Geometridae
Guides
Enypia griseata
mountain girdle
Enypia griseata, known as the mountain girdle, is a geometrid moth species described by Grossbeck in 1908. It belongs to the family Geometridae, commonly called inchworm or geometer moths. The species has been assigned MONA/Hodges number 7006 for North American moth identification systems. It is known to occur in North America.
Epimecis
Epimecis is a genus of geometer moths in the family Geometridae, subfamily Ennominae. The genus was established by Jacob Hübner in 1825 and contains approximately 22 described species distributed primarily in the Americas. Notable species include Epimecis hortaria (tulip-tree beauty) and Epimecis detexta (avocado spanworm moth). The genus is characterized by its placement within the diverse and species-rich Geometridae family.
Epirrhoe
Epirrhoe is a genus of moths in the family Geometridae, subfamily Larentiinae, containing approximately 17 described species distributed across the Holarctic region. The genus was established by Jacob Hübner in 1825. Species within this genus are generally small to medium-sized geometrid moths, many with characteristic wing patterns featuring contrasting dark and light markings. The Small Argent and Sable (Epirrhoe tristata) is among the better-known species, with a published chromosomally complete genome assembly.
Epirrhoe alternata
Common Carpet Moth, White-banded Toothed Carpet
A small to medium-sized geometrid moth with distinctive banded wing patterns. The species exhibits broad geographic distribution across the Palearctic, Near East, and North America. Adults are active primarily in spring and early summer. The species is well-documented with over 27,000 observations on iNaturalist, indicating it is frequently encountered and relatively conspicuous.
Epirrhoe plebeculata
Orange-winged Carpet
Epirrhoe plebeculata, commonly known as the Orange-winged Carpet, is a geometrid moth in the family Geometridae. It is distributed across North America, with confirmed records in Alberta and Saskatchewan, Canada. The species was first described by Guenée in 1858 and is recognized by MONA/Hodges number 7395. Two subspecies are recognized: E. p. plebeculata and E. p. vivida.
Epirrhoe sperryi
Sperry's Argent & Sable, small argent and sable
Epirrhoe sperryi is a geometrid moth in the subfamily Larentiinae, found in North America. The species is known from the Canadian prairie provinces of Alberta, Manitoba, and Saskatchewan. It belongs to a genus characterized by black-and-white patterned forewings, though specific diagnostic features for this species remain poorly documented in published literature.
Erannis
Erannis is a genus of geometer moths (Geometridae: Ennominae) erected by Jacob Hübner in 1825. The genus comprises approximately twelve species distributed primarily across the Holarctic region, with greatest diversity in northern temperate zones. Several species are significant forest pests, with larvae feeding on coniferous and deciduous trees. Taxonomic placement remains debated: some authorities recognize the tribe Erannini with Erannis as type genus, while others merge this group into Boarmiini or Bistonini.
Erannis tiliaria
Linden Looper, Linden Looper Moth, Winter Moth
Erannis tiliaria, commonly known as the linden looper or winter moth, is a North American geometrid moth described by Harris in 1841. Adult males are active in late fall and possess wings with a 32–42 mm wingspan, while females are wingless. The species has a broad distribution across eastern and central North America.
Erastria
Erastria is a genus of geometrid moths erected by Jacob Hübner in 1813. The genus contains approximately 30 described species distributed primarily in tropical and subtropical regions of Africa and Asia. Adults are characterized by distinctive morphological features including upturned palpi, minutely ciliated antennae in males, and abdominal dorsal tufts. Larvae possess four pairs of abdominal prolegs, consistent with the family Geometridae.
Erastria cruentaria
Thin-Lined Erastria
Erastria cruentaria is a North American geometrid moth commonly known as the thin-lined erastria. It belongs to the subfamily Ennominae and has been assigned Hodges number 6705. The species was first described by Jacob Hübner in 1799.
Ersephila
Ersephila is a genus of moths in the family Geometridae, subfamily Larentiinae. It was established by George Duryea Hulst in 1896 and contains two described species: Ersephila grandipennis and Ersephila indistincta. The genus is recognized as valid across major taxonomic databases.
Euacidalia brownsvillea
Euacidalia brownsvillea is a geometrid moth described by Cassino in 1931. The species exhibits an unusual disjunct distribution, occurring in both Texas and Hawaii. It belongs to the subfamily Sterrhinae, a group commonly known as wavy-line or carpet moths.
Euaspilates
Euaspilates is a genus of moths in the family Geometridae, established by Packard in 1874. The genus contains at least one described species, E. spinataria. As a member of the subfamily Ennominae, these moths belong to a diverse group of geometrid moths commonly known as inchworms or loopers due to their characteristic larval locomotion.
