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Euchlaena
Euchlaena Moths
Euchlaena is a genus of geometer moths in the family Geometridae, established by Jacob Hübner in 1823. The genus contains approximately 19 recognized species distributed primarily in North America. Adults are nocturnal and frequently attracted to artificial light sources. Several species have distinctive common names reflecting their coloration or morphology, such as the Deep Yellow Euchlaena Moth and the Obtuse Euchlaena Moth.
Euchlaena deplanaria
Deep Yellow Euchlaena Moth
Euchlaena deplanaria is a species of geometrid moth native to eastern and central North America. Adults have a wingspan of approximately 34 mm and are active from February through October, indicating a broad flight season. The species is attracted to artificial light sources and has been documented in diverse habitats from deciduous forests to mixed conifer woodlands. It belongs to the genus Euchlaena, which includes several similarly patterned species that can be challenging to distinguish without close examination.
Euchlaena mollisaria
Euchlaena mollisaria is a geometrid moth species found in western North America. Adults are medium-sized with a wingspan of approximately 46 mm. The species is active from late spring through early autumn. It is attracted to artificial light sources.
Euchlaena pectinaria
Deep Yellow Euchlaena Moth
Euchlaena pectinaria is a North American geometer moth in the family Geometridae, commonly known as the Deep Yellow Euchlaena Moth. It is attracted to artificial light sources and has been documented in deciduous forest habitats. The species was originally described in 1775 and is currently accepted under this name.
Euchromius ocellea
Belted Grass-veneer, necklace veneer
Euchromius ocellea is a cosmopolitan migratory moth in the family Crambidae, first described by Haworth in 1811. It is widespread in tropical and subtropical regions, with occasional rare migrations to temperate areas such as the UK and Netherlands. The species is notable for its ornate wing patterning and its larval association with grass crops including maize and sorghum.
Euclea incisa
Green Oak-slug Moth
Euclea incisa is a species of slug caterpillar moth in the family Limacodidae. The species is known to be attracted to artificial light sources at night. Like other members of the genus Euclea and family Limacodidae, the caterpillars are likely slug-like in form and possess stinging spines or setae, though specific larval details for this species are not well documented. The species has been recorded in Kansas.
Eugonobapta nivosaria
Snowy Geometer Moth, Snowy Geometer
Eugonobapta nivosaria, commonly known as the Snowy Geometer Moth, is a species of geometrid moth found in eastern North America. The species was first described by Guenée in 1857 and is recognized by its distinctive white or pale coloration. It is a well-documented species with over 3,600 observations recorded on iNaturalist, indicating it is relatively common and conspicuous within its range. The moth occurs in deciduous and mixed forest habitats where its larvae feed on various woody plants.
Eupackardia calleta
Calleta Silkmoth, Ocotillo Silkmoth
Eupackardia calleta, the Calleta silkmoth, is a distinctive Saturniidae species and the sole member of its genus. Found in the southwestern United States and Mexico, this moth is strongly associated with ocotillo (Fouquieria splendens), which serves as its primary larval host. Adults are nocturnal and attracted to light. The species is notable for its striking appearance and restricted distribution tied to desert and semi-arid habitats.
Eupithecia
pug moths, pugs
Eupithecia is a large genus of small moths in the family Geometridae, commonly known as "pugs." They are characterized by narrow wings and a distinctive resting posture. The genus is notably diverse and presents significant identification challenges, with many species requiring dissection of genitalia for definitive determination. Eupithecia species are frequently attracted to lights and have been documented visiting flowers, including apple blossoms, where they contribute to nocturnal pollination.
Eupithecia casloata
Eupithecia casloata is a small moth in the family Geometridae, first described by Harrison Gray Dyar Jr. in 1904. It belongs to the large genus Eupithecia, commonly known as pug moths, which are characterized by their narrow wings and distinctive resting posture. The species has been documented across a broad range of North America, from western Canada through the western United States to the northeastern states. It has been observed visiting apple flowers, contributing to nocturnal pollination of fruit crops.
