Synonyms and other taxonomic changes
Melanolophia canadaria (Guenée, )
Tephrosia canadaria Guenée, 1857
Melanolophia carbonata Cassino & Swett, 1923
Forewing mottled brown or grayish, crossed by 3 or 4 wavy lines (the postmedial - PM - line is the most prominent of these lines, distinctly denticulate, and often the only one to cross the wing without fading); a dark blotch where the PM line meets the inner margin usually contains a curved whitish "V" reminiscent of a "flying seagull" - a good field mark when present.
Florida to Nova Scotia, west to Saskatchewan, south to Texas.
Larvae feed on leaves of birch, cherry, elm, maple, oak, pine.
Two generations per year.
Overwinters in the larval stage in the ground.(1)
Larva, larva, pupa, adult female:
is extremely similar, but usually has more uniformly-colored wings (less mottling), and more objectively, typically has a more sinuous (somewhat "straighter") PM line, whereas canadaria
usually has a noticeably denticulate PM line. Poorly-marked individuals may be difficult to distinguish.
Covell Jr, C.V., 1984. Field Guide to Moths of Eastern North America
. Houghton Mifflin Company. p. 355, plate 52 #3. (2)
Wagner, D.L., Caterpillars of Eastern North America: A Guide to Identification and Natural History
. Princeton University Press. p. 159. (3)
pinned adult images
(Dalton State College, Georgia)
live larva image
plus description and other info (Caterpillars of Eastern Forests, USGS)