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Species Iridopsis emasculatum - Hodges#6589

Iridopsis emasculatum Emasculated Grey/Gray - Iridopsis emasculatum - male Very common Iridopsis - Iridopsis emasculatum - male Iridopsis emasculatum - female Not sure what to suggest for these - Iridopsis emasculatum - male Iridopsis emasculatum - male Moth - Iridopsis emasculatum Iridopsis emasculatum - male
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 Boarmiini
Genus Iridopsis
Species emasculatum (Iridopsis emasculatum - Hodges#6589)
Hodges Number
Synonyms and other taxonomic changes
Iridopsis emasculatum (Dyar, 1904) (1)
Selidosema humariam var. emasculatum Dyar, 1904
Iridopsis emasculata (alternate spelling) (1)
* phylogenetic sequence #194900
Forewing length 15-18 mm. (2)
Adult - resembles Bent-line Gray (Iridopsis larvaria) but waviness of forewing PM line is more regular and has smaller amplitude, and hindwing PM line is not as sharply bent.
Larva - green, yellow, or orange with irregular red bands. (2)
British Columbia south to northern California, Arizona, New Mexico, western Texas. (2)
Single flight from late May until mid-August. (2)
Larval hosts are woody plants; alder, maple, willow, and blueberry. (2)
See Also
Bent-line Gray (Iridopsis larvaria) has more irregular and higher amplitude PM line on forewing, and more sharply bent PM line on hindwing; it's also an eastern species, not found on the US west coast.
Print References
Dyar, H.G. 1904. The Lepidoptera of the Kootenai District of British Columbia. Proceedings of the United States National Museum 27: 910
Powell, J.A. & P.A. Opler 2009. Moths of Western North America. University of California Press. p.208, pl.28.11f (2)
Internet References
pinned adult image plus date and location (Bruce Walsh, Moths of Southeastern Arizona)
presence in California; list of 3 specimen records with dates and locations (U. of California at Berkeley)
presence in Oregon; list of 243 specimens in collection (Oregon State U.)
Works Cited
1.A revision of the moth genus Anacamptodes (Lepidoptera, Geometridae) (1966)
Frederick H. Rindge. 1966. Bulletin of the America Museum of Natural History 132(3).
2.Moths of Western North America
Powell and Opler. 2009. UC Press.