Geometridae
Guides
Tornos punctata
Tornos punctata is a species of geometrid moth described by Druce in 1899. It belongs to the family Geometridae, commonly known as inchworm or geometer moths. The species is recorded from both Middle America and North America. Beyond taxonomic classification and distribution records, specific biological details about this species remain poorly documented in available sources.
Tracheops
Tracheops is a genus of moths in the family Geometridae, established by George Duryea Hulst in 1896. The genus contains a single described species, Tracheops bolteri. It belongs to the subfamily Ennominae, a diverse group of geometrid moths commonly known as inchworms or loopers due to their larval locomotion.
Trichodezia
white-striped black (for T. albovittata)
Trichodezia is a genus of geometrid moths in the subfamily Larentiinae, described by Warren in 1895. The genus contains at least five described species distributed in North America. One species, Trichodezia albovittata, is notable for being exclusively diurnal while retaining functional hearing organs, a trait that challenges assumptions about the evolutionary fate of anti-bat defenses in day-flying moths.
Trichodezia albovittata
white-striped black moth, White-striped Black
A small geometrid moth with a distinctive black-and-white pattern. Adults are exclusively diurnal, an unusual trait among geometrids. The species retains functional hearing organs despite its daytime activity, representing an evolutionary puzzle of sensory persistence without apparent predation pressure from bats.
Trichodezia californiata
California Black
Trichodezia californiata is a moth species in the family Geometridae, subfamily Larentiinae. It is endemic to western North America with a range spanning from Washington through Oregon to California. The common name 'California Black' refers to its dark coloration. The species was first described by Packard in 1871.
Trichopterygini
Trichopterygini is a tribe of geometer moths in the subfamily Larentiinae. Australian members include three genera (Episteira, Tympanota, and Sauris) with 14 recognized species, eight of which were described as new in a 1980 revision. The tribe occurs in the Oriental Region, Pacific islands, and Australia, with a predominantly eastern and northern distribution on the Australian mainland. No species are known from Tasmania.
Trigrammia quadrinotaria
Four-spotted Angle
Trigrammia quadrinotaria, commonly known as the Four-spotted Angle, is a North American geometrid moth in the family Geometridae. The species was described by Herrich-Schäffer in 1855. It is attracted to blacklight and has been documented in urban and semi-rural settings during spring surveys.
Triphosa
Triphosa is a genus of moths in the family Geometridae, subfamily Larentiinae, established by Stephens in 1829. The genus occurs across the Holarctic region, with species documented in Europe, Asia, and North America. Several species, notably Triphosa dubitata and T. sabaudiata, exhibit obligate cave-dwelling behavior as adults, a distinctive ecological trait within the Geometridae. The genus has been subject to recent taxonomic revision in the Western Palaearctic, resulting in synonymies and description of new species.
Triphosa haesitata
Tissue Moth
Triphosa haesitata, commonly known as the tissue moth, is a geometrid moth in the family Geometridae. It occurs across much of North America with two recognized subspecies: T. h. affirmaria and the nominate T. h. haesitata. The species belongs to the subfamily Larentiinae, a diverse group of carpet moths.
Venusia
Venusia is a genus of moths in the family Geometridae, subfamily Larentiinae. The genus was established by Curtis in 1839 and contains numerous species distributed across various regions, including at least seven species documented from Xizang (Tibet), China. Species in this genus are small to medium-sized geometrid moths, many with distinctive wing patterns. Taxonomic identification relies heavily on genitalia morphology.
Venusia comptaria
brown-shaded carpet moth
Venusia comptaria is a small geometrid moth found in eastern North America. Adults have a wingspan of approximately 20 mm. The species inhabits woodland environments across a broad latitudinal range from Florida to Newfoundland. It was first described by Francis Walker in 1860.
Vinemina perdita
Vinemina perdita is a species of geometrid moth described by Guedet in 1939. It belongs to the family Geometridae, commonly known as inchworm or geometer moths, characterized by their slender bodies and the looping movement of their larvae. The genus Vinemina is placed within the subfamily Ennominae, a diverse group of geometrid moths found primarily in North America.
Xanthorhoe
Xanthorhoe is a genus of carpet moths in the family Geometridae, subfamily Larentiinae. The genus was established by Jacob Hübner in 1825 and contains numerous species distributed across the northern Palaearctic region. Several species are widespread and common, while others have restricted endemic distributions. The genus is characterized by distinctive wing patterns with bands or lines, and larvae are typically associated with herbaceous plants. Some species have experienced population declines, including Xanthorhoe bulbulata in New Zealand, which is feared possibly extinct.
