Endemic
Guides
Copris howdeni
Howden's copri
Copris howdeni is a species of dung beetle in the family Scarabaeidae. It is native to the southeastern United States, with records from Florida, Georgia, South Carolina, and Virginia. Like other members of the genus Copris, it is likely associated with mammal dung for feeding and larval development. The species was described by Matthews and Halffter in 1959.
Cordulegaster sayi
Say's spiketail
Cordulegaster sayi, commonly known as Say's spiketail, is a dragonfly species in the family Cordulegastridae. It is endemic to the United States. The species belongs to a genus characterized by prominent spikelike ovipositors in females, a trait referenced in the common name 'spiketail.'
Cordylospasta opaca
Cordylospasta opaca is a large, black blister beetle (Meloidae) endemic to arid regions of central and southern California. Males are fully winged and reach 12 mm in length, while females are flightless with reduced elytra and reach 19 mm. The species is distinguished from its closest relative, C. fulleri, by having 11 antennal segments (versus 8-10 in C. fulleri) and by its strictly allopatric distribution. Six biological races, equivalent to subspecies, have been recognized based on step-clinal geographic variation in seven anatomical characters.
Cosumnoperla
Cosumnoperla is a genus of stoneflies in the family Perlodidae, established by Szczytko & Bottorff in 1987. It is classified within the subfamily Isoperlinae and is endemic to California. The genus represents a small group of western Nearctic perlodid stoneflies.
Cotalpa conclamara
Texas goldsmith beetle
Cotalpa conclamara, known as the Texas goldsmith beetle, is a species of shining leaf chafer in the family Scarabaeidae. It was described by Young in 2002. The species is endemic to Texas and belongs to a genus of metallic beetles commonly called goldsmith beetles.
Cotinis aliena
Keys green June beetle
Cotinis aliena, commonly known as the Keys green June beetle, is a critically imperiled scarab beetle endemic to extreme southern Florida. The species has not been observed since 1998 and is known from only four localities: three in the Florida Keys and one in southern peninsular Florida. Its extreme rarity and apparent extirpation risk make it one of North America's most endangered beetle species.
Crambus daeckellus
Daecke's pyralid moth, Daecke's Silverstreak
Crambus daeckellus is a small moth in the family Crambidae, first described by Frank Haimbach in 1907. It is considered endemic to the New Jersey Pine Barrens, a restricted range that makes it of conservation interest. The species inhabits pine-dominated ecosystems and is one of several Crambus species specialized to this unique habitat.
Crambus gausapalis
Crambus gausapalis is a moth in the family Crambidae, described by George Duryea Hulst in 1886. It is known from California in western North America. As a member of the genus Crambus, it belongs to a group commonly known as grass-veneers or webworms, though specific biological details for this species remain poorly documented.
Crambus rickseckerellus
A small grass moth in the family Crambidae, described by Alexander Barrett Klots in 1940. The species is endemic to California and was named in honor of entomologist Lucius Edgar Ricksecker. It belongs to a large genus of grass-veneer moths, though specific ecological details remain poorly documented.
Crangonyx richmondensis
Ellis Bog Crangonyctid
A small freshwater amphipod crustacean endemic to North America. The species exhibits an annual life cycle with distinct seasonal breeding patterns. Populations are restricted to specific freshwater habitats with particular substrate and vegetation characteristics. Two subspecies have been described: C. r. richmondensis and C. r. laurentianus, with the latter studied in detail in Algonquin Park, Ontario.
Crinodessus
Crinodessus is a monotypic genus of predaceous diving beetles in the family Dytiscidae. The genus contains a single species, Crinodessus amyae, described by K.B. Miller in 1997. This genus belongs to the tribe Bidessini within the subfamily Hydroporinae.
Crossidius coralinus caeruleipennis
Crossidius coralinus caeruleipennis is a subspecies of longhorned beetle in the family Cerambycidae, tribe Trachyderini. It is considered among the most visually striking of the C. coralinus subspecies due to its bright orange coloration. The subspecies is endemic to the Owens Valley of eastern California, where adults are found on flowers of gray rabbitbrush (Ericameria nauseosa). It was described by Linsley in 1957 and is distinguished from other orange-colored subspecies by its larger size and reduced black markings.
