Silver-spotted Skipper
Epargyreus clarus

f18 @ 1/640S, ISO:2000, Nikon D3S w 105mm macro

"Epargyreus clarus," Wikipedia, the free encyclopedia. Epargyreus clarus, the silver-spotted skipper, is a butterfly of the family Hesperiidae. It is claimed to be the most recognized skipper in North America. E. clarus occurs in fields, gardens, and at forest edges and ranges from southern Canada throughout most of the United States to northern Mexico, but is absent in the Great Basin and western Texas. Adults use their long tongues to feed on the nectar of a variety of flowers, mud, and even animal feces. They almost never visit yellow flowers, favoring blue, red, pink, purple, and sometimes white and cream-colored ones. These include everlasting pea, common milkweed, red clover, buttonbush, blazing star, and thistles.
Frances A. Crane Wildlife Management Area, East Falmouth, Massachusetts