Numbers
1 species in North America listed at
All-LepsSize
wingspan about 15 mm, based on photo by Jim Vargo at MPG
Identification
Adult: forewing outer margin falcate near apex, resulting in sharply-pointed tip; forewing light brown to brownish-gray with slender white stripe, tapered at both ends, extending from base to subterminal area, and with blackish tooth along lower edge about two-thirds from base; subterminal line black, V-shaped; black apical dash bordered below by triangular white patch; dark oblique line from costa to white strip represents upper portion of PM line; hindwing light gray
Range
Quebec to Florida, west to Texas, north to Alberta
Season
adults fly from June to August
Food
larvae probably feed on grasses
Internet References
live and pinned adult images of
R. argillaceela by Robert Patterson and Jim Vargo respectively, plus common name reference (Moth Photographers Group)
pinned adult image of
R. argillaceela plus photos of related species by Jim Vargo (Moth Photographers Group)
pinned adult image of
R. argillaceela and presence in Quebec (All-Leps)
flight season in Alberta (Strickland Entomological Museum, U. of Alberta)
presence in Texas; list (James Gillaspy, U. of Texas)
presence in Florida; list (John Heppner, Florida State Collection of Arthropods)
presence in Ontario; list (NHIC; Ontario Ministry of Natural Resources)