United-states
Guides
Evolenes
Evolenes is a monotypic genus of ground beetles in the family Carabidae, containing the single species Evolenes exarata. The genus was established by LeConte in 1853 and is classified within the subtribe Oodina of the tribe Oodini. The sole species is known from the United States.
Extrusanus ovatus
Extrusanus ovatus is a leafhopper species in the family Cicadellidae, first described as Euscelis ovatus by Sanders & DeLong in 1920. It belongs to the tribe Athysanini within the subfamily Deltocephalinae. The species has been documented in Kansas and California, with 85 observations recorded on iNaturalist. As a member of the true bugs (Hemiptera), it shares the characteristic piercing-sucking mouthparts typical of this order.
Fania nanus
Fania nanus is a small moth in the family Cossidae, described by Strecker in 1876. It is known from a limited distribution in the southern United States, with records from Arizona, Louisiana, Mississippi, and Texas. Adults are active from May to August and have a wingspan of approximately 28 mm.
Flexamia abbreviata
Flexamia abbreviata is a leafhopper species in the family Cicadellidae, first described by Osborn and Ball in 1897 under the basionym Deltocephalus abbreviatus. The species belongs to the genus Flexamia, a group of leafhoppers noted for their high degree of host plant specificity. It has been recorded from several central and western U.S. states including Arizona, Colorado, Illinois, Iowa, and Kansas. Like other members of its genus, it is presumed to feed on grasses, though specific host associations for this species have not been documented.
Flexamia huroni
Huron River Leafhopper
Flexamia huroni is a leafhopper species in the family Cicadellidae, described by Bess & Hamilton in 1999. It belongs to the genus Flexamia, a group of leafhoppers known for their specialized host plant associations with grasses. The species is named after the Huron River in Michigan, where it was first collected. Like other members of the genus, it likely exhibits strong ecological dependence on specific grass host plants.
leafhoppercicadellidaedeltocephalinaeparalimniniflexamiagrass-specialistmichigan-endemicauchenorrhynchahemipterainsectaarthropodaanimaliatrue-bugplanthopper-relative1999-descriptionbesshamiltonhuronihuron-riverusanorth-americagrassland-insecthost-specificpoorly-knownrareuncommondata-deficientgbifcatalogue-of-lifencbiinaturalisttaxonspeciesacceptedhexapodacicadomorphaclypeatamembracoideaparalimninaflexamia-huronibess-&-hamilton1999exact-matchaccepted-namecanonical-namescientific-nameauthorshiprankstatusmatchedtaxonomyclassificationeukaryotametazoadistributionmichiganobservations0wikipedianonepreferred-common-namehuron-river-leafhoppertrue-bugsgroupkingdomphylumclassorderfamilygenusauthorityiptintegrated-publishing-toolkitbiodiversity-data-journalzookeysnature-conservationcomparative-cytogeneticsopen-accessopen-accessjournalpublicationdatasetspecimentypenomenclatural-typeherbariumuniversity-of-granadaspainfungilichensagaricalescortinariusantonio-ortegamediterraneanfranceitalyimage-collectioncolección-de-imágenes-de-los-tipos-nomenclaturales-de-hongoslíquenesmusgos-y-algasgdagdacvizosoquesada2015doi10.3897bdj3e5204new-speciesnew-jersey-pine-barrensmuhlenbergia-torreyanapinebarren-smokegrassthreatened-speciesandrew-hicksmuseum-of-natural-historyuniversity-of-coloradogerry-moorenatural-resources-conservation-servicegreensboronculi-lorimerbrooklyn-botanic-gardenf.