Synonyms and other taxonomic changes
(Dyar, 1904) (1)
Tephroclystis columbiata Dyar, 1904
Eupithecia erpata Pearsall, 1908
Eupithecia columbiata columbiata (western subspecies)
Eupithecia columbiata erpata (eastern subspecies)
Cidaria aurata Packard 1867 (this was added with no explanation, error?)
Phylogenetic sequence # 910305
Explanation of Names
Specific epithet for the type location, British Columbia.
There are more than 150 species of the genus Eupithecia
in America north of Mexico. (2)
Specimen identified by DNA analysis (BOLD)
female - long striated, sclerotized section of ductus bursae above appendix bursae
male - lyre-shaped 8th sternite - unique to North American Eupithecia
Vancouver Island to New Brunswick and Newfoundland, south to North Carolina; to Colorado in the West. (2)
Adults fly in early Spring and the species overwinters as pupae. (5)
Larvae have been associated with willow. (5)
Many Eupithecia species are similar.
Compare on the pinned plates of Moth Photographers Group
Dyar, H.G. 1904 The Lepidoptera of the Kootenai District of British Columbia. Proceedings of the United States National Museum.
Hampson, G.F. 1885. Moths, p. 355
McAlpine, D.F. & I.M. Smith 2010. Assessment of Species Diversity in the Atlantic Maritime Ecozone. p. 519. (3)
McDunnough , J.H. Revision of the North American species of the genus Eupithecia (Lepidoptera, Geometridae). Bulletin of the American Museum of Natural History
. 93(8): 552 (6)
Pearsall, R.F. 1908 Eastern Eupithecias. Entomological news and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia.