Erynnis afranius

Erynnis afranius, also known as the afranius duskywing or bald duskywing, is a species of butterfly of the family Hesperiidae. It is found from northern Mexico through the central United States to southern Canada in the provinces of Alberta, Saskatchewan and Manitoba.^[1]

Afranius duskywing
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Hesperiidae
Genus:	Erynnis
Species:	E. afranius
Binomial name
Erynnis afranius (Lintner, 1878)
Synonyms
Nisoniades afranius Lintner, 1878 Thanaos afranius Godman & Salvin, [1899]

The wingspan is 25–31 mm. There can be two generations from mid-May to late August.^[1]

The larvae feed on Lupinus species, Lotus species and Thermopsis rhombifolia.^[2]