Nocturnal
Guides
Eulithis mellinata
The Spinach
Eulithis mellinata, commonly known as The Spinach, is a moth in the family Geometridae. Its distribution across the Palearctic and Nearctic regions is patchy and locally restricted due to dependence on a specialized larval food plant. The species is fairly common in England and Wales but rare in Scotland and Ireland. Adults are nocturnal and attracted to light.
Eumorpha achemon
Achemon Sphinx, Grape Sphinx
Eumorpha achemon, commonly known as the Achemon Sphinx or Grape Sphinx, is a large sphinx moth native to North America. Adults are notable for their attractive pink hindwings, which contrast with their cryptic forewings. The species is considered uncommon throughout its range and is the only member of its genus found in California. Larvae are large hornworms that feed exclusively on grape leaves.
Eumorpha intermedia
Intermediate Sphinx
Eumorpha intermedia is a sphinx moth (Sphingidae) described by Benjamin Preston Clark in 1917. It is found in the southeastern United States, with adults active from spring through fall. The species is most readily distinguished from close relatives by wing coloration and pattern, particularly the pink-tinged forewing underside. Larvae feed on woody vines in the grape family.
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 the largest genus of moths in the family Geometridae, with over 1,400 described species. Members are commonly known as pugs and are found on every continent except Australasia. Adults are small (typically 12–35 mm), with muted colors and a distinctive resting posture where forewings are held flat at right angles to the body. Species-level identification is difficult and often requires examination of dissected genitalia.
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 absinthiata
Wormwood Pug
Eupithecia absinthiata, commonly known as the Wormwood Pug, is a small moth in the family Geometridae. It belongs to the large genus Eupithecia, whose members are often called 'pugs' and are recognized by their narrow wings and distinctive resting posture. The species has been documented as a nocturnal visitor to apple flowers, contributing to pollination services. It occurs across the Palearctic region, the Near East, and North America.
Eupithecia acutipennis
Eupithecia acutipennis is a small geometrid moth first described by George Duryea Hulst in 1898. It is endemic to California and belongs to the diverse 'pug' moth genus Eupithecia, characterized by narrow wings and a distinctive resting posture. Adults are active during fall, winter, and early spring, with flight records spanning October through April. The species is one of many Eupithecia found in western North America.
Eupithecia albimontanata
Eupithecia albimontanata is a small moth in the family Geometridae, commonly known as a 'pug' moth due to its narrow wings and characteristic resting posture. The species was described by McDunnough in 1940 and is found in the southwestern United States. Adults have a wingspan of approximately 19 mm. Like other Eupithecia species, it has been observed visiting flowers at night.
Eupithecia anticaria
pug moth
Eupithecia anticaria is a small moth in the family Geometridae, first described by Francis Walker in 1862. It is widely distributed across North America, from eastern Canada to the western United States. The species has a wingspan of approximately 18 mm and is active as an adult from May to July. It has been documented visiting apple flowers, contributing to nocturnal pollination services.
Eupithecia assimilata
currant pug
Eupithecia assimilata, commonly known as the currant pug, is a small moth in the family Geometridae. The species occurs across the Nearctic and Palearctic regions, including Europe, North America, and extending east to the Ural Mountains, Ussuri region, and Sakhalin. It has been documented as a nocturnal visitor to apple flowers, contributing to pollination services. The species was first described by Henry Doubleday in 1856.
Eupithecia bryanti
Bryant's Pug
Eupithecia bryanti is a pug moth in the family Geometridae, first described by Taylor in 1906. It is distributed across western North America from Alaska and Canada through the western United States to California. Adults are active from spring through summer.
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 classicata
Eupithecia classicata is a geometrid moth described by Pearsall in 1909. It occurs in the southwestern United States and northern Mexico, specifically in Arizona and Durango. The species belongs to the 'pug' moths, a group recognized by their narrow wings and distinctive resting posture. Larvae feed on Arbutus arizonica flowers or leaf buds. Adults have been observed visiting apple flowers, suggesting a potential role in nocturnal pollination.