Crossidius grahami
Ohoopee Dunes Crossidius Beetle
Crossidius grahami is a longhorned beetle (Cerambycidae) described in 2013 from southern Georgia. It is restricted to a highly specific host plant, woody goldenrod (Chrysoma pauciflosculosa), a perennial asteraceous shrub of coastal sand dunes and scrub. The species was discovered incidentally when collectors reared adults from root crowns while attempting to rear a different undescribed cerambycid. Adults are found primarily on lower stems of living plants.
Crossidius hirtipes flavescens
Crossidius hirtipes flavescens is a subspecies of longhorned beetle in the tribe Trachyderini, originally described as C. rhodopus flavescens by Chemsak & Linsley in 1959 and later transferred to C. hirtipes by Linsley & Chemsak in 1961. It is one of 16 recognized subspecies of C. hirtipes, a species characterized as 'probably the most diverse species within the genus.' The subspecies is known from a restricted area around Kennedy Meadow in Tulare County, California, and has been documented on yellow rabbitbrush (Chrysothamnus viscidiflorus).
Crossidius hirtipes rhodopus
Crossidius hirtipes rhodopus is a subspecies of longhorned beetle in the tribe Trachyderini, originally described as a full species by Linsley in 1955 but later treated as a subspecies of the highly polytopic C. hirtipes. It is endemic to the Mono Basin of east-central California and is among the most distinctive of all C. hirtipes subspecies due to its dark reddish-brown coloration. Adults are active in late summer and early fall, feeding on flower heads of yellow rabbitbrush (Chrysothamnus viscidiflorus).
Cryptomaster
daddy longlegs
Cryptomaster is a genus of armoured harvestmen (Opiliones) in the family Cryptomastridae, established in 1969 and containing two described species: C. leviathan and C. behemoth. Both species are endemic to the mountains of southwest Oregon and represent short-range endemic arachnids. The genus remained understudied for decades until 2016, when expanded distributional records of C. leviathan prompted discovery of the second species. These harvestmen belong to the suborder Laniatores, characterized by relatively short legs and cryptic habits in forest floor habitats.
Cryptomaster leviathan
Leviathan harvestman
Cryptomaster leviathan is a harvestman (opilionid arachnid) from southeastern Oregon, described in 1969. It is notable for its relatively large body size compared to other travunioid Laniatores, which inspired its name referencing the biblical Leviathan. The species was the sole member of its genus until the 2016 discovery of its congener C. behemoth. Populations show surprisingly low genetic divergence across an expanded range spanning multiple mountain ranges.
Cuterebra cuniculi
rabbit bot fly
Cuterebra cuniculi is a New World skin bot fly endemic to Georgia and Florida. Its larvae are obligate parasites of the eastern cottontail (Sylvilagus floridanus) and marsh rabbit (Sylvilagus palustris), developing subcutaneously in warbles. Adults are short-lived, lack functional mouthparts, and do not feed.
Cybaeus
Soft Spiders
Cybaeus is a genus of araneomorph spiders in the family Cybaeidae, first described by Ludwig Carl Christian Koch in 1868. The genus contains approximately 198 species distributed across America, Europe, Japan, Korea, and China. North American species are classified into Holarctic and Californian clades, with many exhibiting restricted geographic ranges and conservation concerns. Females of different species are difficult to distinguish, particularly in North America; species identification relies heavily on examination of male pedipalps.
Cyclocosmia torreya
Torreya Trapdoor Spider
Cyclocosmia torreya is a cork-lid trapdoor spider endemic to the Apalachicola River region of Florida. The species constructs burrows sealed with a hardened, disk-like abdominal shield that serves as a defensive plug against predators. It belongs to a genus characterized by this unique abdominal truncation, which has evolved independently as an anti-predator adaptation. The species is rare and poorly known, with only a handful of documented observations.