Eupithecia catalinata
Eupithecia catalinata is a small geometrid moth described by James Halliday McDunnough in 1944. It occurs in the southwestern United States, specifically Utah, Arizona, and New Mexico. The species has a wingspan of approximately 23 mm. Adults are active during July and August.
Eupithecia niveifascia
Eupithecia niveifascia is a small geometrid moth first described by George Duryea Hulst in 1898. It occurs in western North America from southwestern Alberta to Vancouver Island, and south to New Mexico. Adults are active from late May to mid-July and have been documented visiting apple flowers, contributing to nocturnal pollination services.
Eupithecia pretansata
Pug moth
Eupithecia pretansata is a small geometrid moth in the pug moth genus Eupithecia. It is known from a restricted range in the southwestern United States and northern Mexico, specifically the Huachuca Mountains of Arizona and Chihuahua. Like other Eupithecia species, it exhibits the characteristic narrow wings and distinctive resting posture typical of pug moths. The species was described by Grossbeck in 1908.
Eupithecia quakerata
Eupithecia quakerata is a small moth in the family Geometridae, first described by Pearsall in 1909. It is known from the southwestern United States, with records from Colorado, Utah, New Mexico, Arizona, and California. The species has a wingspan of approximately 18 mm and belongs to the large genus Eupithecia, commonly known as 'pug' moths.
Eupithecia russeliata
A small North American geometrid moth first described in 1908. Adults are active from May through October and have been documented visiting apple flowers at night, contributing to nocturnal pollination. The species is widespread across Canada and the United States, with larvae feeding on spruce and possibly other conifers.
Eupithecia subapicata
Pug moth
Eupithecia subapicata is a small geometrid moth in the family Geometridae, first described by Achille Guenée in 1857. It is native to the western United States, ranging from California through Oregon to Washington. The species is characterized by narrow wings and a distinctive resting posture typical of pug moths. Adults have been recorded on wing from January through July, with a wingspan of approximately 22–26 mm.
Eupithecia swettii
Swett's Pug
Eupithecia swettii is a small geometrid moth commonly known as Swett's Pug. It belongs to the diverse 'pug' group within the genus Eupithecia, characterized by narrow wings and a distinctive resting posture. The species occurs in eastern North America and has been documented visiting apple flowers, contributing to nocturnal pollination services.
Eupithecia tenuata
Pug moth
Eupithecia tenuata is a small pug moth in the family Geometridae, first described from western North America in 1880. The species occurs from southern British Columbia through the Rocky Mountains to Arizona and New Mexico. Adults are active in mid-summer and have been documented visiting apple flowers at night, contributing to nocturnal pollination of fruit crops.
Euwallacea similis
ambrosia beetle
Euwallacea similis is a small ambrosia beetle (2.2–2.7 mm) native to South and Southeast Asia and Australia, now globally distributed through human trade in timber and wood commodities. It colonizes stressed, cut, or recently dead host trees rather than healthy living trees, distinguishing it from related invasive species like E. fornicatus. The species exhibits haplodiploid sex determination and inbreeding polygyny, with females farming symbiotic Fusarium fungi in wood galleries. First recorded in the Iberian Peninsula in 2025, it is considered a high-risk quarantine pest due to its polyphagous habits and potential to vector pathogenic fungi.
ambrosia-beetleinvasive-specieshaplodiploidfungal-symbiosisforest-pestxyleboriniquarantine-pestwood-boring-beetleglobal-trade-vectorcryptic-species-complexsecondary-borercrepuscularlight-attractedfusarium-symbiontparthenogenesisinbreeding-polygynygenome-sequencedchromosome-fissioniberian-peninsula-introduction2025-range-expansionGivira theodori
Theodore Carpenterworm Moth
Givira theodori is a moth in the family Cossidae, commonly known as carpenter millers. It is found in the southwestern United States, with records from Arizona, Colorado, Utah, New Mexico, and Texas. The species was named in honor of Theodore Dru Alison Cockerell, who collected the original specimens. It is a relatively small cossid moth with a wingspan of approximately 26 mm.
