferia, a large group of predatory flies found primarily in the Americas. The species was first described by Bellardi in 1861. Like other robber flies, it is an aerial predator that captures other insects in flight.
Efferia rapax
Yellow-haired Hammertail
Efferia rapax is a species of robber fly in the family Asilidae, commonly known as the Yellow-haired Hammertail. Robber flies in this genus are predatory insects known for their aggressive hunting behavior, capturing other insects in flight. The species is part of a large and diverse genus of medium to large-sized robber flies distributed primarily in the New World. Specific biological details for E. rapax are limited in published literature.
Ephuta
Ephuta is a widespread New World genus of velvet ants (Mutillidae) whose ecology remains poorly understood. The genus contains at least nine described species in Panama alone, with additional undescribed morphospecies. Ephuta species exhibit strong seasonal variation in abundance, peaking during the transition from dry to rainy season. As cleptoparasites, they develop in the nests of spider wasps (Pompilidae), with confirmed host records including Auplopus subaurarius in Brazil.
Erythroneurini
Erythroneurini is a diverse tribe of leafhoppers in the subfamily Typhlocybinae, comprising over 180 genera. The tribe has been extensively studied in the New World and southwestern China, with major taxonomic revisions published for genera including Erythroneura, Erasmoneura, Zyginama, Eratoneura, and Erythridula. Species within this tribe exhibit complex synonymies and are associated with woody deciduous vegetation.
Erythrothrips
Erythrothrips is a genus of predatory thrips in the family Aeolothripidae, established by Moulton in 1911. The genus contains approximately 11 described species distributed primarily in the Americas, with species recorded from the southwestern United States through Mexico to Brazil. Members of this genus are predatory, placing them among the beneficial thrips that contribute to biological control of pest insects.
Esenbeckia
horse-fly
Esenbeckia is a genus of horse-flies (family Tabanidae) established by Rondani in 1863. Members are characterized by large, often vividly colored compound eyes and robust body form typical of tabanid flies. The genus is distinct from the plant genus of the same name (family Rutaceae), which was described earlier by Kunth. Species within Esenbeckia are found in the Americas and are diurnal, fast-flying insects.
Euarestoides
Euarestoides is a genus of true fruit flies in the family Tephritidae, established by Benjamin in 1934. The genus comprises six species distributed across the New World, from Canada through the Caribbean and Central America to South America. Species are associated with host plants in the Asteraceae family, particularly ragweeds (Ambrosia), sagebrushes (Hymenoclea), and related genera. The genus was revised taxonomically in 2019, with three new species described from Peru, Brazil, and Colombia.
Eublemma cinnamomea
Eublemma cinnamomea is a small moth in the family Erebidae, first described in 1868. It has a wingspan of approximately 17 mm. The species is widespread across the New World tropics, ranging from the southern United States through Central America to Argentina.
Eucelatoria
Eucelatoria is a genus of tachinid flies (Diptera: Tachinidae) comprising approximately 70 species distributed throughout the Western Hemisphere from southern Canada to northern Argentina. The genus is characterized by distinctive reproductive morphology in females of certain species groups, notably the sword-like piercer found in the E. ferox species group. Species within this genus are parasitoids of Lepidoptera larvae, with documented host associations including Noctuidae (Helicoverpa zea, Heliothis virescens, Heliothis armigera) and Crambidae caterpillars. Several species, particularly E. bryani, have been extensively studied for their potential as biological control agents of agricultural pests.
Euderces
Euderces is a genus of small longhorn beetles in the family Cerambycidae, characterized by remarkable ant-mimicry. Most species measure less than 5 mm in length and exhibit Batesian mimicry of ants, particularly species of Camponotus. The genus has its center of diversity in southern Mexico and Guatemala, with species distributed from North America through South America. Notable examples include E. velutinus, which closely resembles the tropical ant Camponotus sericeiventris. Four species occur in the United States.
Eumorpha
sphinx moths, hawk moths
Eumorpha is a New World genus of sphinx moths (Sphingidae) comprising 26 described species distributed primarily across North, Central, and South America. The genus is characterized by variable larval eyespots—circular markings on the posterior body segments that function in predator deterrence. Molecular phylogenetic studies indicate Eumorpha originated in Central and South America and subsequently expanded into North America. Adults are medium to large hawkmoths with rapid, agile flight; many species are crepuscular or nocturnal flower visitors. Larvae are hornworms that feed primarily on members of the grape family (Vitaceae), though host plant associations vary among species.
Euphalerus
Euphalerus is a genus of jumping plant lice (psyllids) in the family Psyllidae, first described by Schwarz in 1904. Members of this genus are small sap-feeding insects that inhabit the New World tropics and subtropics. The genus is distinguished by specific wing venation patterns and genitalic structures characteristic of the Psyllidae family. Euphalerus species are associated with various host plants, though specific associations remain incompletely documented.
Euphoria
flower chafers, fruit chafers
Euphoria is a genus of scarab beetles in the subfamily Cetoniinae, commonly known as flower or fruit chafers. The genus contains 59 species as of 2012 and is native to the Americas, with its highest diversity in Mexico and Central America. These beetles are characterized by their association with flowers and fruits, where adults feed and aggregate.
Euphorticus
Euphorticus is a genus of ground beetles in the family Carabidae, established by G.Horn in 1881. It belongs to the tribe Lachnophorini within the subfamily Lebiinae. The genus contains five described species distributed across the Americas, from the United States to South America.