Cyphophthalmi
Mite Harvestmen
Cyphophthalmi is a suborder of harvestmen (Opiliones) comprising six families grouped into three infraorders: Boreophthalmi, Scopulophthalmi, and Sternophthalmi. Adults range from 1 to 7 mm in length with relatively short legs compared to other harvestmen. The suborder is characterized by unique morphological features including elevated cone-shaped ozophores, a spermatopositor instead of a true penis in males, and a completely open gonopore lacking a genital operculum. Many species are eyeless and inhabit leaf litter or caves. Cyphophthalmi represents one of two major lineages of harvestmen, with the other lineage (Phalangida) containing Laniatores, Dyspnoi, and Eupnoi.
Cyrtophyllicus chlorum
Chaparral Shieldback
Cyrtophyllicus chlorum is a rare species of shield-backed katydid in the family Tettigoniidae. It is the sole described species in the genus Cyrtophyllicus. The species has been documented in limited localities in California, with observations concentrated in the Winters area. Its rarity and restricted distribution make it of particular interest to entomologists and naturalists.
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.
Dahana atripennis
Black-winged Dahana, Black-winged Dahana Moth
Dahana atripennis, commonly known as the Black-winged Dahana, is a moth species in the subfamily Arctiinae (tiger moths). First described by Augustus Radcliffe Grote in 1875, this species is restricted to the southeastern United States. Adults are active year-round in Florida, with larvae feeding specifically on Spanish moss (Tillandsia usneoides).
Daihinibaenetes
sand-treader crickets
Daihinibaenetes is a genus of sand-treader crickets endemic to arid regions of the southwestern United States. The genus comprises three described species: D. arizonensis (painted desert sand-treader cricket), D. giganteus (giant sand-treader cricket), and D. tanneri (Utah sand-treader cricket). These crickets are specialized for life in sandy desert environments. The genus was established by Tinkham in 1962.
Daihinibaenetes arizonensis
Arizona giant sand treader cricket
Daihinibaenetes arizonensis is a wingless orthopteran in the family Rhaphidophoridae, endemic to sand dune habitats near Petrified Forest National Park in Arizona. It is among the largest members of its genus, with collected specimens exceeding 2 cm in length. The species exhibits nocturnal activity and specialized fossorial behavior, digging burrows up to 18 inches deep in sand. It is active primarily in spring and is presumed to perish during summer heat.
Daihinibaenetes tanneri
Utah sand-treader cricket
Daihinibaenetes tanneri is a species of camel cricket endemic to sandy habitats in Utah. It belongs to the family Rhaphidophoridae, commonly known as cave crickets or camel crickets. The species is named after the entomologist Wilmer W. Tanner. Very few observations exist, with only four records documented on iNaturalist.
Dalopius cognatus
Dalopius cognatus is a species of click beetle (family Elateridae) described by W.J. Brown in 1934. It is native to eastern Canada, with documented occurrences in New Brunswick, Nova Scotia, Ontario, and Quebec. As a member of the Elateridae, it possesses the characteristic clicking mechanism used for righting itself when overturned. The species is represented by 13 observations on iNaturalist, suggesting it is not frequently encountered or may be underreported.
Dalopius vagus
Dalopius vagus is a species of click beetle in the family Elateridae, described by W.J. Brown in 1934. It is a small to medium-sized beetle endemic to eastern Canada. The species is poorly documented in scientific literature, with limited ecological or behavioral studies available.
Darlingtonea
Darlingtonea is a monotypic genus of cave-dwelling ground beetles (Carabidae) containing a single species, D. kentuckensis. This trechine beetle is endemic to eastern Kentucky's karst cave systems, where it functions as a top terrestrial predator specialized for high-humidity subterranean environments. The genus exhibits extreme physiological specialization, with narrow humidity tolerance identified as a critical vulnerability to climate change.
Darlingtonea kentuckensis
A troglobitic cave beetle endemic to eastern Kentucky karst systems. Adults measure 7.3–7.7 mm. The species exhibits surprisingly broad thermal tolerance (threshold ~20–24°C, mortality at 30°C within 24 hours), suggesting remnant physiological characteristics from epigean ancestors. However, it shows extreme specialization for constant high-humidity environments, with survival declining dramatically below 100% relative humidity and mortality within 3 days at 50–80% RH. Population densities can exceed 100 individuals per sand bank in suitable cave habitats.