Gluphisia
Gluphisia is a genus of moths in the family Notodontidae, first described by Boisduval in 1828. Species in this genus are commonly referred to as 'prominent moths' and are attracted to artificial light sources, including blacklights used in moth surveys. The genus includes six recognized species distributed across North America and Eurasia.
Hahncappsia fordi
Hahncappsia fordi is a small moth in the family Crambidae, described by Hahn William Capps in 1967. The species is restricted to the southwestern United States and adjacent northwestern Mexico, with records from California, Arizona, and Sonora. Adults are active from spring through early autumn, with a wingspan of 17–20 mm. Sexual dimorphism in size is minimal, with males averaging slightly larger than females.
Haimbachia squamulellus
Scaled Haimbachia Moth
Haimbachia squamulellus is a small moth in the family Crambidae, first described by Zeller in 1881. It occurs in eastern and central North America, ranging from Maryland south to Florida and west to Texas and Illinois. The species is one of approximately 15 recognized species in the genus Haimbachia, a group of grass-associated crambid moths. Adults are active during warmer months, though specific phenology varies across its range.
Hesperumia
sulphur moth
Hesperumia is a genus of geometrid moths established by Packard in 1873. The genus contains four recognized species distributed across western North America, with adults typically active during summer months. Larval stages are poorly documented, but the genus is associated with various host plants including buckwheat and other herbaceous vegetation. Adults of at least one species, H. sulphuraria, are attracted to light sources.
Hesperumia sulphuraria
Sulphur Moth, Sulphur Wave
Hesperumia sulphuraria, commonly known as the sulphur moth or sulphur wave, is a species of geometrid moth in the family Geometridae. The species was described by Packard in 1873. It is found across North America, with distribution records from Canada (Alberta, Manitoba, Saskatchewan) and the United States (Vermont). The species has been observed at light in juniper/pinyon chaparral habitat in Mesa County, Colorado.
Heterophleps triguttaria
three-spotted fillip
Heterophleps triguttaria, commonly known as the three-spotted fillip, is a small geometrid moth in the subfamily Larentiinae. The species is recognized by the three dark spots on its forewings that give it its common name. It is widely distributed across North America and is among the more frequently observed geometrid moths, with thousands of citizen science records.
Hormoschista latipalpis
Double-lined Brown Moth
Hormoschista latipalpis, commonly known as the Double-lined Brown Moth, is the sole species in its monotypic genus Hormoschista. First described by Francis Walker in 1858, this moth belongs to the family Erebidae (formerly placed in Noctuidae). It is distributed across eastern North America and the Caribbean. The species is nocturnal and attracted to light.
Hyalophora euryalus
Ceanothus silkmoth, Ceanothus silk moth
Hyalophora euryalus, the ceanothus silkmoth, is a large saturniid moth native to western North America. Adults lack functional mouthparts and do not feed, living solely to reproduce. The species is notable for its broad host plant range spanning multiple plant families. Larvae possess urticating hairs and scoli that can cause skin irritation. The moth has a single generation per year, with adults active from January through July depending on latitude and elevation.
Hyalophora euryalus euryalus
Ceanothus silk moth, Western cecropia moth
Hyalophora euryalus euryalus is a subspecies of giant silk moth in the family Saturniidae, native to western North America. Adults are among the largest moths in the region, with wingspans reaching up to 15 centimeters. The subspecies is distinguished by its reddish-brown wing coloration with prominent eyespots and white crescent markings. Like other Hyalophora species, adults lack functional mouthparts and do not feed, living only long enough to mate and reproduce. Larvae are notable for their large size, colorful tubercles, and urticating spines.
Hydropionea fenestralis
Hydropionea fenestralis is a small crambid moth described in 1914, with forewings 12–15 mm in length. Adults display a distinctive reticulated wing pattern and are active from May to October. The species was long considered a mystery regarding its larval biology until 2023, when researchers documented it as a seed borer in Agave salmiana fruits in central Mexico—an unusual host association given its phylogenetic placement in Glaphyriinae. The moth occurs in mountainous regions of the southwestern United States and Mexico, with confirmed records from Arizona, Mississippi, Durango, Veracruz, and Puebla.
