Running-water-mayfly
Guides
Leucrocuta jewetti
Jewett's Flat-headed Mayfly
Leucrocuta jewetti is a species of flatheaded mayfly in the family Heptageniidae. It is known from southeastern Canada and the northwestern United States. As a member of the Heptageniidae, it belongs to a family of mayflies commonly associated with running water habitats. The species was described by Allen in 1966.