Specific epithet from latin meaning "worn out." Zeller states "I'm not sure this is not a mere modification of Exart. quadrifidum, chiefly due to the want of bright ones." (1)
Size
FWL: 6.5-8.0 mm
Identification
The forewing is uniformly olive gray with no markings except a dark apical spot and, in fresh individuals, brownish-gray shading from the base of the dorsal margin to mid-costa. (2)
Genitalia:
Range
Maine to Michigan, south and west to New Jersey, Ohio, and Iowa. (2)
Larvae tie leaves of currant (Ribes sp.) leaves. (3)
Print References
Zeller, P.C., 1875. Beiträge zur Kenntniss der nordamericanischen Nachtfalter, besonders der Microlepidopteren. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien. 25: 270. (1)