Hypena palparia
Variegated Snout-moth, Mottled Bomolocha, Mottled Snout
Hypena palparia is a medium-sized moth in the family Erebidae, first described by Francis Walker in 1861. The species occurs across much of North America, from the Atlantic coast to the Pacific, with adults active primarily in early summer. Larvae feed on the leaves of specific woody plants including ironwood (Ostrya virginiana) and hazelnuts (Corylus species). The moth is known by multiple common names reflecting its patterned appearance and snout-like labial palps.
Hypexilis
Hypexilis is a genus of longhorn beetles in the family Cerambycidae, subfamily Cerambycinae, and tribe Graciliini. The genus was established by Horn in 1885 and contains two described species: H. longipennis Linsley, 1935 and H. pallida Horn, 1885. Members of this genus are known from western North America, particularly in montane juniper-oak-pinyon woodland habitats.
Hypothyce
May beetles, Junebugs
Hypothyce is a genus of scarab beetles in the subfamily Melolonthinae, containing four described species in the United States. All species are restricted to isolated sandhill habitats along the North American Coastal Plain. The genus exhibits pronounced geographic isolation, with each species known from a single state: Texas, Georgia, or Alabama. Several species remain poorly known, with females undescribed for three of four species.
Hypsopygia
Hayworms
Hypsopygia is a genus of pyralid moths described by Jacob Hübner in 1825. Members are relatively large compared to other pyralids. The genus has undergone extensive taxonomic revision, with several former genera (Dolichomia, Herculia, Ocrasa, Orthopygia, Pseudasopia) now mostly merged into it. Species exhibit diverse ecological strategies: some are nest parasites of social wasps, while others are pests of stored hay and dried vegetation. Several species are attracted to light and are nocturnal.
Insara
western bush katydids
Insara is a genus of katydids commonly known as western bush katydids, established by Walker in 1869. The genus belongs to the tribe Insarini within the subfamily Phaneropterinae of family Tettigoniidae. Species in this genus are found primarily in western North America and Mexico, with at least 20 described species recognized. The genus is notable as a host for predatory wasps, particularly Sphex lucae, which paralyzes species such as Insara elegans (elegant bush katydid) to provision its nests.
Iridopsis defectaria
Brown-shaded Gray, brown-shaded gray moth
Iridopsis defectaria is a geometrid moth commonly known as the Brown-shaded Gray. It is widely distributed across eastern and central North America, ranging from Pennsylvania west to Iowa and Kansas, south to Texas, and east to Florida. Adults are nocturnal and attracted to light. The species was previously classified under the genus Anacamptodes, which has since been synonymized with Iridopsis.
Lacanobia grandis
Grand Arches Moth
Lacanobia grandis, commonly known as the Grand Arches Moth, is a species of cutworm or dart moth in the family Noctuidae. It is a nocturnal species attracted to light traps. The species has been documented in long-term moth monitoring studies, where it has shown variable abundance patterns typical of many noctuid moths.
Lacinipolia buscki
cutworm moth, dart moth
Lacinipolia buscki is a noctuid moth species described by Barnes and Benjamin in 1927. It belongs to the genus Lacinipolia, a group of owlet moths commonly known as cutworms or dart moths. The species has a disjunct distribution spanning Australia and North America, an unusual biogeographic pattern for a noctuid. Adults are attracted to light and are active during summer months. The MONA (Moth Photographers Group) or Hodges number for this species is 10421.
Lacinipolia comis
cutworm moth, dart moth
Lacinipolia comis is a species of owlet moth in the family Noctuidae, commonly known as a cutworm or dart moth. It was first described by Grote in 1876. The species is found in North America and is assigned MONA/Hodges number 10408. Like other members of the genus Lacinipolia, adults are nocturnal and attracted to lights.
Lacinipolia laudabilis
Laudable Arches Moth, Laudable Arches
Lacinipolia laudabilis, commonly known as the Laudable Arches Moth, is a small noctuid moth with a wingspan of 20–28 mm. Adults are active year-round and are attracted to light. The species exhibits color variation, with individuals ranging from mottled gray with reflective wing scales to green coloration. The larvae feed on herbaceous plants. The species is native to North and Central America but has been recorded in Great Britain, likely through accidental importation or rare immigration.