Eupithecia columbrata
Eupithecia columbrata is a species of pug moth in the family Geometridae, first described by McDunnough in 1940. The genus Eupithecia, commonly known as 'pugs,' is recognized by narrow wings and a distinctive resting posture. Members of this genus are among the most diverse and challenging to identify within Geometridae, with many species requiring microscopic examination of genitalia for definitive identification. Eupithecia moths have been documented as nocturnal visitors to flowering plants, including apple blossoms, contributing to pollination services.
Eupithecia harrisonata
Eupithecia harrisonata is a small moth in the family Geometridae, commonly known as a 'pug' moth. It occurs in western North America from British Columbia to California. Adults are active in spring (March to May) and again in summer (July to August). Like other Eupithecia species, it has been observed visiting flowers and may contribute to nocturnal pollination.
Eupithecia helena
Eupithecia helena is a small geometrid moth in the genus Eupithecia, commonly known as pug moths. It is found in the western United States from Arizona and New Mexico north through Utah to Montana. Adults are active during summer months, with records from July to August. The species has been documented visiting apple flowers, contributing to nocturnal pollination services.
Eupithecia intricata
Freyer's Pug Moth
Eupithecia intricata, commonly known as Freyer's Pug Moth, is a species of geometrid moth in the family Geometridae. The species occurs across a broad geographic range spanning Europe, Russia, Kazakhstan, China, and North America. As a member of the genus Eupithecia, it is characterized by the narrow wings and distinctive resting posture typical of "pug" moths. The species was first described by Zetterstedt in 1839 under the basionym Larentia intricata.
Eupithecia johnstoni
Johnston's Pug
Eupithecia johnstoni is a small moth in the family Geometridae, commonly known as a pug moth. It is found across western and central North America, from British Columbia and Alberta to California and Colorado, with additional records from Michigan and the Maritimes. Adults have a wingspan of approximately 18 mm and are active from March through August. The species has been documented visiting apple flowers, contributing to nocturnal pollination services.
Eupithecia lafontaineata
Eupithecia lafontaineata is a small moth in the family Geometridae, described by Bolte in 1990. It belongs to the large genus Eupithecia, commonly known as pug moths. The species is found in western North America, with adults active during summer months. Like other members of its genus, it exhibits the narrow-winged morphology and distinctive resting posture characteristic of pug moths.
Eupithecia longidens
Eupithecia longidens is a small moth in the family Geometridae, commonly known as a 'pug' moth. It is native to the southwestern United States, with confirmed records from Texas, Arizona, New Mexico, Colorado, and Utah. The species has a wingspan of approximately 19 mm. Like other members of the genus Eupithecia, it exhibits a distinctive resting posture with narrow wings held tightly against the body.
Eupithecia longipalpata
Long-palp Pug
Eupithecia longipalpata is a species of pug moth in the family Geometridae, first described by Packard in 1876. It is distinguished from other members of the palpata group by its larger wingspan of 23–26 mm. The species occurs in western North America from coastal British Columbia south to northern California. Larvae feed exclusively on conifer needles, with documented hosts spanning multiple genera including Abies, Pseudotsuga, Tsuga, Thuja, Picea, and Pinus.
Eupithecia miserulata
Common Eupithecia, Common Eupithecia Moth
Eupithecia miserulata, the Common Eupithecia, is a small North American moth in the family Geometridae. Adults have a wingspan of 12–20 mm and are active from March to November depending on location. The species exhibits considerable geographic variation across its range, with three recognized subspecies. It has been documented visiting apple flowers and may contribute to nocturnal pollination services.
Eupithecia multistrigata
Eupithecia multistrigata is a small moth in the family Geometridae, first described by George Duryea Hulst in 1896. It is widespread across western North America, ranging from the Canadian provinces of Alberta and Saskatchewan south through the western United States to Arizona and New Mexico. The species has a wingspan of approximately 20 mm. Like other members of the genus Eupithecia, commonly known as "pugs," it exhibits the characteristic narrow wings and distinctive resting posture typical of this diverse group of inchworm moths.
Eupithecia mystiata
Eupithecia mystiata is a small moth in the family Geometridae, first described by Samuel E. Cassino in 1925. It belongs to the large genus Eupithecia, commonly known as 'pug' moths due to their distinctive narrow wings and resting posture. The species has been documented as a nocturnal visitor to apple flowers, contributing to nighttime pollination services. Adults are active in early spring.
Eupithecia nimbosa
Pug moth
Eupithecia nimbosa is a small geometrid moth described by George Duryea Hulst in 1896. It occurs throughout the Rocky Mountains from Arizona to the Canada–US border. Like other members of its genus, it has narrow wings and a distinctive resting posture. The species has been documented visiting apple flowers at night, contributing to nocturnal pollination of fruit crops.
Eupithecia perfusca
Pug moth
Eupithecia perfusca is a small moth in the family Geometridae, first described by George Duryea Hulst in 1898. It is found in western North America. The species has a wingspan of approximately 21 mm. Larvae feed on Salix (willow), Alnus (alder), and Betula (birch) species. Adults have been observed visiting apple flowers, suggesting a role in nocturnal pollination.
Eupithecia persimulata
Eupithecia persimulata is a small geometrid moth in the genus Eupithecia, commonly known as "pugs." It is found in the southwestern United States, specifically in south-western Texas and Arizona. The species has a wingspan of approximately 18 mm. Adults are active in August and have been documented visiting apple flowers, contributing to nocturnal pollination services.
Eupithecia pertusata
Eupithecia pertusata is a small moth in the family Geometridae, commonly known as pug moths. It is restricted to the southwestern United States, occurring in Texas, Arizona, and New Mexico. The species has a wingspan of approximately 17 mm. Like other Eupithecia species, it is nocturnal and has been documented visiting flowers, contributing to nighttime pollination services.
Eupithecia phyllisae
Eupithecia phyllisae is a small moth in the family Geometridae, first described by Rindge in 1963. It is endemic to the southwestern United States, known only from New Mexico and Arizona. The species is named in honor of Phyllis Rindge, the wife of the author. Like other members of the genus Eupithecia, it is a nocturnal moth attracted to light sources.
Eupithecia pinata
Eupithecia pinata is a species of moth in the family Geometridae, described by Samuel E. Cassino in 1925. It is known from North America, with records from Arizona. Like other members of the genus Eupithecia, it is a pug moth, a group characterized by small size and relatively plain wing patterns. The species has been documented visiting apple flowers in Arkansas, where it was observed as part of a nocturnal pollinator community.
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 satyrata
Satyr Pug
Eupithecia satyrata, commonly known as the satyr pug, is a small geometrid moth with a broad distribution spanning northern and central Europe, Russia, central Asia, Tibet, North Africa, and North America. Adults exhibit considerable variation in wing pattern, with ground colors ranging from ash to grey or brownish. The species is univoltine, with adults active from March through September. Larvae feed on the flowers of diverse plant genera including Achillea, Scabiosa, Solidago, Senecio, and Erica tetralix. The species has been documented as a nocturnal visitor to apple flowers, contributing to pollination services.
Eupithecia segregata
Pug moth
Eupithecia segregata is a small moth in the family Geometridae described by Pearsall in 1910. It is one of many 'pug' moths in the genus Eupithecia, recognized by their narrow wings and distinctive resting posture. The species shows considerable phenotypic variation and exhibits altitudinal variation in flight period timing.
Eupithecia sharronata
Eupithecia sharronata is a small moth in the family Geometridae, described by Bolte in 1990. It is known from multiple Canadian provinces and has been documented as a nocturnal visitor to apple flowers, contributing to pollination. The species belongs to the diverse 'pug' genus Eupithecia, whose members are recognized by their narrow wings and characteristic resting posture.
Eupithecia unicolor
Pug Moth
Eupithecia unicolor is a small geometrid moth native to western North America. Adults are active from spring through late autumn, with a wingspan of approximately 21 mm. The species is notable for its narrow wings and characteristic resting posture typical of pug moths. Larvae feed on coniferous trees including juniper, western redcedar, and Alaska cedar.
Eupithecia vargoi
Eupithecia vargoi is a species of inchworm moth in the family Geometridae. Like other members of the genus Eupithecia, it is characterized by narrow wings and a distinctive resting posture. The species has been documented visiting apple flowers at night, contributing to nocturnal pollination of fruit crops. It belongs to a diverse genus of small moths commonly known as "pugs," many of which are challenging to identify to species level without detailed examination.
