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Species Nemoria darwiniata - Columbian Emerald - Hodges#7035

285 Nemoria darwiniata - Darwin's Emerald Moth 7035 - Nemoria darwiniata Columbian Emerald - Nemoria darwiniata Columbian Emerald - Nemoria darwiniata Nemoria darwiniata Geometrinae - Nemoria darwiniata Is this a Common Emerald Hemithea-aestivaria? - Nemoria darwiniata Columbian Emerald Moth - Nemoria darwiniata Nemoria daedalea - Nemoria darwiniata
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 Geometrinae (Emeralds)
Tribe Nemoriini
Genus Nemoria
Species darwiniata (Columbian Emerald - Hodges#7035)
Hodges Number
Other Common Names
Darwin's Emerald
Synonyms and other taxonomic changes
Nemoria darwiniata (Dyar, 1904)
wingspan 27-34 mm
Adult: forwing green with straight white PM line and fainter oblique AM line; veins faint, whitish; costa and fringe white; orange dot at apex; thorax green; abdomen light green or brown with white dorsal spots surrounded by reddish-brown ring
hindwing similar but PM line with slight bend in middle; tiny reddish or orange discal spot on all wings (a distinctive feature)

Larva: color extremely variable (white, yellow, pale brown, light green, silver, or dark brown); abdominal segments 2-5 with pointed lateral flanges; integument granulate, almost velvety
British Columbia to California, east to New Mexico, north to Alberta
mountain forests
adults fly from June to August
larvae from March to September
larvae feed on leaves and flowers of various trees and shrubs: oak (Quercus spp.), Myrica, Oceanspray (Holodiscus discolor), Black Hawthorn (Crataegus douglasii), manzanita (Arctostaphylos spp.), Antelope Bitterbrush (Purshia tridentata), Snowbrush (Ceanothus velutinus), Smooth Sumac (Rhus glabra), Scouler's Willow (Salix scouleriana)
See Also
The only other Emerald moth with reddish discal spots is Nemoria zelotes, which has a prominent red terminal line on all wings, and is apparently restricted to Arizona.
Internet References
pinned adult image plus common name reference [Columbian Emerald], habitat, flight season, description, distribution (G.G. Anweiler, U. of Alberta)
live adult image plus common name reference [Darwin's Emerald] (Marty Cordano, Arizona)
pinned adult image plus description, flight season, food plants (Jeff Miller, Macromoths of Northwest Forests and Woodlands; USGS)
pinned adult image (Bruce Walsh, Moths of Southeastern Arizona)
live larva image plus description, food plants, seasonality (Jeff Miller, Caterpillars of Pacific Northwest Forests and Woodlands; USGS)
variation in larval color and comprehensive list of food plants (Adam Ehmer, U. of Montana)
distribution in Canada list of provinces (CBIF)
presence in New Mexico recorded by John Glaser in 2002 (Lepidopterists Society Season Summary, U. of Florida)