Lacinipolia longiclava
cutworm moth, dart moth
Lacinipolia longiclava is a species of owlet moth in the family Noctuidae, commonly known as a cutworm or dart moth. It is one of approximately 100 species in the genus Lacinipolia, which are primarily distributed across North America. The species was originally described by Smith in 1891 under the basionym Mamestra longiclava. Like other members of its genus, adults are attracted to light and are difficult to distinguish from congeners based on external appearance alone.
Lacinipolia marinitincta
cutworm moth, dart moth
Lacinipolia marinitincta is a species of cutworm or dart moth in the family Noctuidae, first described by Harvey in 1875. It belongs to the genus Lacinipolia, which contains medium-sized owlet moths that are often difficult to distinguish visually at the species level. The species is known from North America, with observations documented in the western United States including Colorado. Adults are nocturnal and attracted to light sources.
Lacinipolia quadrilineata
Four-lined Arches
Lacinipolia quadrilineata is a species of owlet moth (Noctuidae) commonly known as the Four-lined Arches. First described by Grote in 1873 from the basionym Mamestra quadrilineata, this moth occurs across North America. The genus Lacinipolia belongs to the tribe Eriopygini within the subfamily Noctuinae. Adults are attracted to lights at night and are active during the summer months.
Lacinipolia rectilinea
Lacinipolia rectilinea is a species of owlet moth in the family Noctuidae, first described by Smith in 1888. The genus Lacinipolia contains medium-sized nocturnal moths that are attracted to artificial light sources. Species within this genus are challenging to distinguish visually, often requiring examination of genitalia or other microscopic features for positive identification. The genus is part of the diverse Noctuinae subfamily, one of the largest groups of moths in North America.
Lacinipolia sareta
Sincere Arches
Lacinipolia sareta is a noctuid moth species found across western North America. It is one of the larger 'owlet moths' in the genus Lacinipolia, with adults showing variable coloration including gray and green forms. The species has two flight periods in its southern range, with adults active in early summer and again in autumn. Larvae are ground-dwelling and polyphagous, feeding on a variety of plant materials.
Lacinipolia sharonae
Sharon's Cutworm, Sharon's Dart
Lacinipolia sharonae is a species of cutworm moth in the family Noctuidae, described in 2001. It is part of the diverse owlet moth genus Lacinipolia, which contains numerous similar-looking species that are difficult to distinguish without close examination. The species is found in North America and has been assigned the MONA/Hodges number 10406.3. Like other members of its genus, adults are nocturnal and attracted to light.
Lacinipolia stenotis
cutworm moth, dart moth
Lacinipolia stenotis is a species of owlet moth in the family Noctuidae, described by Hampson in 1905. It belongs to a genus of cutworm or dart moths found in North America. The species is part of the diverse Noctuinae subfamily, which contains many nocturnal moths attracted to light. Like other members of its genus, it cannot be reliably identified to species by appearance alone.
Lacinipolia umbrosa
Lacinipolia umbrosa is an owlet moth in the family Noctuidae, native to North America. Like other members of the genus Lacinipolia, adults are nocturnal and attracted to light sources. The species was described by Smith in 1888 and is accepted as valid in current taxonomy. Available information on this species is limited, with few documented observations in public databases.
Lacinipolia vittula
cutworm moth, dart moth
Lacinipolia vittula is a species of owlet moth in the family Noctuidae, commonly known as cutworm or dart moths. The species was described by Grote in 1882 and occurs in North America. Like other members of its genus, adults are attracted to lights at night and exhibit variable coloration, with some individuals appearing mottled gray with reflective wing scales and others green.
Lebia atriventris
Lebia atriventris is a species of ground beetle in the family Carabidae, first described by Thomas Say in 1823. It is one of approximately 700 species in the genus Lebia, which is characterized by small, often brightly colored beetles commonly known as colorful foliage ground beetles. The species is documented from the United States and Canada. Members of this genus are typically found in vegetation and are attracted to lights at night.