Dasycerus carolinensis
Dasycerus carolinensis is a flightless rove beetle endemic to the southern Appalachian Mountains of eastern North America. Phylogeographic studies reveal deep genetic divergence between populations east and west of the French Broad River, with divergence estimated at approximately 5.8 million years ago. The species inhabits forest leaf litter and shows evidence of cryptic differentiation across its range. Despite being flightless, it has persisted across both old-growth forest fragments and secondary growth forests.
Dasycerus unicoi
Dasycerus unicoi is a species of rove beetle in the subfamily Dasycerinae, a small group of beetles characterized by their distinctive compact, rounded body form that differs markedly from the typically elongate shape of most staphylinids. The species epithet 'unicoi' references the Unicoi Mountains, part of the southern Appalachian range in eastern Tennessee and western North Carolina. This beetle is associated with high-elevation forest habitats in the Great Smoky Mountains region.
Dasymutilla thetis
minute thistledown velvet ant, Little Velvet Ant
Dasymutilla thetis, commonly known as the minute thistledown velvet ant, is a small velvet ant species endemic to Arizona. First described by Charles A. Blake in 1886 as Sphaerophthalma thetis, it was later transferred to Dasymutilla. The species is notable for its entirely white-furred females, which participate in a Müllerian mimicry complex among pale desert velvet ants. Its small size (approximately 7 mm) distinguishes it from larger thistledown velvet ants such as Dasymutilla gloriosa.
Decodes asapheus
Decodes asapheus is a species of tortricid moth described by Jerry A. Powell in 1980. It belongs to the tribe Cnephasiini within the subfamily Tortricinae. The genus Decodes is endemic to the Hawaiian Islands, and this species is one of several described from this isolated archipelago. Like other Cnephasiini, it is presumed to have a larval stage that feeds on plant material, though specific host records for this species are not documented.
Deinopteroloma subcostatum
weakly-ribbed ocellate rove beetle
Deinopteroloma subcostatum is a rove beetle endemic to the Pacific Northwest of North America. It was originally described as Lathrimaeum subcostatum by Mäklin in 1852 and later transferred to Deinopteroloma. The species is distinguished by its large, robust body with contrasting black and gold coloration and distinctive feathery antennae.
Dendroctonus mexicanus
Mexican bark beetle
Dendroctonus mexicanus is a bark beetle native to Mexico and Central America, recognized as the most widely distributed and destructive bark beetle in Mexico. It colonizes more than 21 pine species and causes significant tree mortality in coniferous forests. The species' population dynamics are strongly influenced by climate variables, particularly temperature and precipitation, with outbreak risk increasing under warmer, drier conditions. It is considered a major forest pest affecting wood supply and ecosystem services.
