Arizona
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Erythroneura anfracta
Erythroneura anfracta is a species of microleafhopper in the family Cicadellidae, first described by Beamer in 1929. It belongs to the genus Erythroneura, a diverse group of small, often colorful leafhoppers commonly known as microleafhoppers. The species is part of the Typhlocybinae subfamily, which includes many economically important agricultural pests. Like other members of its genus, E. anfracta is likely associated with woody vegetation, though specific host plant relationships remain undocumented.
Etainia thoraceleuca
Etainia thoraceleuca is a North American moth in the family Nepticulidae, described in 2024 as the second native American species in the genus. It is known from light-collected adults across California, Arizona, and Ontario, Canada. The species is a specialist feeder on Ericaceae, with larvae making short leafmines on Arbutus and Arctostaphylos species before continuing development in stems and branches. It is sister to the European species E. albibimaculella.
Euclemensia schwarziella
A small moth in the family Cosmopterigidae, described by August Busck in 1900 (published 1901). The species is known from Arizona and Texas. Its larvae are parasitoids of scale insects in the genera Kermes and Allokermes, making it one of relatively few moths with this specialized ecological strategy.
Euconnus montanus
Euconnus montanus is a species of minute rove beetle in the family Staphylinidae, subfamily Scydmaeninae. The species was described in 2021 by Stephan & O'Keefe. Scydmaenine beetles are commonly known as ant-like stone beetles due to their small size and compact body form. Members of the genus Euconnus are among the smallest beetles, typically measuring less than 2 mm in length.
Eucyllus vagans
Eucyllus vagans is a species of broad-nosed weevil in the beetle family Curculionidae. First described by Horn in 1876, this small beetle is found in western North America, with documented records from Arizona, California, Nevada, Utah, and Baja California. As a member of the subfamily Entiminae, it possesses the characteristic short, broad snout typical of this group.
Euglyptoneura robusta
Euglyptoneura robusta is a species of jumping plant louse in the family Psyllidae, order Hemiptera. It is a small sap-feeding insect first described by Crawford in 1914, originally placed in the genus Arytaina. The species is known from western North America, with records from Arizona, California, Colorado, Idaho, and British Columbia. Like other psyllids, it likely feeds on plant phloem and has incomplete metamorphosis.
Eulithosia composita
Eulithosia composita is a moth species in the family Noctuidae, first described by Henry Edwards in 1884. It belongs to the subfamily Stiriinae and tribe Stiriini. The species is known from limited records in the southwestern United States, specifically Arizona and western Texas. Information regarding its biology, ecology, and life history remains sparse.
Eumorsea
Ball's monkey grasshopper, Pinaleno monkey grasshopper
Eumorsea is a genus of monkey grasshoppers in the family Eumastacidae, established by Hebard in 1935. The genus contains at least three described species, including Eumorsea balli, Eumorsea pinaleno, and Eumorsea truncaticeps. These grasshoppers are found in the southwestern United States and northwestern Mexico. Members of Eumastacidae are characterized by their slender bodies and elongated hind legs adapted for jumping.
Eumorsea balli
huachuca monkey grasshopper, Ball's monkey grasshopper
Eumorsea balli is a species of monkey grasshopper (family Eumastacidae) native to North America. It was described by Hebard in 1935 and is commonly known as the huachuca monkey grasshopper or Ball's monkey grasshopper. The species belongs to a group of orthopterans characterized by their distinctive morphology and behavior.
Eumorsea pinaleno
Pinaleno monkey grasshopper
Eumorsea pinaleno is a wingless grasshopper endemic to the Pinaleno Mountains of Arizona. It belongs to the family Eumastacidae, commonly known as monkey grasshoppers. The species is known from very few observations, and its biology remains poorly documented.
Euparyphus arizonae
Euparyphus arizonae is a species of soldier fly (family Stratiomyidae) described by James in 1973. It belongs to the tribe Oxycerini within the subfamily Stratiomyinae. The species epithet reflects its association with Arizona. Like other stratiomyids, adults are likely diurnal and may visit flowers, though specific biology remains poorly documented. The species is known from very few records.
Euphoria levinotata
Euphoria levinotata is a species of flower scarab beetle in the subfamily Cetoniinae, described by Orozco in 2012. It belongs to a genus known for bee-mimicking flight behavior and attraction to fermenting tree sap. The species occurs in the southwestern United States, specifically Arizona and New Mexico. Like other Euphoria species, adults are diurnal fliers that feed on sap flows and occasionally visit flowers for nectar and pollen.
