Numbers
one of 10 species in this genus in North America listed at
All-LepsSize
wingspan about 17 mm, based on photo by Jim Vargo at MPG
Identification
Adult: forewing pale tan or whitish with dark speckling; PM and subterminal lines variably distinct to faint; PM line thick, diffuse, V-shaped, slightly irregular; subterminal line double, relatively thick, somewhat blurred, runs parallel to outer margin in lower two-thirds of wing, then bends smoothly toward base before reaching costa; area beyond ST line with yellow scaling along veins (sometimes faint or not noticeable); terminal line thin, black, double, the more proximal line breaking into 3 or 4 black dots near inner margin; hindwing pale yellowish with darker terminal line; at rest, wings are held in a loose tent-like position over the abdomen, not wrapped tightly around the body as in many other genera in the subfamily Crambinae
Range
eastern United States: New York and Massachusetts to South Carolina, west to Tennessee.
Season
adults fly from May to at least July
Food
larvae presumably feed on grasses
See Also
Haimbachia albescens and
H. squamulella forewings have PM and subterminal lines that are relatively thin and sharp, not thick and blurred (see pinned adult images of
albescens and
squamulella by Larry Line, Maryland)
also see
pinned adult images of related species by Jim Vargo at MPG
Print References
Haimbach, F. 1907. Two new species of Crambus and a new variety of Haematopsis grataria Fabricius. Entomological News. 18:
44.
