| 词条 | Hesperia uncas |
| 释义 |
| name = Uncas skipper | image = Hesperia uncas.jpg | image_caption = | genus = Hesperia | species = uncas | authority = W.H. Edwards, 1863 | subdivision_ranks = Subspecies | subdivision = 4 subspecies, see text | synonyms =
}}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.[1] 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.[1] 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).[3] SubspeciesListed alphabetically:[2]
References1. ^1 Uncas Skipper, Butterflies of Canada 2. ^1 Hesperia, funet.fi External links{{Commons category}}{{Wikispecies}}
4 : Hesperia (butterfly)|Butterflies described in 1863|Butterflies of North America|Taxa named by William Henry Edwards |
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