"♂ differs from ♀ in the basal portion of the antennae being curved, and the curve filled with a tuft of scales."(2)
Range
From Connecticut, Ontario, and Iowa south to Kansas and Texas in the west, and North Carolina in the east. (3).
Season
One to three generations per year, depending on latitude. In the south, "there appears to be a late May-June generation, a late July-August generation, and a late September-October generation" (3).
Food
Hawthorn, cultivated apple, pear, quince, and beach plum (3).
Life Cycle
See Doerksen and Neunzig (1974) (3) for a detailed account of the life cycle.
Print References
Doerksen, G.P., and H.H. Neunzig. 1974. The Biology of the Appleleaf Skeletonizer, Psorosina hammondi, on Crataegus (Lepidoptera: Pyralidae: Phycitinae). Annals of the Entomological Society of America 67(1): 146-47. (3)
Dyar, H.G. 1904c. Additions to the list of North American Lepidoptera. No. 2. Proceedings of the Entomological Society of Washington 6(2): 113. (1)
Riley, C.V. 1872. The Appleleaf Skeletonizer — Pempelia hammondi, n. sp. In Annual Report on the Noxious, Beneficial and Other Insects of State of Missouri. St. Louis, MO. 4: 44-47. (2)