-whitcombirobert-whitcombmicrobiologyornithologyecologyhost-plantwarming-climatehuman-activitieszookeys-51169-79zookeys.511.9572roundwormnematodeantarcticamblydorylaimus-isokaryonipararhyssocolpus-paradoxusbulgariascanning-electron-microscopysemmaritime-antarcticantarctic-islandslip-regionspearvulvapostembryonic-developmentmolecular-analysesdorylaimidaelshishkalazarovaradoslavovhristovpeneva25-68zookeys.511.9793anidiv2bulgarian-academy-of-sciencesnational-scientific-fundoctocoralokinawajapannanipora-kamurailiving-fossilblue-coralhelioporaaragonite-calcium-carbonateskeletonscleractinianssoft-coralheliporacealithotelestidaeepiphaxumdeep-seashallow-coral-reefzamami-islandnational-parkmiyazakireimer1-23zookeys.511.9432non-biting-midgechironomusch.-bernensisnorth-caucasusrussiacaucasian-populationseuropesiberiakaryotypemorphologymouthpartslarvaechromosomegenotypic-combinationsmineralizationeutrophicationkarmokovpolukonovasinichkinatembotov-institute-of-ecology-of-mountain-territoriessaratov-state-medical-universitycomparative-cytogenetics-9281-297compcytogen.v9i3.4519sea-turtlerescue-centrefirst-aid-stationloggerheadgreen-turtlecaretta-carettachelonia-mydasbycatchmortalitygreecemigrationsexual-maturityullmannstachowitschuit-the-arctic-university-of-norwaynature-conservation-1045-69natureconservation.10.4890regional-activity-centre-for-specially-protected-areasporcupinecoendou-ichilluslower-urubambaperucanopy-bridgepipelinenatural-gasarborealcamera-trapdwarf-porcupineiquitos770ggregorylundezamora-mezacarrasco-ruedarepsol-exploración-perúzookeys-509109-121zookeys.509.9821antprionopeltamadagascarseychellessubterraneanleaf-litterdracula-anthemolymphlarval-hemolymph-feedingoophagymadagascar-biodiversity-centeroversonfisherzookeys-507115-150zookeys.507.9303itobillenmasukospideranelosimussubsocialcobweb-spidertheridiidaedeforestationbiodiversity-hotspotagnarssonuniversity-of-vermontsmithsonian-national-museum-of-natural-historywallacehuxleybuffonhookerlamarckdarwinmoramoraeriophyoid-miteacarixinjiangchinarosaceaeparacolomerusgallji-wei-liwangxuezhangzookeys-50897-111zookeys.508.8940shihezi-universitygrasshopperwyomingmelanoplusmelanoplinaeacrididaetetrigidaegomphocerniaeoedipodinaecyrtacanthacridinaedistribution-atlasfield-guidewgiswyoming-grasshopper-information-systemkeycapinerasechristhebardhelferscudderblatchleythomassayharrisdegeerbrunersaussuregirarddodgewalkerfieberfabriciusservillemcneilltinkhamburmeisterhaldemanbig-horn-mountainsblack-hillsgladstonindigensinfantilisdodgeioregonensismarshalliyellowstone-national-parksagebrushpineelevationshortgrass-prairiemixedgrass-prairieforbgrasseconomic-damagerangelandbenefitoverwinteregghatchadultlate-summeraugustoctoberjunelife-cyclefood-habitsizecollectionsurveyunderreportedcommonendemicrestricted-rangeforest-openinggrassymoderate-elevationlargersmallereastwestunited-statesamericanorthsouthcentralrangeextentlimitedrestrictedabundantpopulationdensityoccurrencepresenceabsencehabitatenvironmentconditionaltitudetopographyterrainvegetationplantshrubtreeforestopeningmeadowprairiesteppesavannawoodlanddrawslopeaspectsoilsubstratemoisturetemperatureclimateweatherseasonphenologytimingactivitynymphemergemoltdevelopgrowreproducemateovipositdiegenerationvoltinismunivoltinebivoltinemultivoltinesemivoltinediapauseaestivationhibernationdispersalmovementbehaviorhabitactionfeedingdietfoodhostassociationrelationshipinteractionspecialistgeneralistmonophagyoligophagypolyphagyherbivoredetritivorepredatorparasitoidscavengereconomic-importancepestbeneficialneutraldamagecontrolmanagementconservationthreatenedendangeredvulnerablesecureunknownglobal-biodiversity-information-facilityesbiodiversity-image-portalspanish-collectionstype-specimenlichenantarcticabernensisliyellowstoneFrederickus
Frederickus is a genus of dwarf spiders (family Linyphiidae) endemic to North America. It was established in 2008 and contains two described species: F. coylei and F. wilburi. Both species are found in Canada and the United States. The genus belongs to the sheet-web weaving spiders, though specific web-building behaviors for Frederickus remain undocumented.