Euaspilates spinataria
Euaspilates spinataria is a species of geometrid moth in the family Geometridae, subfamily Ennominae. Described by Packard in 1874, it is native to North America. The species is represented by limited but verifiable observational records, with 37 documented observations on iNaturalist. As with many Geometridae, adults are likely nocturnal and possess the characteristic slender body form associated with inchworm moths.
Eubaphe
Eubaphe is a genus of moths in the family Geometridae, subfamily Larentiinae, erected by Jacob Hübner in 1823. The genus contains approximately ten described species distributed primarily in North America. Species within this genus are generally small to medium-sized geometrid moths. The genus has been documented through substantial observation records, indicating it is relatively well-represented in collections and citizen science data.
Eucaterva
Eucaterva is a genus of geometer moths in the family Geometridae, established by Augustus Radcliffe Grote in 1882. The genus contains two recognized species: Eucaterva variaria (the type species) and Eucaterva bonniwelli. It belongs to the subfamily Ennominae, one of the largest and most diverse groups within Geometridae. The genus is known from western North America.
Eucaterva variaria
Eucaterva variaria is a geometrid moth species described by Grote in 1882. It is distributed across Central America and North America. The species feeds on desert willow (Chilopsis linearis). It serves as a host for the parasitoid wasp Pimpla sanguinipes (Coccygomimus sanguinipes).
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 amoenaria
Deep Yellow Euchlaena Moth
Euchlaena amoenaria, commonly known as the Deep Yellow Euchlaena Moth, is a geometrid moth species native to eastern North America. Adults are medium-sized with a wingspan of 30–50 mm and exhibit bivoltine flight activity from May through September. The species is attracted to artificial light sources and has been documented in deciduous forest habitats. Larval host plants remain unknown, though related Euchlaena species feed on deciduous tree foliage.
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 madusaria
Scrub Euchlaena Moth
Euchlaena madusaria, commonly known as the scrub euchlaena moth, is a geometrid moth species native to North America. It inhabits dry woodlands across a broad transcontinental range from British Columbia to Nova Scotia and southward to Florida, Missouri, and Oregon. The species has a wingspan of approximately 28 mm and is listed as threatened in Connecticut, indicating conservation concern in parts of its range.
Euchlaena marginaria
Ochre Euchlaena Moth
Euchlaena marginaria, commonly known as the ochre euchlaena moth, is a geometrid moth found in deciduous and mixedwood forests across North America. Adults have a wingspan of approximately 40 mm and are active from May to August. The species exhibits geographic variation in voltinism, with one generation annually in northern populations and two generations in southern populations. Larvae are twig mimics that feed on woody plants in several genera.
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 obtusaria
Obtuse Euchlaena Moth
Euchlaena obtusaria is a geometrid moth found across North America in mixed wood forests. Adults have a wingspan of 27–48 mm and are active from spring through late summer. Larvae feed on Rosa and Impatiens species. The species was first described by Jacob Hübner in 1813.
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.
Eudulini
Eudulini is a tribe of geometer moths within the subfamily Larentiinae. The tribe contains at least three genera: Eubaphe, Eudule, and Eudulophasia. These moths are part of a diverse group of Larentiinae, which are predominantly found in temperate and tropical regions. The tribe has been documented through thousands of observations, indicating substantial field presence.
Eufidonia
Powdered Geometer Moths
Eufidonia is a genus of moths in the family Geometridae, first described by Packard in 1876. Commonly known as Powdered Geometer Moths, this genus contains at least three recognized species distributed in North America. The genus is classified within the subfamily Ennominae, a diverse group of geometer moths.
Eufidonia convergaria
Pine Powder Moth, Converged Powder Moth
Eufidonia convergaria is a North American geometrid moth commonly known as the pine powder moth. The species is strongly associated with Pinus forests across northern and western regions of the continent. Adults are active in late spring and early summer, with larvae specialized on pine foliage.
Eufidonia notataria
Powder Moth
Eufidonia notataria, commonly known as the powder moth, is a North American geometrid moth with a wingspan of 22–27 mm. Adults are active from May to July with a single annual generation. The larvae feed on coniferous trees including balsam fir, eastern hemlock, eastern larch, and spruces.
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.
Eulithis
grapevine loopers, spinach moths, chevron moths
Eulithis is a Holarctic genus of geometrid moths in the tribe Cidariini, established by Jacob Hübner in 1821. The genus contains approximately 25 described species distributed across the Northern Hemisphere. Several species are notable for their distinctive wing patterns, including chevron markings, and some have acquired common names reflecting their larval host plants or wing patterns, such as the grapevine loopers and spinach moths.
