Arizona
Guides
Cymindis arizonensis
Cymindis arizonensis is a species of ground beetle in the subfamily Harpalinae, described by Schaeffer in 1910. The genus Cymindis comprises numerous species of ground beetles distributed across the Northern Hemisphere. Like other members of Carabidae, this species is likely a nocturnal predator. Records indicate presence in the United States and North America, though detailed ecological information remains limited.
Cymindis sp-one-ariz
Cymindis sp-one-ariz is an undescribed species of ground beetle in the genus Cymindis, tribe Cymindini, found in Arizona. Members of this genus are generally small to medium-sized carabid beetles with elongated bodies and thread-like antennae. This particular species represents a distinct lineage awaiting formal taxonomic description from the southwestern United States.
Cyrtolobus coronatus
Cyrtolobus coronatus is a species of treehopper in the family Membracidae, described by Ball in 1932. Treehoppers in this genus are characterized by their enlarged, often elaborately shaped pronotum. The species belongs to the tribe Smiliini, which is primarily distributed in the Nearctic region.
Cyrtolobus oblongatus
Cyrtolobus oblongatus is a species of treehopper in the family Membracidae, described by Ball in 1932. It belongs to the genus Cyrtolobus, a group characterized by their enlarged and often elaborately shaped pronotum that extends over the body. The species is known from Arizona based on collection records.
Cyrtolobus woodruffi
Cyrtolobus woodruffi is a species of treehopper in the family Membracidae, tribe Smiliini, described by Ball in 1932. Like other members of the genus Cyrtolobus, it possesses a modified pronotum characteristic of treehoppers. The species has been documented in Arizona based on distribution records. Very little specific information is available for this particular species, though it shares the general biology of Nearctic Smiliini treehoppers, which feed on woody plants and often exhibit pronotal modifications.
Cyrtopeltocoris huachucae
A species of plant bug in the family Miridae, described by Knight in 1968. The specific epithet 'huachucae' references the Huachuca Mountains of southeastern Arizona, indicating a strong association with this sky island mountain range. Like other members of the genus Cyrtopeltocoris, it is presumably associated with vegetation in arid and semi-arid habitats, though specific biological details remain poorly documented in published literature.
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.
Daihiniodes
sand-treader crickets
Daihiniodes is a genus of sand-treader crickets in the family Rhaphidophoridae, established by Hebard in 1929. The genus contains at least two described species: Daihiniodes hastifera (Arizona sand-treader cricket) and Daihiniodes larvale (Strohecker's sand-treader cricket). These crickets are part of the tribe Daihiniini within the subfamily Ceuthophilinae.
Decarthron discolor
ant-loving beetle
Decarthron discolor is a species of rove beetle in the family Staphylinidae, specifically within the ant-associated subfamily Pselaphinae. The species was described by Brendel in 1890 and is recorded from the southwestern United States. Like other members of its genus, it is classified as an "ant-loving beetle" due to its ecological association with ant colonies.
Decua cucurbita
Decua cucurbita is a species of leafhopper in the family Cicadellidae, first described by Ball in 1936. It belongs to the tribe Cicadellini within the subfamily Cicadellinae. Distribution records indicate this species occurs in the southwestern United States, specifically in Arizona and New Mexico. As a member of the Auchenorrhyncha, it possesses piercing-sucking mouthparts typical of this suborder.
Deltostethus columbiensis
Deltostethus columbiensis is a species of water scavenger beetle in the family Hydrophilidae, described by Hatch in 1965. It belongs to the subfamily Sphaeridiinae, a group often associated with moist organic substrates rather than strictly aquatic habitats. The species occurs in southwestern North America and Mexico.
Dendrocoris arizonensis
Dendrocoris arizonensis is a species of stink bug in the family Pentatomidae, first described by Barber in 1911. It belongs to the genus Dendrocoris, a group of arboreal stink bugs associated with trees. The species is known from North America, with its specific epithet suggesting a primary association with Arizona. Like other members of its family, it possesses the characteristic shield-shaped body and scent glands typical of stink bugs.