Xanthorhoe fossaria
Xanthorhoe fossaria is a geometrid moth in the subfamily Larentiinae, first described by Taylor in 1906. It is native to North America and assigned Hodges number 7380 in the North American moth numbering system. The species belongs to a genus of carpet moths characterized by relatively small size and typically patterned forewings. Beyond basic taxonomic placement and geographic distribution, detailed biological information for this species remains limited in the available literature.
Xanthorhoe macdunnoughi
Xanthorhoe macdunnoughi is a geometrid moth first described by Louis W. Swett in 1918. It occurs in open wooded areas of western North America, with records extending east to western Alberta and south to California. The species has a wingspan of approximately 28 mm and is assigned MONA/Hodges number 7372.
Xanthorhoe packardata
Packard's Carpet
Xanthorhoe packardata, commonly known as Packard's Carpet, is a North American moth species in the family Geometridae. Described by James Halliday McDunnough in 1945, this species belongs to the diverse carpet moth genus Xanthorhoe. The species has been documented across prairie and boreal regions of Canada and the northern United States, with 265 observations recorded on iNaturalist. As with many Xanthorhoe species, detailed biological information remains limited in the scientific literature.
Xanthorhoini
Xanthorhoini is a tribe of geometer moths within the subfamily Larentiinae, described by Pierce in 1914. The tribe is notably diverse in Tasmanian grasslands, where 53 species have been documented. These moths have been studied as indicators of environmental change due to their differential susceptibility to habitat disturbance.
Xanthotype
Crocus Geometer Moths
Xanthotype is a genus of geometrid moths in the subfamily Ennominae, containing five described species distributed in North America. The genus was established by Warren in 1894. Species are commonly known as crocus geometer moths, though they cannot be reliably identified to species from photographs alone. The genus includes the well-known crocus geometer (Xanthotype sospeta), described by Drury in 1773, and several species described by Swett in 1918.
Xanthotype sospeta
Crocus Geometer
Xanthotype sospeta, commonly known as the crocus geometer, is a pale yellow geometrid moth first described from Jamaica in 1773. It occurs across much of North America from Nova Scotia to British Columbia and south to Colorado and Georgia. The species inhabits deciduous and mixedwood forests. Adults are distinguished by faint brown streaks on the wings and a wingspan of approximately 62 mm. Larvae feed on low-growing shrubs and herbs including willow, dogwood, and viburnum species.
Xerochlora
Xerochlora is a genus of emerald moths in the family Geometridae, erected by Ferguson in 1969. The genus contains five described species, all restricted to North America with distributions centered in the southwestern United States and extending into Mexico and Central America. Most species show strong affinities for arid and semi-arid regions. The genus is classified within the subfamily Geometrinae, commonly known as the emerald moths.
Xerochlora martinaria
Xerochlora martinaria is a species of emerald moth in the family Geometridae, described by Sperry in 1948. It is one of relatively few described species in the genus Xerochlora. The species is known from limited records in North America.
Xerochlora masonaria
Xerochlora masonaria is a species of emerald moth in the family Geometridae, subfamily Geometrinae. The species was described by Schaus in 1897 and occurs in North and Middle America. As a member of the emerald moth group, it likely exhibits the characteristic green coloration typical of this lineage, though specific documentation of its appearance remains limited. The genus Xerochlora contains relatively few described species, and X. masonaria represents one of the less commonly encountered members of this group based on available observation records.
Yermoia
Yermoia is a genus of geometer moths in the family Geometridae, subfamily Ennominae, erected by Canadian entomologist James Halliday McDunnough in 1940. The genus contains two described species: Yermoia perplexata (the type species) and Yermoia glaucina. It is a small genus with limited published information regarding its biology and ecology.
Zenophleps
Zenophleps
Zenophleps is a genus of moths in the family Geometridae, first described by George Duryea Hulst in 1896. The genus belongs to the subfamily Larentiinae and contains four recognized species distributed in North America. These moths are part of the diverse geometrid lineage commonly known as inchworms or loopers, though specific biological details for most Zenophleps species remain poorly documented.
Zenophleps alpinata
Alpine Zenophleps
Zenophleps alpinata is a small geometrid moth described by Samuel E. Cassino in 1927. The species is known from western Canadian provinces, with records from Alberta, British Columbia, Saskatchewan, and Manitoba. Adults have a wingspan of approximately 25 millimetres. The specific epithet 'alpinata' suggests an association with alpine or high-elevation habitats.
Zenophleps pallescens
Zenophleps pallescens is a species of geometrid moth in the family Geometridae, subfamily Larentiinae. It was described by James Halliday McDunnough in 1938. The species is native to North America. As a member of the genus Zenophleps, it belongs to a group of relatively obscure geometrid moths with limited published documentation.