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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

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Species Digrammia curvata - Hodges#6370

Digrammia curvata Digrammia curvata Digrammia #1: Digrammia curvata? - Digrammia curvata Shaded Granite - Digrammia curvata Geometrid Moth - Digrammia curvata Geometrid Moth - Digrammia curvata Digrammia curvata Digrammia curvata
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Macariini
Genus Digrammia
Species curvata (Digrammia curvata - Hodges#6370)
Hodges Number
Synonyms and other taxonomic changes
Semiothisa curvata
described in 1880 by Grote, who originally placed it in genus Phasiane
forewing length 1.0 - 1.3 cm (1)
Adult: forewing AM line thick, black, does not reach costa but often merges with median line to form V-shaped mark projecting from inner margin; PM line a smooth black curve, usually interrupted near costa; hindwing dappled gray with no obvious lines
British Columbia and southern Alberta south to eastern California, Nevada, Utah, and Colorado (1)
adults fly from March to August in California
See Also
Curve-lined Angle (Digrammia continuata) forewing AM and PM lines are continuous from inner margin to costa
Internet References
pinned adult images with date and location labels (Bruce Walsh, Moths of Southeastern Arizona)
presence in Colorado; list (Paul Opler, Lepidoptera of Colorado National Monument, USGS)
presence in Utah; list (Joel Johnson, Utah Lepidopterists Society)
presence in California; list of 16 specimen records with dates and locations (U. of California at Berkeley)
Works Cited
1.Moths of Western North America
Powell and Opler. 2009. UC Press.