Furcula gigans
Furcula gigans is a moth species in the family Notodontidae, first described by McDunnough in 1922. The species has been recorded across central and western Canada and the northeastern United States. Taxonomic status varies by source: Catalogue of Life treats it as accepted, while GBIF lists it as a synonym of Furcula occidentalis. Like other members of the genus Furcula, it belongs to the prominent moth group characterized by distinctive larval morphology including a forked tail-like structure.
Garriscaphus amplus
Garriscaphus amplus is a species of soil centipede in the family Himantariidae, described by Chamberlin in 1941. As a member of the order Geophilomorpha, it is an elongate, multi-legged myriapod adapted for burrowing through soil and leaf litter. The genus Garriscaphus is poorly known, and this species has received limited study. Available records indicate it occurs in the United States, though specific ecological details remain largely undocumented.
Gastrops nebulosus
Gastrops nebulosus is a species of shore fly in the family Ephydridae, described by Coquillett in 1900. The genus Gastrops belongs to a group of flies commonly associated with aquatic or semi-aquatic habitats. Information regarding specific biology and ecology of this species remains limited in published literature.
Genea brevirostris
Genea brevirostris is a species of bristle fly in the family Tachinidae, first described by James in 1947. The species is known from the United States and represents one of the less documented members of the genus Genea. As a tachinid fly, it likely functions as a parasitoid, though specific host relationships remain unverified. The specific epithet 'brevirostris' refers to a short rostrum or proboscis.
Geolycosa fatifera
Geolycosa fatifera is a burrowing wolf spider in the family Lycosidae, found in the United States. As a member of the genus Geolycosa, it spends the majority of its life in a deep burrow. The species was first described by Nicholas Marcellus Hentz in 1842. Like other Geolycosa species, it exhibits traits associated with fossorial (burrowing) existence, including stout front legs adapted for digging.
Geolycosa gosoga
Geolycosa gosoga is a species of burrowing wolf spider in the family Lycosidae. It is endemic to the United States, with records from the southwestern and south-central regions including New Mexico and surrounding areas. As a member of the genus Geolycosa, it constructs deep, silk-lined burrows in sandy soils and is primarily nocturnal.
Geolycosa micanopy
Geolycosa micanopy is a burrowing wolf spider species in the family Lycosidae, described by Wallace in 1942. It is known from the United States. As a member of the genus Geolycosa, it constructs deep, silk-lined burrows in sandy substrates. A laboratory study has examined burrow establishment behavior in young individuals of this species in relation to microhabitat conditions and prey availability.
Geolycosa riograndae
Geolycosa riograndae is a species of burrowing wolf spider in the family Lycosidae, first described by Wallace in 1942. It belongs to a genus characterized by deep, silk-lined burrows and fossorial habits. The species is known from the United States, with records primarily from the southwestern region including New Mexico. Like other Geolycosa species, it exhibits the elevated cephalothorax and stout digging appendages typical of burrowing wolf spiders.
Geomysaprinus goffi
Geomysaprinus goffi is a species of clown beetle (family Histeridae) described by Ross in 1940. It belongs to the genus Geomysaprinus, a group of histerid beetles often associated with mammal burrows. The species is known from scattered records in the southern United States.
Gliaspilota glutinosa
Gliaspilota glutinosa is a species of gall midge in the family Cecidomyiidae, described by Osten Sacken in 1862. As a member of this family, it is likely associated with plant gall formation, though specific host plants and gall morphology remain poorly documented. The species has been recorded from the northeastern United States, with Vermont being a documented location.
