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Species Ethmia semilugens - Hodges#0976

Hodges#976 - Ethmia semilugens moth - Ethmia semilugens moth - Ethmia semilugens Ethmia semilugens Ethmia semilugens? - Ethmia semilugens moth - Ethmia semilugens Ethmia semilugens Ethmia semilugens
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Gelechioidea (Twirler Moths and kin)
Family Depressariidae
Subfamily Ethmiinae
Genus Ethmia
Species semilugens (Ethmia semilugens - Hodges#0976)
Hodges Number
Synonyms and other taxonomic changes
Ethmia semilugens (Zeller, 1872)
Psecadia semilugens Zeller, 1872
* Phylogenetic sequence # 028100 (1)
There are 52 named species of Ethmia in America north of Mexico. (1)
Forewing length 8-12 mm
Larva length to 23 mm
Adult: forewing blackish in upper half and white in lower half, the two colors sharply demarcated by a fairly straight line punctuated by two small oblong areas about a third and two-thirds distance along wing; terminal line composed of black spots, two of which are visible inside a white apical patch; top of head and thorax white with three or four large black spots; hindwing white with dark terminal line and some grayish-brown shading at apex
Texas to California, north to Colorado and Utah (1)
Moth Photographers Group - large map with some distribution data.
Dry areas where foodplant grows. (2)
Most records are from February to August. (1)
Two generations per year. (2)
Larvae feed on Phacelia spp. including:
Calthaleaf Phacelia (Phacelia calthifolia)
Cleftleaf Wildheliotrope (Phacelia crenulata)
Adults are nocturnal and come to light. (2)
See Also
forewing of Ethmia hodgesella and Ethmia sphenisca has wavier (more sinusoidal) demarcation between dark and light areas, and E. sphenisca occurs only in Arizona in the US
other species of Ethmia have a different forewing pattern and/or a different distribution
Print References
Powell, J.A. & P.A. Opler, Moths of Western North America, Pl. 5.31m; p. 70.(3)
Powell, J.A. 1971. Biological studies on moths of the genus Ethmia in California (Gelechioidea). (2)
Internet References
Moth Photographers Group - range map, photos of living and pinned adults.
BOLD - Barcode of Life Data Systems - species account with collection map and photos of pinned adults.
Moth Photographers Group - pinned adult and related species for comparison.
presence in Colorado; list (Paul Opler, Moths of Rocky Mountain National Park, Colorado, USGS)
Works Cited
1.North American Moth Photographers Group
2.Biological studies on moths of the genus Ethmia in California (Gelechioidea)
Jerry A. Powell. 1971. The Lepidopterists' Society 25(3): 1-167.
3.Moths of Western North America
Powell and Opler. 2009. UC Press.