Euphoria schottii
Euphoria schottii is a flower scarab beetle in the family Scarabaeidae, subfamily Cetoniinae. The genus Euphoria contains colorful species commonly known as flower chafers or bumble flower beetles, many of which exhibit Batesian mimicry of bees and wasps. Euphoria schottii is one of ten Euphoria species recorded from Arizona, where it occurs in association with agave plants. The species was described by Schott and is part of a genus whose taxonomy has undergone recent revision, with several former subspecies of E. fulgida elevated to full species status.
Euphoria sonorae
Euphoria sonorae is a flower scarab beetle in the family Scarabaeidae, subfamily Cetoniinae. It is a cryptic species that has been observed feeding on flower nectar. The species occurs in the southwestern United States and northwestern Mexico.
Eupithecia carneata
Eupithecia carneata is a small geometrid moth in the genus Eupithecia, commonly known as 'pug' moths. First described by James Halliday McDunnough in 1946, this species is known from a limited geographic range in the southwestern United States. Adults are active in late summer and have been documented visiting apple flowers at night, contributing to nocturnal pollination services.
Eupithecia huachuca
Eupithecia huachuca is a species of pug moth in the family Geometridae, first described by Grossbeck in 1908. The species is endemic to the southwestern United States, with confirmed records from Arizona and Texas. Its specific epithet references the Huachuca Mountains in southeastern Arizona, one of its documented localities. The species belongs to the large genus Eupithecia, whose members are commonly known as pugs due to their small size and distinctive resting posture with wings held flat and narrow.
Eupithecia neomexicana
Eupithecia neomexicana is a small pug moth in the family Geometridae described by James Halliday McDunnough in 1946. It occurs in the southwestern United States, specifically western New Mexico and Arizona. Adults are active in late summer, with flight records from late August to early September. The species belongs to a large genus of over 1400 species worldwide, commonly known as pugs for their compact resting posture.
Eupithecia scabrogata
Pug moth
Eupithecia scabrogata is a small geometrid moth described by Pearsall in 1912. It occurs in western North America from British Columbia south to California and Arizona. Adults are active primarily from November through March, with a possible second generation in May. The species has been documented visiting apple flowers at night, contributing to nocturnal pollination services.
Euptilon arizonense
Euptilon arizonense is a species of antlion in the family Myrmeleontidae, order Neuroptera. Originally described as Psammoleon arizonensis by Banks in 1935, it was later transferred to the genus Euptilon. The species is known from the southwestern United States and Mexico. Antlions in this genus are typically associated with sandy habitats where their larvae construct pit traps to capture prey.
Eusama amanda
Eusama amanda is a species of leafhopper in the family Cicadellidae, first described by Ball in 1909. It belongs to the tribe Platymetopiini within the subfamily Deltocephalinae. The species is part of a genus whose members are associated with grassland and prairie habitats. Records indicate occurrence in the southwestern United States and northern Mexico.
Eusattus dubius arizonensis
A darkling beetle subspecies described from Arizona in 1984. Part of the diverse Eusattus genus within the Tenebrionidae family, this taxon represents one of many cryptic or poorly documented beetle subspecies in the North American aridlands. The species Eusattus dubius itself was described by Casey in 1890. Very few observations exist in public databases, suggesting either genuine rarity or undercollection due to its cryptic habits.
Eustictus albocuneatus
Eustictus albocuneatus is a species of plant bug in the family Miridae, described by Knight in 1927. It belongs to a genus of small, often inconspicuous mirids. The species is known from limited records in the southwestern United States.
Eustictus pusillus
Eustictus pusillus is a species of plant bug in the family Miridae. It is a small hemipteran insect found in the southwestern United States. Like other mirids, it possesses piercing-sucking mouthparts adapted for feeding on plant fluids. The species was described by Uhler in 1887 from specimens collected in Arizona.
Eutettix subspinosus
Eutettix subspinosus is a leafhopper species in the family Cicadellidae, described by Hepner in 1942. It belongs to the tribe Platymetopiini within the subfamily Deltocephalinae. The species has been recorded from Arizona.