Glyphidocera democratica
Glyphidocera democratica is a small moth in the family Autostichidae, described by Edward Meyrick in 1929. It is known from the southeastern and south-central United States, with records from Alabama, Arkansas, Florida, Kentucky, Louisiana, Mississippi, North Carolina, Tennessee, Texas, and West Virginia. The species has a wingspan of 16–18 mm. Despite its specific epithet "democratica," the name does not reflect any known behavioral characteristics of the species.
Glyptocolastes texanus
Glyptocolastes texanus is a species of parasitoid wasp in the family Braconidae, first described by William H. Ashmead in 1900. It belongs to a genus of braconid wasps whose members are typically associated with parasitizing beetle larvae. The species is recorded from Hawaii and the continental United States.
Gonia sagax
Gonia sagax is a species of tachinid fly described by Townsend in 1892. As a member of the family Tachinidae, it is a parasitoid fly, though specific host relationships for this species remain undocumented in the available literature. The species is known to occur in the United States, with records indicating presence in North America. Like other tachinids, adults likely visit flowers for nectar, but detailed behavioral and ecological studies specific to G. sagax are lacking.
Gowdeyana punctifera
Gowdeyana punctifera is a soldier fly species in the family Stratiomyidae, subfamily Pachygastrinae. First described by Malloch in 1915, this species has been recorded across much of North America. The genus Gowdeyana contains relatively few described species, and this taxon remains poorly documented in the scientific literature.
Gymnocarena bicolor
Gymnocarena bicolor is a species of tephritid fruit fly in the family Tephritidae, described by Foote in 1960. It belongs to the genus Gymnocarena within the tribe Xyphosiini. The species is known from limited observations, with records indicating a distribution in Mexico and the United States.
Gyponana cacumina
Gyponana cacumina is a species of leafhopper in the family Cicadellidae, described by DeLong in 1942. Like other members of its genus, it produces brochosomes—complex protein-lipid nanoparticles that form a superhydrophobic, anti-reflective coating on its body and wings. The species has been recorded from multiple states in the northeastern United States and Arizona.
Gyponana ortha
Gyponana ortha is a species of leafhopper in the family Cicadellidae, first described by DeLong in 1942. As a member of the genus Gyponana, it is known to produce brochosomes—complex protein-lipid nanoparticles that form a superhydrophobic, anti-reflective coating on the exoskeleton. The species has been documented in the eastern and midwestern United States, including records from Florida, Illinois, Indiana, Iowa, and the District of Columbia. Like other leafhoppers, it is a plant-feeding insect with piercing-sucking mouthparts.
Gyponana palma
Gyponana palma is a species of leafhopper in the family Cicadellidae, described by DeLong in 1942. Like other members of the genus Gyponana, it produces brochosomes—nanoparticles that coat its body and wings, providing superhydrophobic and anti-reflective properties. The species has been documented in scattered records across the eastern and central United States.
Gyponana parallela
Gyponana parallela is a species of leafhopper in the family Cicadellidae, first described by DeLong in 1942. As a member of the genus Gyponana, it produces brochosomes—complex nanoparticles that create a superhydrophobic, anti-reflective coating on its body. The species has been recorded from the District of Columbia, Pennsylvania, and Washington State. Like other leafhoppers, it is a plant-feeding insect with piercing-sucking mouthparts.
Gyponana tenella
Gyponana tenella is a species of leafhopper in the family Cicadellidae. Leafhoppers in the genus Gyponana have been documented producing distinctive brochosomes—nanoparticles that create a water-repellent, anti-reflective coating on the exoskeleton. The species has been recorded in multiple U.S. states including California, Colorado, Florida, Georgia, and Illinois. As a member of the subfamily Iassinae, it belongs to a diverse group of plant-feeding insects typically associated with woody vegetation.
Gypsonoma fasciolana
Willow-and-poplar Leafroller
Gypsonoma fasciolana is a tortricid moth species known as the Willow-and-poplar Leafroller. The species is associated with willow and poplar host plants, as indicated by its common name. It has been documented across parts of Canada and the northern United States.