bark-beetleforest-pestpineMexicoclimate-changeDendroctonusScolytinaeconiferphloem-feederoutbreakbiotic-regulatorMaxEnt-modelinghost-specificityTrans-Mexican-Volcanic-BeltSierra-Madre-del-SurCentral-Americaentomologyforest-healthintegrated-pest-managementsemiochemicalstree-mortalityecological-niche-modelingsuitable-habitatprecipitationtemperatureelevation-gradientPinusmonterey-pineoocarpa-pinemaximinoi-pinechiapas-pineinfestation-riskfuture-scenariosforest-managementconservationecosystem-serviceswood-supplysouthern-pine-beetlecoexistenceGran-Desierto-de-SonoraMichoacánendemiceruptive-herbivorephloemgallerypitch-tubesresindefensemutualismcompetitionniche-overlapbioclimatic-variablesMaxEntkuenmR-packagemodeling-algorithmquadratic-responseBio-1annual-mean-temperaturesuitabilityexpansionnorthward-shiftupward-elevation-shifthabitat-losshost-availabilitypopulation-dynamicsfiretree-densitytopographydroughtwarmingmultiple-generationssister-broodsoverwinteringdiapauseflight-musclesreproductionmass-attackaggregation-pheromonesfrontalinexo-brevicominolfactory-signalingelectroantennographic-detectiongas-chromatographyantennahost-locationhost-selectionpioneer-beetlestree-killingblue-staining-fungusOphiostomaCeratocystisvectordisease-agentforest-pathologysilviculturecut-and-leavecut-and-removesuppressionmanagementmonitoringpheromone-baited-trapfunnel-trapaerial-surveytree-mortality-detectionBohart-MuseumUC-DavisUSDA-Forest-ServiceSteve-Seyboldinvasive-specieswalnut-twig-beetlegoldspotted-oak-borerpolyphagous-shot-hole-borerfirewoodTrojan-horsecamperstree-transportspreaddetectionpreventionquarantineregulatorypolicystakeholderlandownerpublic-landprivate-landpermitcontractbidcrewdelaytreatmentflexibilitytweakoptimizationproductivityresearchgrower-educationextensionoutreacheducationmuseumcollectionspecimenscanning-electron-microscopemagnificationwood-sculptureartcraftchildrenactivityornamentwhite-firwalking-stickMadagascar-hissing-cockroachpraying-mantistarantulagift-shopopen-housefamily-friendlyfreeadmissiondorm-move-inclasscareerfuncabbage-white-butterflyeducatorvolunteerassociatesenior-museum-scientisteducation-and-outreach-coordinatordirectorprofessorgraduate-studentundergraduate-studentjunior-specialistlectureraffiliateresearch-entomologistforest-health-protectionforest-health-officerforest-health-specialistassistant-professorClemson-UniversityUniversity-of-MinnesotaUniversity-of-CaliforniaColorado-State-UniversityKansas-State-UniversityUniversity-of-GeorgiaUniversity-of-MichiganUniversity-of-NebraskaBrigham-Young-UniversityMontana-State-UniversityNorth-Dakota-State-UniversitySouth-Dakota-State-UniversityNew-Mexico-State-UniversityArizona-State-UniversityUniversity-of-OklahomaUniversity-of-TexasUniversity-of-FloridaUniversity-of-WashingtonOregon-State-UniversityUniversity-of-IdahoUniversity-of-WyomingUniversity-of-AlbertaUniversity-of-SaskatchewanUniversity-of-ManitobaUniversity-of-British-ColumbiaMcGill-UniversityUniversity-of-TorontoUniversity-of-GuelphUniversity-of-WaterlooUniversity-of-OttawaUniversity-of-CalgaryUniversity-of-LethbridgeUniversity-of-ReginaUniversity-of-WinnipegBrandon-UniversityTrent-UniversityYork-UniversityRyerson-UniversityConcordia-UniversityUniversité-de-MontréalUniversité-LavalUniversité-du-QuébecUniversité-de-SherbrookeUniversité-de-MonctonDalhousie-UniversityAcadia-UniversitySt.-Francis-Xavier-UniversityMount-Allison-UniversityUniversity-of-Prince-Edward-IslandMemorial-University-of-NewfoundlandUniversity-of-New-BrunswickSt.