Eutreta
Eutreta is a genus of fruit flies (family Tephritidae) established by Loew in 1873. The genus comprises 36 species distributed across three subgenera: Eutreta, Metatephritis, and Setosigena. Species in this genus are known for inducing galls on host plants, with documented associations to Asteraceae and Verbenaceae families. At least one species, Eutreta xanthochaeta, has been introduced to multiple regions for attempted biological control of invasive weeds.
Filatima arizonella
Filatima arizonella is a small gelechiid moth described from Arizona. The species is characterized by distinctive white markings on dark forewings and a wingspan of 13–15 mm. It belongs to the genus Filatima, a group of moths whose larvae often feed on various plant hosts, though specific biological details for this species remain poorly documented.
Filatima depuratella
Filatima depuratella is a small gelechiid moth with a wingspan of approximately 17 mm. It is known from limited records in the southwestern United States, specifically Arizona and New Mexico. The species was described by Busck in 1910 and is distinguished by its distinctive wing pattern featuring blackish markings on a pale background.
Fitchiella grandis
Fitchiella grandis is a species of planthopper in the family Caliscelidae, described by Lawson in 1933. The genus Fitchiella belongs to the tribe Peltonotellini within the subfamily Caliscelinae. Distribution records indicate occurrence in Arizona. The genus Fitchiella is closely related to Fitchiella robertsonii, a species studied extensively for its remarkable jumping ability and prairie grass host associations.
Fitchiella melichari
A small planthopper in the family Caliscelidae, described by Ball in 1910. Records indicate presence in Arizona. Very little biological information is documented for this species specifically.
Flexamia doeringae
Flexamia doeringae is a leafhopper species in the family Cicadellidae, described by Beamer and Tuthill in 1934. It belongs to the genus Flexamia, a group of deltocephaline leafhoppers known for their specialized host plant associations. The genus is characterized by species that are typically dependent on specific grass hosts, though the particular host relationships of F. doeringae remain undocumented. The species has been recorded from Arizona and Mexico.
Friseria cockerelli
mesquite webworm moth, mesquite webworm
Friseria cockerelli is a small moth in the family Gelechiidae, commonly known as the mesquite webworm moth. Its larvae are web-forming caterpillars that feed on mesquite (Prosopis spp.) and construct silk webs on host plants. The species occurs in Mexico and the southern United States, with adults active primarily from April to September.
Friseria nona
Friseria nona is a small gelechiid moth described by Hodges in 1966. It is known from Arizona in southwestern North America. The species is morphologically similar to Friseria repentina but distinguished by buff coloration replacing the orange tones found in that species. Knowledge of this species is limited to original description and scattered records.
Frontinella huachuca
A small sheetweb spider species in the family Linyphiidae, described from the Huachuca Mountains of southeastern Arizona. The species constructs the distinctive "bowl and doily" web architecture shared with its congener F. communis, consisting of an inverted bowl-shaped sheet suspended above a flat doily-like platform. Known from the southwestern United States and Mexico, with two recognized subspecies: F. h. huachuca and F. h. benevola.
Garganus splendidus
Garganus splendidus is a species of plant bug in the family Miridae, first described by Distant in 1893. It is known from limited records in Central America and the southwestern United States. As with many mirid species, detailed biological information remains sparse.
Givira marga
Givira marga is a carpenter moth in the family Cossidae, first described by Barnes and McDunnough in 1910. The species occurs in the southwestern United States, specifically California and Arizona. Adults are active from late spring through summer, with a wingspan of approximately 30 mm. The species is characterized by gray forewings with fine black strigae forming bands, and smoky brown hindwings.
Gloridonus chiragricus
Gloridonus chiragricus is a leafhopper species in the family Cicadellidae, first described by Ball in 1900. It belongs to the tribe Cicadellini, a group of robust, often brightly colored leafhoppers. The species is known from limited records in Arizona, with few documented observations. Like other members of its genus, it likely inhabits arid and semi-arid environments. Specific ecological details remain poorly documented due to its rarity in collections and limited study.
Gnophaela discreta
Gnophaela discreta is a moth in the family Erebidae, first described by Stretch in 1875. It occurs in the southwestern United States and Mexico. The species has a wingspan of approximately 38 mm. Its larvae feed on Mertensia species.
