Atrytonopsis frappenda (Dyar, 1920);  Comments: [= zweifeli] Mexico TL: Mexico (DF).

Atrytonopsis zweifeli ♂ paratype, genitalia
MEXICO: Sinaloa, Durango-Villa Union highway, route 40, 1980m,
29-Apr-1966, P. Hubbell (X-1062) (AMNH)

Image from: Burns, John McLauren (1982) "Lychnuchoides frappenda from central Mexico joins lunus and zweifeli in a lunus group of Atrytonopsis (Lepidoptera: Hesperiidae: Hesperiinae)". Proceedings of the entomological Society of Washington 84(3): 547-567, 30 figs., 2 tabs. (29 July) p. 559, figs. 14-16