-Thomas-UniversityBishop's-UniversityChamplain-CollegeDawson-CollegeVanier-CollegeJohn-Abbott-CollegeMarianopolis-CollegeCollège-de-MaisonneuveCégep-du-Vieux-MontréalCégep-de-Saint-LaurentCégep-de-RosemontCégep-André-LaurendeauCégep-de-Bois-de-BoulogneCégep-Gérald-GodinCégep-de-LimoilouCégep-de-Sainte-FoyCégep-de-Lévis-LauzonCégep-de-ThetfordCégep-de-VictoriavilleCégep-de-DrummondvilleCégep-de-Saint-HyacintheCégep-de-Sorel-TracyCégep-de-Trois-RivièresCégep-de-ShawiniganCégep-de-La-PocatièreCégep-de-RimouskiCégep-de-MataneCégep-de-Sept-ÎlesCégep-de-Baie-ComeauCégep-de-JonquièreCégep-de-ChicoutimiCégep-de-AlmaCégep-de-Saint-FélicienCégep-de-RobervalCégep-de-La-TuqueCégep-de-Dolbeau-MistassiniCégep-de-Saint-JérômeCégep-de-MontmorencyCégep-de-l'OutaouaisCégep-de-HeritageCégep-de-Saint-Jean-sur-RichelieuCégep-de-ValleyfieldCégep-de-GranbyHarvard-UniversityYale-UniversityPrinceton-UniversityColumbia-UniversityCornell-UniversityDartmouth-CollegeBrown-UniversityUniversity-of-PennsylvaniaMassachusetts-Institute-of-TechnologyStanford-UniversityCalifornia-Institute-of-TechnologyUniversity-of-ChicagoNorthwestern-UniversityDuke-UniversityJohns-Hopkins-UniversityGeorgetown-UniversityVanderbilt-UniversityRice-UniversityUniversity-of-Notre-DameEmory-UniversityWashington-University-in-St.-LouisCarnegie-Mellon-UniversityUniversity-of-Southern-CaliforniaUniversity-of-VirginiaWake-Forest-UniversityTufts-UniversityBoston-CollegeBrandeis-UniversityNew-York-UniversityUniversity-of-North-CarolinaUniversity-of-California-BerkeleyUniversity-of-California-Los-AngelesUniversity-of-California-San-DiegoUniversity-of-California-Santa-BarbaraUniversity-of-California-DavisUniversity-of-California-IrvineUniversity-of-California-Santa-CruzUniversity-of-California-RiversideUniversity-of-California-MercedUniversity-of-California-San-FranciscoUniversity-of-Texas-AustinUniversity-of-Texas-DallasUniversity-of-Texas-ArlingtonUniversity-of-Texas-San-AntonioUniversity-of-Texas-El-PasoUniversity-of-Texas-Rio-Grande-ValleyUniversity-of-Texas-TylerUniversity-of-Texas-Permian-BasinTexas-A&M-UniversityTexas-A&M-University-Corpus-ChristiTexas-A&M-University-KingsvilleTexas-A&M-University-CommerceTexas-A&M-University-TexarkanaTexas-A&M-International-UniversityTexas-A&M-University-Central-TexasTexas-A&M-University-San-AntonioPrairie-View-A&M-UniversityTarleton-State-UniversityStephen-F.-Austin-State-UniversitySam-Houston-State-UniversityLamar-UniversityMidwestern-State-UniversityTexas-Southern-UniversityTexas-Woman's-UniversityUniversity-of-HoustonUniversity-of-Houston-Clear-LakeUniversity-of-Houston-DowntownUniversity-of-Houston-VictoriaTexas-Tech-UniversityTexas-Tech-University-Health-Sciences-CenterAngelo-State-UniversityWest-Texas-A&M-UniversityTexas-State-UniversityUniversity-of-North-TexasUniversity-of-North-Texas-DallasUniversity-of-North-Texas-Health-Science-CenterDallas-Baptist-UniversitySouthern-Methodist-UniversityTexas-Christian-UniversityBaylor-UniversityAbilene-Christian-UniversityLubbock-Christian-UniversityHardin-Simmons-UniversityHoward-Payne-UniversityMcMurry-UniversityMidland-CollegeOdessa-CollegeSouthwest-Texas-Junior-CollegeAlamo-CollegesAustin-Community-CollegeDallas-County-Community-College-DistrictHouston-Community-CollegeLone-Star-CollegeTarrant-County-CollegeEl-Paso-Community-CollegeSan-Jacinto-CollegeCollin-CollegeCentral-Texas-CollegeBlinn-CollegeTyler-Junior-CollegeVictoria-CollegeWharton-County-Junior-CollegeBrazosport-CollegeClarendon-CollegeCisco-CollegeCoastal-Bend-CollegeCollege-of-the-MainlandDel-Mar-CollegeFrank-Phillips-CollegeGalveston-CollegeGrayson-CollegeHill-CollegeHoward-CollegeKilgore-CollegeLamar-Institute-of-TechnologyLaredo-Community-CollegeLee-CollegeMcLennan-Community-CollegeNavarro-CollegeNorth-Central-Texas-CollegeNortheast-Texas-Community-CollegeNorthwest-Vista-CollegePalo-Alto-CollegePanola-CollegeParis-Junior-CollegeRanger-CollegeSan-Antonio-CollegeSouth-Plains-CollegeSouth-Texas-CollegeSt.-Philip's-CollegeSul-Ross-State-UniversityTemple-CollegeTexarkana-CollegeTexas-Southmost-CollegeTrinity-Valley-Community-CollegeVernon-CollegeWeatherford-CollegeWestern-Texas-CollegeAmarillo-CollegeBrookhaven-CollegeCedar-Valley-CollegeEastfield-CollegeEl-Centro-CollegeMountain-View-CollegeNorth-Lake-CollegeRichland-CollegeSpring-Creek-CollegeCoppell-CollegeFarmers-Branch-CollegeIrving-CollegeLas-Colinas-CollegeCarrollton-CollegeCreekview-CollegeHebron-CollegeThe-Colony-CollegeValley-Ranch-CollegeWest-Campus-CollegePecan-Creek-CollegeParker-CollegeWylie-CollegeSachse-CollegeRowlett-CollegeRockwall-CollegeForney-CollegeTerrell-CollegeKaufman-CollegeCorsicana-CollegeAthens-CollegePalestine-CollegeJacksonville-CollegeRusk-CollegeTrinity-CollegeGroveton-CollegeCenterville-CollegeBuffalo-CollegeFairfield-CollegeTeague-CollegeMexia-CollegeGroesbeck-CollegeMarlin-CollegeCalvert-CollegeHearne-CollegeFranklin-CollegeRobertson-County-CollegeBremond-CollegeReagan-CollegeThornton-CollegeKosse-CollegeGiddings-CollegeDime-Box-CollegeLedbetter-CollegeSomerville-CollegeBurton-CollegeRound-Top-CollegeLa-Grange-CollegeFayetteville-CollegeSchulenburg-CollegeWeimar-CollegeColumbus-CollegeEagle-Lake-CollegeSealy-CollegeBellville-CollegeIndustry-CollegeNew-Ulm-CollegeBernard-CollegeCat-Spring-CollegeAlleyton-CollegeRock-Island-CollegeGarwood-CollegeAltair-CollegeLouise-CollegeHillje-CollegeEl-Campo-CollegeBoling-CollegeWharton-CollegeEast-Bernard-CollegeNeedville-CollegeBeasley-CollegeKendleton-CollegeOrchard-CollegeFairchilds-CollegeSimonton-CollegeFulshear-CollegeBrookshire-CollegePattison-CollegeWallis-CollegeSan-Felipe-CollegeNewgulf-CollegeDamon-CollegeBrazoria-CollegeWest-Columbia-CollegeSweeny-CollegeVan-Vleck-CollegeBay-City-CollegeMarkham-CollegeEl-Maton-CollegePalacios-CollegeBlessing-CollegeMidfield-CollegeCollegeport-CollegeMatagorda-CollegeWadsworth-CollegePledger-CollegeSargent-CollegeCedar-Lake-CollegeCedar-Lane-CollegeLane-City-CollegeHungerford-CollegeEgypt-CollegeGlen-Flora-CollegeDerotmema saussureanum
Saussure's Desert Grasshopper
Derotmema saussureanum is a band-winged grasshopper in the family Acrididae, endemic to the southwestern United States and adjacent Mexico. The species inhabits arid desert environments and is distinguished from congeners by its restricted coastal and desert distribution. It is one of two recognized species in the genus Derotmema.
Desmocerus californicus
California Elderberry Borer, Valley Elderberry Longhorn Beetle
Desmocerus californicus is a longhorned beetle endemic to the United States, with two recognized subspecies. The nominate subspecies D. c. californicus occurs in California, while D. c. dimorphus (the valley elderberry longhorn beetle) is restricted to the Central Valley of California and is federally listed as threatened. Adults are active for only a few weeks per year and feed on Sambucus pollen.
