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Species Andropolia contacta - Canadian Giant - Hodges#9564

Canadian Giant - Andropolia contacta Canadian Giant - Andropolia contacta Noctuidae: Andropolia contacta - Andropolia contacta Noctuidae: Andropolia contacta - Andropolia contacta
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Noctuinae (Cutworm or Dart Moths)
Tribe Xylenini
Subtribe Antitypina
Genus Andropolia
Species contacta (Canadian Giant - Hodges#9564)
Hodges Number
9564
Synonyms and other taxonomic changes
Acronycta aspera
Polia diffusilis
described in 1856 by Walker, who originally placed it in genus Acronycta
Size
wingspan about 44 mm, based on photo by Jim Vargo at MPG
Identification
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; basal dash faint or lacking; black anal dash thin, inconspicuous; terminal area with more dark shading than in A. aedon; terminal line a series of black spots that extend into fringe; hindwing light gray with dark PM line, dark veins, and diffuse discal spot; terminal line thin, dark; fringe pale gray or whitish
Range
Alaska to Newfoundland, south to New England, New York, Colorado, and southern British Columbia; apparently absent from Oregon but one record from California
type specimen collected in Ontario
Habitat
boreal forest
Season
adults fly mostly in July and August; one record from California in September, and one from Alberta in October
Food
larvae feed on leaves of alder (Alnus), birch (Betula), Quaking Aspen (Populus tremuloides), and willow (Salix)
See Also
Andropolia aedon forewing has more prominent basal dash, more white in subterminal area, and less dark shading in terminal area; the species is restricted to the west from California to British Columbia and Alberta (compare images of both species at CBIF)
Internet References
7 pinned adult images and collection site map (All-Leps)
pinned adult image and photos of related species by Jim Vargo (Moth Photographers Group)
common name reference [Canadian Giant] plus list of 35 specimen records from Alberta with dates and locations (Strickland Entomological Museum, U. of Alberta)
larval foodplants plus synonyms and type specimen locality (Markku Savela, FUNET)
presence in Utah; list (Joel Johnson, Utah Lepidopterists Society)
distribution; PDF doc and habitat (J.D. Lafontaine and D.M. Wood, Butterflies and Moths of the Yukon)
distribution list of provinces and territories of occurrence (U. of Alberta, using CBIF data)