Pale-dun
Guides
Ephemerella dorothea
Pale Dun
Ephemerella dorothea is a species of spiny crawler mayfly in the family Ephemerellidae, commonly known as the Pale Dun. It is native to North America, with documented occurrence in southwestern and northern Canada, the western United States, and Alaska. The species was first described by Needham in 1908 and includes two recognized subspecies: E. d. dorothea and E. d. infrequens.