Eurysphindus
Eurysphindus is a genus of cryptic slime mold beetles in the family Sphindidae, established by J.L. LeConte in 1878. The genus comprises eight described species distributed primarily in the New World, with most species described or revised by McHugh in 1993. Species within this genus are small, inconspicuous beetles associated with myxomycete (slime mold) fruiting bodies. The genus was comprehensively revised by McHugh (1993), who described four new species and redescribed three others.
Foxia
Foxia is a genus of cleptoparasitic wasps in the family Crabronidae, subfamily Bembicinae. The genus comprises 10 described species distributed across arid regions of the New World, from the United States south through Chile and Argentina. These wasps are obligate cleptoparasites, meaning they exploit the nests and provisions of other wasp species rather than constructing their own nests or hunting prey directly.
Galeopsomyia
Galeopsomyia is a New World genus of minute parasitoid wasps in the family Eulophidae. Species within this genus function as hyperparasitoids, attacking gall-inducing wasps of the genera Eurytoma and Torymus, and have been documented as parasitoids of gall midges (Cecidomyiidae) and the citrus leafminer. A notable species was fortuitously discovered providing biological control of the citrus pest Phyllocnistis citrella. The genus exhibits intraspecific phenotypic matching in ovipositor size relative to gall thickness.
Gibbobruchus
pea and bean weevils, seed beetles
Gibbobruchus is a genus of seed beetles in the subfamily Bruchinae (Chrysomelidae), first described by Pic in 1913. The genus contains approximately seven described species distributed in the Americas. Members are primarily associated with seeds of Bauhinia (Fabaceae) and related genera in the tribe Cercideae. The genus has been subject to recent taxonomic revision, with new species described from the Amazon basin and phylogenetic analyses supporting monophyly and distinct species groups.
Glenurus
Picture-winged Antlions
Glenurus is a New World genus of antlions in the family Myrmeleontidae, comprising approximately 12 described species. The genus is distinguished by striking wing patterning, with some species displaying black, white, and pink wingtips. Adults are delicate, slender insects with lacy wings that superficially resemble damselflies but possess short, thick, clubbed antennae. The common name "picture-winged antlions" refers to this distinctive wing coloration.
Goniotropis
Goniotropis is a genus of ground beetles in the family Carabidae, subfamily Paussinae, containing at least 40 described species. Adults are large, parallel-sided beetles found in the New World tropics. Larvae are burrow-dwelling predators with a distinctive terminal disk composed of modified urogomphi and dorsal plates. The genus ranges from southern Arizona to northern Argentina.
Halysidota
tussock moths
Halysidota is a genus of arctiine tussock moths in the family Erebidae, erected by Jacob Hübner in 1819. The genus contains approximately 40 described species distributed primarily in the Americas, with records from the United States through Central and South America to the Caribbean. Several species are well-known, including Halysidota tessellaris (pale tiger moth or banded tussock moth) and Halysidota harrisii (sycamore tussock moth). The genus has been subject to ongoing taxonomic revision, with new species and subspecies described as recently as 2017.
Haplaxius
Haplaxius is a genus of cixiid planthoppers (Hemiptera: Cixiidae) in the tribe Oecleini, containing at least 60 described species with a New World distribution. The genus was reinstated by Emeljanov in 1989 for New World species formerly placed in Myndus. Several species are economically significant as vectors of phytoplasmas causing lethal diseases in palms. Haplaxius crudus transmits Candidatus Phytoplasma palmae, the causal agent of lethal yellowing in coconut palms and lethal wilt in oil palms, causing substantial agricultural losses in the Caribbean, Central America, South America, and the southern United States.
Haplorhynchites pseudomexicanus
Haplorhynchites pseudomexicanus is a species of leaf-rolling weevil in the family Attelabidae. The genus Haplorhynchites comprises approximately 40 species distributed primarily in the New World, with most species occurring in Central and South America. H. pseudomexicanus was described by Hamilton in 1974 and is currently known from limited collection records. Like other attelabid weevils, members of this genus are associated with various host plants where adults feed on foliage and females prepare leaf rolls or other structures for oviposition.
Heilipus
pine weevils
Heilipus is a genus of New World weevils in the family Curculionidae, containing over 280 described species distributed from the southern United States to northern Argentina. The genus is characterized by two primary feeding guilds: seed borers that develop within fruits of Lauraceae, and trunk borers that tunnel into stems of host trees. Several species are significant agricultural pests, particularly of avocado (Persea americana) and other commercial crops. The Brazilian Atlantic Forest has been proposed as a possible center of origin for the genus based on high diversity of both weevils and host plants.
Hemiscolopendra
bark centipedes
Hemiscolopendra is a genus of bark centipedes in the family Scolopendridae, comprising approximately six described species distributed across North, Central, and South America. These centipedes are commonly found in wooded habitats where they inhabit bark, leaf litter, and other decaying organic matter. The genus was established by Kraepelin in 1903 and represents a moderately diverse lineage within the large-bodied scolopendrid centipedes.
Heraclides
New World Giant Swallowtails and Allies
Heraclides is a genus of swallowtail butterflies (family Papilionidae) native to the Americas, commonly referred to as the New World Giant Swallowtails and Allies. These are large, conspicuous butterflies often with bold black and yellow or black and green coloration. The genus includes species formerly classified under Papilio subgenus Heraclides, now generally treated as a distinct genus based on morphological and molecular evidence. Members are known for their strong flight and association with citrus and related host plants.