Deraeocoris cochise
Deraeocoris cochise is a species of plant bug in the family Miridae, described in 1983 from Arizona. It belongs to a genus of predatory mirids commonly used in biological control. Very little is known about this specific species beyond its type locality and original description.
Desmia desmialis
Desmia desmialis is a small crambid moth described from Arizona in 1914. The species is recognized by its distinctive wing pattern featuring multiple white patches on brown forewings and semiparallel dark lines on the hindwings. It belongs to a genus containing several similar North American species, including the grape leaffolder Desmia funeralis.
Desmoglyptus arizonicus
flower weevil
Desmoglyptus arizonicus is a species of flower weevil in the family Curculionidae, first described by Casey in 1920. The specific epithet "arizonicus" indicates its association with Arizona, though it is reported from North America generally. As a member of the flower weevil group, it likely occurs on flowering plants, though specific host associations remain undocumented. The genus Desmoglyptus is not well-studied, and detailed biological information for this species is scarce.
Dianthidium arizonicum
Arizona Pebble Bee
Dianthidium arizonicum is a species of resin bee in the family Megachilidae, first described by Rohwer in 1916. It is native to the southwestern United States, particularly Arizona. Like other members of the genus Dianthidium, it is a solitary bee that constructs nests using plant resins. The species has been documented nesting in artificial bee blocks, indicating adaptability to human-provided nesting structures.
Diceroprocta apache-cinctifera-semicincta
Apache Cicada, Silver-bellied annual cicada
Diceroprocta apache-cinctifera-semicincta is a cicada species found in the southwestern United States and northern Mexico. It is a host for the Pacific Cicada Killer wasp (Sphecius convallis), which paralyzes adults to provision underground nests. The species belongs to the 'annual' cicada group, with staggered generations appearing each year rather than synchronized mass emergences.
Diceroprocta arizona
Plateau Flag-Bearer
Diceroprocta arizona is a species of cicada in the family Cicadidae, described by Davis in 1916. It is distributed across the southwestern United States and Central America, with records from Arizona and several Mexican states including Chiapas, Chihuahua, Durango, and Morelos. Like other members of the genus Diceroprocta, it is an annual cicada with a multi-year nymphal development period spent underground feeding on plant roots.
Diceroprocta knighti
Dusty Flag-Bearer
Diceroprocta knighti is a cicada species in the family Cicadidae, distributed across the southwestern United States and northwestern Mexico. Like other members of its genus, it is an annual cicada with a multi-year nymphal stage spent underground feeding on tree and shrub roots. Adults emerge during summer months, with males producing species-specific acoustic signals to attract females. The species is part of the diverse cicada fauna of the Sonoran Desert region, where it co-occurs with related congeners at different elevations.
cicadaDiceroproctaSonoran-Desertannual-cicadaHemipteraCicadidaeacoustic-communicationroot-feeding-nymphssummer-emergencesouthwestern-North-Americaxylem-feederdesert-arthropodinsect-songmulti-year-life-cycletymbal-organmonsoon-associated-emergenceCicadinaeFidicininiDavis-1917Dusty-Flag-BearerArizonaCaliforniaBaja-CaliforniaSinaloaSonoraMexicoUnited-Statesarthropodinsecttrue-bugAuchenorrhynchaCicadomorphaCicadoideaGuyalninaDichomeris barnesiella
Dichomeris barnesiella is a small gelechiid moth with distinctive bicolored forewings. The species was described from specimens collected in Arizona and Mexico. Adults are active during spring and late summer. The sharply divided wing pattern is unusual within the genus.
Dichomeris mulsa
Dichomeris mulsa is a species of gelechiid moth described by Ronald W. Hodges in 1986. It is known from limited localities in the southwestern United States and Mexico. The species belongs to the large genus Dichomeris, which contains numerous small moths with varied host plant associations. Available records indicate this species remains poorly collected and documented.