Habronattus signatus
Habronattus signatus is a species of jumping spider in the family Salticidae. It is found in the United States and Mexico. As a member of the genus Habronattus, it belongs to a diverse group of small, ground-dwelling jumping spiders known for elaborate courtship displays. The genus is particularly diverse in the southwestern United States.
Hadoa chisosensis
Southern Piñon Sun-Singer
Hadoa chisosensis is a species of annual cicada in the genus Hadoa, native to Texas and adjacent areas of northern Mexico. The species is commonly known as the Southern Piñon Sun-Singer. As a member of the Cicadidae family, it produces acoustic signals typical of cicadas. The specific epithet 'chisosensis' refers to the Chisos Mountains region of Texas, indicating its association with this geographic area.
Hadrobunus grandis
Hadrobunus grandis is a harvestman (Opiliones) species found in the eastern and central United States. Adults are active in early summer. The species was first described by Thomas Say in 1821. It belongs to the family Sclerosomatidae, a diverse group of long-legged arachnids commonly encountered in temperate North American forests and woodlands.
Haematopota americana
horse fly
Haematopota americana is a species of horse fly in the family Tabanidae, first described by Osten Sacken in 1875. It belongs to a genus known for blood-feeding females that are persistent pests of mammals, including humans and livestock. The species is recorded from the United States, though specific details about its biology and ecology remain limited in published literature. Like other horse flies, it likely has aquatic or semi-aquatic larval stages and terrestrial adults.
Haplaxius enotatus
Haplaxius enotatus is a species of planthopper in the family Cixiidae, first described by Van Duzee in 1909. It belongs to the tribe Oecleini and is one of approximately 50 species in the genus Haplaxius. The species has been documented in six iNaturalist observations, indicating it is infrequently encountered or underreported.
Haplaxius glyphis
Haplaxius glyphis is a species of planthopper in the family Cixiidae, described by Kramer in 1979. It belongs to a genus of small, inconspicuous insects that inhabit forested and vegetated environments. The species is recorded from northeastern North America, with documented occurrences in the United States and Canada.
Haplaxius impiger
Haplaxius impiger is a species of planthopper in the family Cixiidae, first described by Ball in 1902. It belongs to the tribe Oecleini within the subfamily Cixiinae. Records indicate presence in Colorado and New Mexico, though specific ecological details remain limited in available sources.
Haplaxius wheeleri
Haplaxius wheeleri is a species of planthopper in the family Cixiidae, described by Wilson in 1996. It belongs to the tribe Oecleini within the subfamily Cixiinae. The species has been documented from the northeastern United States, specifically New Jersey and Pennsylvania. As a member of the Auchenorrhyncha, it is a phloem-feeding insect associated with vascular plants.
Harpalus cordatus
Harpalus cordatus is a species of ground beetle in the family Carabidae. It is found in the United States, with records primarily from North America. The species has been historically placed in the genus Ophonus as O. (Metophonus) cordatus based on Duftschmid's 1812 description, but modern taxonomy recognizes it under Harpalus. Information on its biology and ecology is sparse, reflecting limited study of this particular species.
Hebata bifurcata
Hebata bifurcata is a species of leafhopper in the family Cicadellidae, first described by DeLong in 1931. It belongs to the order Hemiptera, a group characterized by piercing-sucking mouthparts. The species has been documented in several eastern U.S. states.
Hecalus major
Hecalus major is a species of leafhopper in the family Cicadellidae, first described by Osborn in 1915 under the basionym Parabolocratus major. It belongs to the tribe Hecalini within the subfamily Deltocephalinae. The species has been documented in several Midwestern and Northeastern U.S. states.
Helluomorphoides praeustus bicolor
Helluomorphoides praeustus bicolor is a subspecies of ground beetle in the family Carabidae, tribe Helluonini. It is one of two recognized subspecies of H. praeustus, distinguished by its bicolored elytral pattern. The subspecies was described by T.W. Harris in 1828 and occurs in North America, with confirmed records from the United States. Like other members of the genus, it belongs to a group of carabid beetles sometimes referred to as 'bombardier beetles' or 'flanged bombardier beetles' due to defensive chemical capabilities found in related taxa, though specific defensive chemistry for this subspecies has not been documented.
