Synonyms and other taxonomic changes
Sitochroa chortalis (Grote, 1873)
Loxostege chortalis Harvey, 1750
One of three species in North America.
Adult: forewing either light yellowish-brown with obvious "feathered" pattern in distal half, or uniformly yellowish with faint or almost no markings
hindwing light gray with darker brown terminal band.
United States and southern Canada (Nova Scotia to Maryland, west to Arizona and California, north to British Columbia); absent from southeastern states.
Habitat consists of grassland and prairie.(2)
Adults fly from May to September.(3)
Larvae feed on Green Amaranth (Amaranthus retroflexus), a common weed often referred to as pigweed.
Sitochroa dasconalis has yellow at base and along costa but most of forewing is whitish, and hindwing is white with no dark terminal band; S. dasconalis occurs in eastern U.S. but apparently doesn't reach Canada, and its larvae feed on Wild Indigo (Baptisia tinctoria).
Grote, A. R. 1873. Description of new North American moths. Bulletin of the Buffalo Society of Natural Sciences, 1:89.(1)