Dicyphonia minuta
Dicyphonia minuta is a species of leafhopper in the family Cicadellidae, described by Beamer in 1936. It belongs to the tribe Hecalini within the subfamily Deltocephalinae. Distribution records indicate occurrence in the western United States, specifically Arizona and Wyoming. As a member of the Hemiptera, it possesses piercing-sucking mouthparts typical of true bugs.
Dielis tolteca
Toltec scoliid wasp
Dielis tolteca is a species of scoliid wasp native to western North America and Mesoamerica. The species is known to parasitize scarab beetle grubs, with females hunting underground hosts to provision their offspring. Adults have been observed feeding on flowering plants, particularly mustards (Brassicaceae) and goldenrods (Solidago). The species has been documented in McInnis Canyons National Conservation Area in western Colorado, where it is active as a spring-emerging species.
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nevadensis arizonensis
Arizona Nomia
Dieunomia nevadensis arizonensis, known as the Arizona Nomia, is a subspecies of sweat bee in the family Halictidae. It is a ground-nesting bee distributed across the southwestern United States and adjacent regions of Mexico. The subspecies was first described by Cockerell in 1899 and is distinguished from the nominate subspecies by geographic range and subtle morphological differences. Like other members of the genus Dieunomia, it is a specialist pollinator associated with particular host plants.
Diguetia canities
desert bush spider
Diguetia canities, commonly known as the desert bush spider, is a species of coneweb spider in the family Diguetidae. It is the most widely distributed species in its genus, occurring across desert and semidesert habitats from California to Oklahoma and Texas. The spider constructs a distinctive dome-shaped sheet web with a tubular retreat, often placed in bushes or cacti less than 60 cm above ground. It produces a potent insect-selective venom peptide called Dc1a.
Dioryctria erythropasa
Dioryctria erythropasa is a small snout moth in the family Pyralidae, described by Harrison Gray Dyar Jr. in 1914. The species ranges from Arizona southward along the Mexican Pacific coast to Central America. Adults have a wingspan of 23–32 mm. Like other members of the genus Dioryctria, the larvae likely develop in conifer cones or shoots, though specific host associations for this species remain undocumented.
Diplotaxis abnormis
Diplotaxis abnormis is a small scarab beetle in the family Scarabaeidae, subfamily Melolonthinae. The species was described by Fall in 1909 and belongs to the tribe Diplotaxini. It is distributed in the southwestern United States (Arizona, New Mexico) and northern Mexico (Chihuahua, Sonora). Like other members of the genus Diplotaxis, it is likely a nocturnal species that congregates on vegetation to detect pheromone trails for mate location.
Diplotaxis arizonica
Diplotaxis arizonica is a species of scarab beetle in the family Scarabaeidae, subfamily Melolonthinae, and tribe Diplotaxini. It was described by Schaeffer in 1907. The species is known from Arizona, USA, within the Nearctic region. Like other members of the genus Diplotaxis, it is likely a chafer beetle with larvae that develop in soil, though specific biological details remain poorly documented.
Diplotaxis connata
Diplotaxis connata is a small scarab beetle in the family Scarabaeidae, described by Schaeffer in 1905. It belongs to the tribe Diplotaxini within the subfamily Melolonthinae. The species is known from North America, with records from Arizona. Like other members of the genus Diplotaxis, adults are typically attracted to lights at night and may be found on low vegetation.
Diplotaxis fissilabris
A small scarab beetle in the genus Diplotaxis, first described by Fall in 1909. Members of this genus are commonly known as chafers and are typically nocturnal, attracted to lights. The specific epithet "fissilabris" refers to a cleft or split lip, likely describing a distinctive labral feature. The species occurs in the southwestern United States and northwestern Mexico.
Diplotaxis pumila
Diplotaxis pumila is a small scarab beetle in the family Scarabaeidae, subfamily Melolonthinae, described by Fall in 1909. It belongs to the genus Diplotaxis, a group of chafers known for their nocturnal aggregation behavior on vegetation where males intercept female pheromone trails. The species is documented from the southwestern United States, particularly Arizona. Like other members of its genus, it is likely attracted to lights at night and may be active during summer months following rainfall events.
