Synonyms and other taxonomic changes
described by Grote in 1874
Numbers
uncommon to rare throughout its range
Size
wingspan about 34 mm, based on photo by Jim Vargo at MPG
Identification
Adult: forewing dark brown with tan strip and dark markings along costa; reniform and orbicular spots with pale perimeter; reniform spot pale in upper half and dark in lower half; orbicular spot oblique and completely filled by ground color; claviform spot represented by black rounded V-shaped line extending into median area; subterminal line pale, irregular; hindwing grayish-brown with dark veins and discal spot
Larva: early instars green with white lines and tubercles; older instars brown or gray with mottled pattern
Range
northeastern United States plus Quebec and Ontario
Season
adults usually seen in spring (late March to late May) but may also be found in fall and rarely in winter
Internet References
Moth Photographers Group - range map, photos of living and pinned adults.
pinned adult image by John Glaser, plus status in Maryland, flight dates, and foodplant (Larry Line, Maryland)
3 pinned adult images plus collection site map showing presence in Quebec (All-Leps)
description of larva (Dale Schweitzer, U. of Massachusetts, courtesy Yale U., Connecticut)
flight dates plus foodplants and status in Ohio (Ohio State U.)
foodplant; PDF doc plus flight season and status in Quebec (Macrolepidoptera of Mont Saint-Hilaire Region, McGill U., Quebec)