Hesperia uncas, the Uncas skipper or white-vein skipper, is a butterfly of the family Hesperiidae. It is found from US Midwest to southern portions of the three Canadian Prairie provinces, north as far as Edmonton, Alberta.
The wingspan is 32–42 mm. There are two generations per year with adults on wing from May to June and again from August to September, in Canada from mid-June to late July.Uncas Skipper, Butterflies of Canada It is found in sandy areas, open woodlands, and sagebrush.
The larvae feed on Deschampsia elongata, Stipa, Bromus rubens, and Poa pratensis. Adults feed on flower nectar from various flowers, including rabbitbrush, needlegrass (Stipa nevadensis), and blue grama (Bouteloua gracilis).
Subspecies Listed alphabetically:Hesperia, funet.fi Hesperia uncas fulvapalla Austin & McGuire, 1998 Hesperia uncas gilberti MacNeill, 1964 Hesperia uncas giuliani Austin & McGuire, 1998 Hesperia uncas grandiosa Austin & McGuire, 1998 Hesperia uncas lasus (Edwards, 1884) Hesperia uncas macswaini MacNeill, 1964 Hesperia uncas reeseorum Austin & McGuire, 1998 Hesperia uncas terraclivosa Austin & McGuire, 1998 Hesperia uncas uncas Edwards, 1863
References
External links
Uncas Skipper, Butterflies and Moths of North America