Species Andropolia aedon - Hodges#9570

9570

one of 10 species in this genus in North America listed at All-Leps

common

wingspan 42-46 mm, based on two Internet photos

Adult: forewing ground color white but covered with black speckling, giving an overall gray appearance; AM, PM, and subterminal lines black, zigzag, with large sharp teeth; thin black line runs along main vein to lower corner of reniform spot; black basal dash; black anal dash extends only to PM line (not to middle of wing); subterminal area usually more whitish than remainder of wing; terminal area with less dark shading than in A. contacta; terminal line a series of black spots that extend into fringe; hindwing dirty brownish-gray with dark PM line and diffuse discal spot; terminal line thin, black; fringe pale gray with some dark spots

British Columbia and Alberta to California

wet western coniferous forests; adults are nocturnal and come to light

adults fly in summer (July and August)

larvae feed on leaves of alder (Alnus), maple (Acer), Oceanspray (Holodiscus discolor), and Pacific Ninebark (Physocarpus capitatus)

Andropolia contacta forewing has less noticeable basal dash, less white in subterminal area, and more dark shading in terminal area

A. diversilineata forewing has obscure markings and a black anal dash that extends inward to middle of wing, and its hindwing is mostly white

A. theodori forewing has large brownish patches, and its hindwing is pinkish

(compare images of all four species at CBIF)

Moth Photographers Group (MPG)

Pacific Northwest Moths

Barcode of Life (BOLD)

pinned adult image plus description, habitat, flight season, foodplants, similar species (Jeff Miller, Macromoths of Northwest Forests and Woodlands, USGS)

pinned adult image and technical description (California Dept. of Food and Agriculture)

adult collection dates (Strickland Entomological Museum, U. of Alberta)

presence in Oregon 31 pinned specimens in collection, including locally collected specimens (Oregon State U.)

presence in California; list (U. of California at Berkeley)

distribution in Canada Alberta and British Columbia only (U. of Alberta, using CBIF data)