Eupithecia zelmira
Eupithecia zelmira is a small geometrid moth described by Swett and Cassino in 1920. It occurs in the western United States, specifically Oregon and California. Adults are active across an unusually broad period, with records from February through July and again in December. The species has been documented visiting apple flowers, contributing to nocturnal pollination services.
Eupithecia zygadeniata
Eupithecia zygadeniata is a North American moth in the family Geometridae, first described by Alpheus Spring Packard in 1876. Adults are active in June and July. The species is known from Texas and Montana. Larvae feed within the seed capsules of Schoenocaulon texanum, a plant in the family Melanthiaceae.
Eurrhypini
Eurrhypini is a tribe of grass moths within the family Crambidae. Members of this tribe are small to medium-sized moths with narrow wings and slender bodies. They are associated with grassy and wetland habitats, where their larvae feed on monocotyledonous plants. The tribe includes several genera distributed across temperate and tropical regions.
Eusattus
sand darkling beetle
Eusattus is a genus of darkling beetles in the family Tenebrionidae, established by J.L. LeConte in 1851. Species within this genus are associated with sandy habitats in western North America. The genus is represented by at least one well-documented species, Eusattus reticulatus, which has been observed in juniper-oak-pinyon woodland on sandstone escarpments.
Eusattus productus
Eusattus productus is a species of darkling beetle in the family Tenebrionidae, described by John Lawrence LeConte in 1858. The genus Eusattus comprises small to medium-sized tenebrionids associated with sandy or loose soil habitats. The species is known from Mexico, with records indicating occurrence in arid or semi-arid regions. Like other members of the genus, it is likely nocturnal and ground-dwelling, though specific behavioral observations remain limited.
Eustixia pupula
Spotted Peppergrass Moth
Eustixia pupula, the Spotted Peppergrass Moth, is a small crambid moth and the sole species in its genus. It occurs across eastern North America from Massachusetts to Florida and west to Texas, with records extending north to Ontario. The species is attracted to artificial light and has been documented in residential yards and urban settings.
Eutrichillus
Eutrichillus is a genus of longhorn beetles in the subfamily Lamiinae, established by Henry Walter Bates in 1885. The genus comprises six described species distributed in North America, including Eutrichillus biguttatus, E. brevipilus, E. canescens, E. comus, E. neomexicanus, and E. pini. Members of this genus are associated with coniferous trees, particularly pines.
Eutrichillus biguttatus
Eutrichillus biguttatus is a longhorn beetle in the subfamily Lamiinae, described by LeConte in 1852. It belongs to the tribe Acanthocinini and is native to North America. The species has been documented from Canada (Québec) and the northeastern United States (Vermont).
Eutrichillus neomexicanus
Eutrichillus neomexicanus is a species of longhorn beetle in the subfamily Lamiinae, first described by Champlain and Knull in 1925. Field observations indicate adults are attracted to recently dead Pinus edulis (Colorado pinyon pine) and are active nocturnally. The species has been collected at lights and observed on dead pine branches in pinyon/juniper/oak woodland habitats.
Euxoa atomaris
Euxoa atomaris is a noctuid moth species first described by Smith in 1890. Adults are active from July to September and have a wingspan of 30–34 mm. The species is distributed across western North America from the northern Great Plains to the southwestern United States. Three subspecies are recognized: E. a. atomaris, E. a. detesta, and E. a. esta.
Euxoa auxiliaris
Army Cutworm Moth, Miller Moth
Euxoa auxiliaris, the army cutworm moth, is a seasonal migrant and agricultural pest in the Great Plains of North America. The larval stage damages field crops by cutting stems and feeding on foliage, while adults undertake remarkable long-distance migrations to alpine talus slopes in the Rocky Mountains to escape summer heat. These aggregations serve as a critical, high-calorie food source for grizzly bears during their pre-hibernation hyperphagia. Adults are commonly called 'miller moths' due to the fine, easily-shed wing scales that resemble flour dust.
Euxoa bifasciata
Euxoa bifasciata is a species of cutworm or dart moth in the family Noctuidae, first described by Smith in 1888. The species is found in North America and is assigned Hodges number 10796. Three subspecies are recognized: E. b. bifasciata, E. b. bisagittifera Benjamin, and E. b. lowensis Benjamin. Like other Euxoa species, it is a nocturnal moth whose larvae are known as cutworms.