Ancyloxypha numitor (Fabricius, 1793);  Comments: Great Plains, eastward; SE SASK to Quebec, to S TX, far NE MEX TL: Indiis.

Ancyloxypha numitor ♂ genitalia

Image from: Lindsey, Arthur Ward, Ernest Layton Bell and Roswell Carter Williams, Jr. 1931. The Hesperioidea of North America. Denison University Bulletin 26: 1-142, pls. 1-33 (April); pl. 15 f. 05