Gnorimoschema paternale
Gnorimoschema paternale is a small moth in the family Gelechiidae, described by Czech entomologist Dalibor Povolný in 2003. The species is known from a limited number of records in Arizona, North America. As a member of the genus Gnorimoschema, it belongs to a group of moths whose larvae are frequently associated with plant galls, though specific biological details for this species remain undocumented.
Goneatara nasutus
Goneatara nasutus is a species of ichneumon wasp in the family Ichneumonidae, subfamily Ichneumoninae. The species was described by Heinrich in 1962 based on three female specimens from southern Arizona. It is characterized by an unusual clypeus with a median swelling that becomes bipartite below, branching toward the apical margin—this distinctive feature inspired the specific epithet "nasutus" (meaning "large-nosed"). Females are amblypygous, possessing a very short ovipositor and broad subgenital plate, an adaptation for ovipositing into mature larvae or prepupae of Lepidoptera rather than pupae.
Graphocephala aurora
Graphocephala aurora is a leafhopper species in the family Cicadellidae, first described by Baker in 1898 under the name Tettigonia aurora. As a member of the genus Graphocephala, it shares the distinctive characteristics of this group, including colorful patterning and association with the subfamily Cicadellinae (sharpshooters). The species is known from limited distributional records in the southwestern United States and Mexico.
Graphocephala ignava
Graphocephala ignava is a species of sharpshooter leafhopper in the family Cicadellidae, first described by Ball in 1936. Like other members of the genus Graphocephala, this species likely possesses the characteristic brochosomes—nanoparticles that provide water-repellent and anti-reflective properties to the cuticle. The species is known from limited collection records in Arizona and Mexico. As a member of the subfamily Cicadellinae, it is classified as a sharpshooter, a group known for their relatively large size among leafhoppers and their association with xylem-feeding habits.
Grotella binda
Grotella binda is a noctuid moth species described by William Barnes and James Halliday McDunnough in 1907. It belongs to the genus Grotella within the subfamily Grotellinae. The species is documented from North America, with Arizona as its type locality. Like other members of its genus, it is a small to medium-sized moth active at night.
Grotella blanca
Grotella blanca is a species of owlet moth in the family Noctuidae, first described by William Barnes in 1904. It belongs to the genus Grotella, which comprises small to medium-sized nocturnal moths. The species is known from North America with its type locality in Arizona.
Grotella soror
Grotella soror is a species of owlet moth in the family Noctuidae, first described by William Barnes and James Halliday McDunnough in 1912. It is a North American species with its type locality in Arizona. The species belongs to the genus Grotella, a small group of moths within the subfamily Grotellinae. Like other members of its genus, it is nocturnal and attracted to ultraviolet light sources.
Grotella tricolor
A small noctuid moth with a wingspan of 20–23 mm. Adults are active from August to September. The species was first described by William Barnes in 1904.
Gryllita arizonae
Arizona cricket
Gryllita arizonae, known as the Arizona cricket, is a species of cricket in the subfamily Gryllinae. The species was described by Hebard in 1935 and is found in North America. It is a member of the genus Gryllita, which belongs to the family Gryllidae. Available information on this species is limited, with only 19 observations recorded on iNaturalist as of the source date.
Gymnetina borealis
Gymnetina borealis is a species of flower chafer beetle (Cetoniinae) described from the southwestern United States. The species was formally described by Ratcliffe and Warner in 2011. As a member of the Gymnetini tribe, it belongs to a group of scarab beetles often associated with flowers and fruit. Very little biological information has been published for this species specifically.
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.
Hadoa chiricahua
Chiricahua Sun-Singer
Hadoa chiricahua is an annual cicada species in the genus Hadoa, endemic to the southwestern United States. The species was originally described as Tibicen chiricahua by Davis in 1923 and later transferred to Hadoa. It is known from the Chiricahua Mountains of southeastern Arizona and adjacent areas of New Mexico, inhabiting mid- to high-elevation forests within the Madrean Sky Island ecosystem. As an annual cicada, it completes its life cycle within a single year, unlike periodical cicadas that emerge on multi-year cycles.
Hadoa montezuma
Aztec Sun-Singer
Hadoa montezuma is a cicada species in the family Cicadidae, commonly known as the Aztec Sun-Singer. It was originally described by Distant in 1881. The species belongs to the genus Hadoa, which was established to accommodate several North American cicada species previously placed in other genera. Distribution records indicate presence in Arizona, California, and Morelos, Mexico.