Desmocerus californicus dimorphus
Valley Elderberry Longhorn Beetle
Desmocerus californicus dimorphus is a federally threatened subspecies of longhorn beetle endemic to California's Central Valley. Adults display striking aposematic coloration with metallic blue bodies and orange elytral markings. The subspecies is sexually dimorphic, with males possessing notably longer antennae than females. It completes its entire life cycle in association with elderberry (Sambucus nigra ssp. caerulea), with larvae developing in living stems and roots. Detection has been substantially improved through the use of synthetic sex-attractant pheromones.
Desoria trispinata
Desoria trispinata is a species of springtail in the family Isotomidae. It was first described from the Azores archipelago in the North Atlantic Ocean. The species belongs to a genus of elongate-bodied springtails commonly found in soil and leaf litter habitats. Limited published information exists on its biology.
Diaptomidae
Diaptomidae is a family of freshwater pelagic copepods comprising approximately 50 genera. Members are the most widespread copepods in lentic inland waters of the Palearctic region. The family contains two subfamilies: Diaptominae and Paradiaptominae, with the latter consisting almost exclusively of African taxa. Diaptomids exhibit high species richness in tropical and Mediterranean regions, with numerous endemic species.
Dicaelus costatus
South Texas embossed carabid
Dicaelus costatus is a species of ground beetle in the family Carabidae, commonly known as the South Texas embossed carabid. It was described by John Lawrence LeConte in 1853. The species is endemic to southern Texas and adjacent regions of Mexico, representing a geographically restricted member of the genus Dicaelus.
Dicerca juncea
Dicerca juncea is a metallic wood-boring beetle in the family Buprestidae. It is endemic to the southeastern United States, with records from Florida, Alabama, and Georgia. The species is elongate and measures approximately 14.2 mm in length. Like other members of the genus Dicerca, it exhibits cryptic coloration that provides camouflage against tree bark.
Dichomeris solatrix
A small moth in the family Gelechiidae, described from a single location in Arizona. Known from only two observations and limited published records.
Diguetia mojavea
Desertshrub Spider
Diguetia mojavea is a species of desertshrub spider in the family Diguetidae, endemic to the deserts of the American Southwest. First described by Gertsch in 1958, this species constructs distinctive horizontal sheet webs with dome-shaped retreats amid desert vegetation. As a haplogyne spider, it exhibits relatively primitive reproductive morphology compared to more derived arachnids.
Dinacoma caseyi
Casey's June beetle
Dinacoma caseyi, commonly known as Casey's June beetle, is a rare scarab beetle endemic to a restricted area in Riverside County, California. The species is listed as endangered under the U.S. Endangered Species Act, with approximately 237 hectares designated as critical habitat. The beetle belongs to the genus Dinacoma, which contains only a few species of June beetles found in western North America.
Dinacoma sanfelipe
Dinacoma sanfelipe is a melolonthine scarab beetle endemic to southern California, described in 2020 as the first new species in the genus in 90 years. The genus Dinacoma is restricted to California and contains cryptic species that are difficult to distinguish. One congener (D. caseyi) is federally listed under the U.S. Endangered Species Act, and all known species in the genus may be of conservation concern.
Dineutus shorti
whirligig beetle
Dineutus shorti is a species of whirligig beetle (family Gyrinidae) described in 2015 from the southeastern coastal plain of the United States. It represents the first unequivocally new species of whirligig beetle described from the U.S. since 1991. The species has an extremely restricted range, known only from a narrow section of the coastal plain in the Blackwater and Pensacola river watersheds of Santa Rosa and Okaloosa counties, Florida and Covington County, Alabama. It was named in honor of aquatic coleopterist Andrew E. Z. Short.
Diochanthrax
Diochanthrax is a monotypic genus of bee flies (family Bombyliidae) containing a single described species, D. morulus, which is endemic to California. The genus was established by Hall in 1975 and belongs to the subfamily Anthracinae and tribe Villini. As a bee fly, it likely exhibits the parasitoid life history typical of many Bombyliidae, though specific biological details remain poorly documented.