Eulithis destinata
Eulithis destinata is a species of geometrid moth in the family Geometridae, first described by Möschler in 1860. It is native to North America, with documented records from the Canadian provinces of Alberta, Manitoba, and Saskatchewan, as well as the U.S. state of Vermont. The species is assigned MONA (Moth Photographers Group) Hodges number 7204.
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.
Eulithis molliculata
Dimorphic Eulithis Moth, dimorphic eulithis
Eulithis molliculata, commonly known as the Dimorphic Eulithis Moth, is a geometrid moth in the subfamily Larentiinae. The species is found throughout North America. Its larvae feed on common ninebark (Physocarpus opulifolius), a native shrub. The common name 'dimorphic' refers to distinct color variations in adult specimens.
Eulithis xylina
Northwestern Phoenix Moth
Eulithis xylina is a geometrid moth native to North America, commonly known as the northwestern phoenix moth. The species is assigned Hodges number 7207 in the North American Moth Photographers Group system. It belongs to the subfamily Larentiinae, a diverse group of carpet moths. The species was originally described as Neolexia xylina by George D. Hulst in 1896.
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 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 adequata
Eupithecia adequata is a small geometrid moth described by Pearsall in 1910. It belongs to the diverse 'pug' genus Eupithecia, characterized by narrow wings and a distinctive resting posture. The species occurs in the southwestern United States and has been documented as a nocturnal visitor to apple flowers, contributing to pollination services.
Eupithecia affinata
Pug moth
Eupithecia affinata is a small geometrid moth first described by Pearsall in 1908. The species belongs to the genus Eupithecia, commonly known as "pugs," characterized by narrow wings and a distinctive resting posture. It has been documented visiting apple flowers at night, contributing to nocturnal pollination services in agricultural settings. The species is distributed across eastern and southwestern North America.
Eupithecia agnesata
pug moth
Eupithecia agnesata is a small geometrid moth described by Taylor in 1908. It occurs in western North America from California through Oregon, Washington, and Wyoming to British Columbia. Adults are active from April to September and have been observed visiting apple flowers, contributing to nocturnal pollination services.
Eupithecia annulata
larch pug moth
Eupithecia annulata, commonly known as the larch pug moth, is a small geometrid moth first described by George Duryea Hulst in 1896. The species is notable for its broad distribution across North America, ranging from the Yukon to Newfoundland and south to California and Colorado. Adults are active in spring, with larvae feeding on a diverse array of coniferous and some deciduous host plants including larch, spruce, fir, Douglas-fir, and western red cedar.
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 bowmani
Pug moth
Eupithecia bowmani is a small moth in the family Geometridae, first described by Cassino & Swett in 1923. The species occurs in the Rocky Mountains region of western Canada and the north-central United States. Adults are active in spring and early summer and have been documented visiting apple flowers, where they may contribute to nocturnal pollination. Like other members of the genus Eupithecia, this species exhibits the characteristic narrow-winged resting posture of 'pug' moths.
Eupithecia castellata
Eupithecia castellata is a small moth in the family Geometridae. It occurs in western North America from California and Nevada north to Washington. The species has a wingspan of approximately 21 mm. Like other members of the genus Eupithecia, it is nocturnal and has been observed visiting flowers at night.
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 coconinoensis
Coconino Pug
Eupithecia coconinoensis is a species of inchworm moth in the family Geometridae. As a member of the genus Eupithecia, commonly known as "pugs," it exhibits the narrow wings and distinctive resting posture characteristic of this group. The species has been documented visiting apple flowers at night, contributing to nocturnal pollination services. Observations suggest it occurs in forested habitats in western North America.
Eupithecia coloradensis
Eupithecia coloradensis is a small moth in the family Geometridae, first described by George Duryea Hulst in 1896. It belongs to the genus Eupithecia, commonly known as "pug" moths, recognized by their narrow wings and distinctive resting posture. The species has been documented visiting apple flowers at night, contributing to nocturnal pollination services. Like other Eupithecia species, it is likely a microlepidopteran pollinator with ecological roles that extend beyond its larval stage.
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 cretaceata
Cretaceous Pug
Eupithecia cretaceata is a small geometrid moth commonly known as a 'pug' moth. It occurs across much of North America and parts of Europe. The species is notable for its specialized larval diet on Veratrum species and has been documented as a nocturnal pollinator of apple flowers. Adults fly during summer months and are attracted to light.