Species Egira cognata - Hodges#10509

10509

described in 1894 by Smith, who originally placed it in genus Xylomiges

Adult: forewing ground color whitish with black markings and gray shading; dark blotches in median area at costa and at inner margin; AM line zigzag, with hollow triangular claviform spot; basal dash lacking; reniform spot contains short black arc but otherwise pale; terminal line scalloped; fringe checkered; hindwing white with dark discal spot and black dashed terminal line

California to British Columbia, east to Utah and Colorado; type specimen collected in Colorado

wet coniferous forests

adults fly in winter and early spring in California (20 Dec to 23 March, based on 10 records)

larvae feed on leaves of Oregon White Oak (Quercus garryana)

other Egira species forewings either have a basal dash or are otherwise differently marked, or they fly later in the year (compare images of these and other species at CBIF)

Moth Photographers Group (MPG)

Pacific Northwest Moths

Barcode of Life (BOLD)

larval foodplants plus literature references and type specimen locality (Markku Savela, FUNET)

presence in California; list of 10 specimen records with dates and locations (U. of California at Berkeley)

presence in Utah; list (Joel Johnson, Utah Lepidopterists Society)

author, date, and original genus (nearctica.com)