Diplotaxis subangulata
Diplotaxis subangulata is a small scarab beetle in the family Scarabaeidae, subfamily Melolonthinae, described by LeConte in 1856. The genus Diplotaxis comprises small chafers, and this species occurs across western North America from British Columbia to Baja California, with records throughout the southwestern United States. Adults have been observed congregating on low vegetation, apparently to intercept pheromone trails in search of mates. The species is attracted to lights at night.
Discodon flavomarginatum
Discodon flavomarginatum is a soldier beetle (family Cantharidae) native to southeastern Arizona. First described by Charles Schaeffer in 1908 from the Huachuca Mountains, this species is characterized by its distinctive color pattern and 14 mm body length. It belongs to a genus of soft-bodied beetles whose biology remains poorly documented.
Dorithia trigonana
Dorithia trigonana is a small tortricid moth described by Brown & Obraztsov in 1991. The species is known from a limited geographic range spanning southern Arizona and the state of Durango in Mexico. Adults have a wingspan of 19–21 mm. It belongs to the tribe Cochylini within the subfamily Tortricinae.
Draeculacephala constricta
A species of leafhopper in the family Cicadellidae, described from western Texas in 1943. The genus Draeculacephala is characterized by distinctive head morphology, with species often exhibiting elongated or modified facial structures. Draeculacephala constricta occurs in arid and semi-arid regions of the southwestern United States and has been documented in association with woody legumes including Vachellia constricta (whitethorn acacia), which shares its specific epithet.
leafhopperCicadellidaedesertsouthwestern-USVachelliaacaciaphloem-feederCicadomorphaHemiptera1943-descriptionDavidsonDeLongwestern-Texasaridland-insectwoody-legume-associatehead-morphologygenus-Draeculacephalainsectaarthropodaanimaliaaccepted-speciesGBIFCatalogue-of-LifeNCBIiNaturalistobserved-313-timesAlbertaFloridaIllinoisIndianaIowaNew-MexicoArizonasummer-activityJulymonsoon-seasonphloem-feedernutrient-cyclingpredator-preyspider-preybird-preydesert-scrubsemi-aridmesquitecreosoteFabaceaehost-planttaxonomic-descriptionmale-genitaliawing-venationconcave-headproduced-headfacial-structurespecific-epithetconstrictednarrowedidentificationmorphological-detailscongenersCuernaCicadelliniCicadellinaeMembracoideaClypeataAuchenorrhynchaHexapodatrue-bugsMetazoaEukaryotaDystaxia elegans
false jewel beetle
Dystaxia elegans is a species of false jewel beetle in the family Schizopodidae, a small family of beetles within the superfamily Buprestoidea. The species was described by Fall in 1905 and is found in North America, specifically in the western United States. It belongs to a genus that was historically classified within Buprestidae but is now placed in the distinct family Schizopodidae.
Eacles oslari
Oslar's eacles, Oslar's Imperial Moth
Eacles oslari is a large silk moth in the family Saturniidae, native to the Sky Islands region of southeastern Arizona and adjacent northern Mexico. Adults display variable wing coloration ranging from yellow to purple-brown. The species was described by Walter Rothschild in 1907 and named after Ernest J. Oslar, the first entomology curator of the Colorado Museum of Natural History. Adults are active during the summer monsoon season and are known to be vulnerable to bat predation.
Edia semiluna
A small crambid moth described by John Bernhardt Smith in 1905. Forewings measure 8–10 mm in length. Adults have been recorded in May, August, and October. The species occurs in southern Arizona and Mexico.
Efferia bryanti
Madera Canyon Hammertail
Efferia bryanti is a species of robber fly in the family Asilidae, described by Wilcox in 1966. It is commonly known as the Madera Canyon Hammertail. The species belongs to the large and diverse genus Efferia, which contains numerous North American robber fly species. As with other Efferia species, E. bryanti is a predatory fly that likely hunts other insects.