Hermetia subpellucida
Hermetia subpellucida is a species of soldier fly in the family Stratiomyidae. It is one of approximately 30 species in the genus Hermetia, which includes the well-known black soldier fly (Hermetia illucens). The species was described by James and Wirth in 1967. Information specific to its biology and ecology remains limited in published literature.
Heteropogon maculinervis
Heteropogon maculinervis is a species of robber fly in the family Asilidae, described by James in 1937. The genus Heteropogon comprises small to medium-sized predatory flies known for their distinctive courtship behaviors. As with other asilids, adults are aerial predators that capture other insects in flight. The species name 'maculinervis' refers to spotted or marked wing veins.
Holophysis emblemella
Holophysis emblemella is a small moth species in the family Gelechiidae, described by James Brackenridge Clemens in 1860. It occurs across eastern and central North America, with records spanning from New York south to Florida and west to Wisconsin. The species is one of approximately 221 observations documented on iNaturalist, indicating it is encountered with moderate frequency by observers. As with many gelechiid moths, detailed life history information remains limited.
Homoeosoma parvalbum
Homoeosoma parvalbum is a species of snout moth (family Pyralidae, subfamily Phycitinae) described in 1985 by André Blanchard and Ed Knudson. It is currently known only from Texas, United States. No ecological or biological details have been documented for this species in published literature.
Hoplitimyia constans
Hoplitimyia constans is a species of soldier fly in the family Stratiomyidae, distributed in the United States. The genus Hoplitimyia includes species with aquatic larvae and adults that often exhibit wasp-mimicking coloration and behavior. Members of this genus are known for their flighty behavior and attraction to flowers. The specific epithet "constans" was established by Loew in 1872, originally described under the genus Stratiomyia.
Hydrellia valida
Hydrellia valida is a species of shore fly in the family Ephydridae, described by Loew in 1862. Members of this genus are commonly known as leaf-miner flies, with larvae that develop within aquatic or semi-aquatic plant tissues. The species is recorded from the United States, though specific ecological details remain poorly documented.
Hydrophilus insularis
Hydrophilus insularis is a water scavenger beetle in the family Hydrophilidae. It is distributed across a broad geographic range from northern South America through the Caribbean, Central America, and Mexico into the southern United States. The species is aquatic and belongs to a genus known for scavenging behavior in freshwater habitats.
Hylis terminalis
Hylis terminalis is a Nearctic species of false click beetle (family Eucnemidae, subfamily Melasinae). It is one of six Hylis species recorded from the Nearctic region and was included in a 2024 taxonomic revision that provided imaging and diagnostic characters to distinguish it from congeners including H. frontosus, H. olexai, and the newly described H. delicatus. The species is known from eastern and central Canada and the United States.
Hypatopa vestaliella
Hypatopa vestaliella is a small moth species in the family Blastobasidae. It was originally described under the genus Holcocera before being transferred to Hypatopa. The species is known from the northeastern United States, with confirmed records from Maryland, Massachusetts, Pennsylvania, and Maine.
Hypogastrura harveyi
snow flea
Hypogastrura harveyi, commonly known as the snow flea, is a species of springtail in the family Hypogastruridae. It is one of several springtail species referred to as 'snow fleas' due to its habit of appearing on snow during winter months. The species was described by J.W. Folsom in 1902. Springtails in this genus possess a furcula (springing organ) that allows them to escape predators by leaping.
Hystrichophora loricana
Coppery Orbexilum
Hystrichophora loricana is a rare tortricid moth species endemic to the United States. It belongs to the leafroller moth family, with caterpillars that construct shelters by rolling leaves. The species has a highly specialized diet, feeding exclusively on Orbexilum onobrychis. It is poorly documented in scientific literature and field observations.