Efferia mortensoni
Portal Hammertail
Efferia mortensoni is a species of robber fly in the family Asilidae, described by Wilcox in 1966. It is known by the common name "Portal Hammertail." Like other members of the genus Efferia, this species is a predatory dipteran that likely hunts other insects. The species name suggests a connection to the Portal area in southeastern Arizona, a region well-known among entomologists for its exceptional biodiversity. Robber flies in this genus are typically active during daylight hours and are often observed perching on vegetation or the ground while hunting.
Efferia subcuprea
Chiricahua Hammertail
Efferia subcuprea is a species of robber fly (family Asilidae) described by Schäffer in 1916. The species belongs to the genus Efferia, a large and diverse group of predatory flies distributed primarily in the New World. The common name "Chiricahua Hammertail" suggests an association with the Chiricahua region of southeastern Arizona. Robber flies in this genus are generally characterized by their robust build, strong predatory habits, and often distinctive sexual dimorphism, with males typically possessing a swollen terminal abdominal segment.
Eidophasia dammersi
Eidophasia dammersi is a small moth in the family Plutellidae. The species is documented from California and Arizona. Its larvae are known to feed on Cleome isomeris, a perennial shrub in the caper family. The species is represented by few observations, suggesting it may be uncommon or underreported.
Enchenopa n-sp-az-i
A member of the diverse treehopper genus Enchenopa, this undescribed species from Arizona belongs to the tribe Membracini. The genus Enchenopa is known for species with pronounced pronotal modifications and associations with woody host plants. This particular taxon represents an unidentified species designation used in collection records pending formal description.
Enchenopa n-sp-az-ii
Enchenopa n-sp-az-ii is an undescribed species of treehopper in the family Membracidae, provisionally designated from Arizona. Treehoppers in this genus are recognized for their enlarged and often elaborately shaped pronotum that extends over the body. This species represents part of the documented but not yet formally described diversity of Enchenopa in the southwestern United States.
Eoreuma callista
Eoreuma callista is a species of moth in the family Crambidae, first described by Klots in 1970. It is known from the southwestern United States, specifically Arizona and New Mexico. Little is documented about its biology, ecology, or economic significance. The genus Eoreuma includes other species such as E. loftini (Mexican rice borer), a major agricultural pest, but E. callista itself has not been reported as a crop pest.
Epiphragma arizonense
Epiphragma arizonense is a crane fly species described by Alexander in 1946. The species is known from the southwestern United States and northwestern Mexico. Like other members of the genus Epiphragma, it is distinguished by distinctive wing patterning and male genitalia morphology. The male was redescribed and illustrated in a 2012 taxonomic review of North American Epiphragma species.
Ereminellus arizonensis
Ereminellus arizonensis is a species of true bug in the family Rhyparochromidae, first described by Barber in 1932. It belongs to the tribe Myodochini within the subfamily Rhyparochrominae. The species is known from the southwestern United States and Middle America. As a member of the seed bug family Rhyparochromidae, it likely feeds on seeds, though specific dietary habits remain undocumented.
Eremosaprinus minimus
clown beetle
Eremosaprinus minimus is a species of clown beetle in the family Histeridae. It was described by Tishechkin & Lackner in 2012. The species is found in North America, with records from Arizona, USA. As a member of the Saprininae subfamily, it belongs to a group of histerid beetles often associated with decomposing organic matter and carrion.
Erora quaderna
Arizona hairstreak
Erora quaderna, commonly known as the Arizona hairstreak, is a butterfly species in the family Lycaenidae. It is native to North America. The species was first described by William Chapman Hewitson in 1868 under the basionym Thecla quaderna. Two subspecies are recognized: E. q. quaderna and E. q. sanfordi.
Erythridula amabilis
Erythridula amabilis is a small leafhopper species in the family Cicadellidae, first described by McAtee in 1924. It belongs to the diverse tribe Erythroneurini, which contains many colorful microleafhoppers. The species is documented from limited observations, primarily in the southwestern United States.