Hesperia uncas
Encyclopedia
The Uncas Skipper or White-vein Skipper (Hesperia uncas) is a butterfly
of the Hesperiidae family. 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.
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).
Butterfly
A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...
of the Hesperiidae family. It is found from US midwest to southern portions of the three Canadian Prairie provinces, north as far as Edmonton, Alberta.
The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...
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.
The larvae feed on Deschampsia elongata
Deschampsia elongata
Deschampsia elongata is a species of grass known by the common name slender hairgrass. It is native to western North America from Alaska to Wyoming to northern Mexico, and South America in Chile. It grows at all elevations, often in moist areas. It is a perennial grass forming dense clumps...
, Stipa
Stipa
This article is about a type of grass.For Speech Transmission Index for Public Address Systems, see Speech transmission index.For the Italian aircraft designer, see Luigi Stipa...
, Bromus rubens, and Poa pratensis. Adults feed on flower nectar from various flowers, including rabbitbrush
Rabbitbrush
Rabbitbrush is a common name for plants in two related genera of the family Asteraceae:* Chrysothamnus — most species, including Green Rabbitbrush* Ericameria — Gray and Parry's Rabbitbrush...
, needlegrass (Stipa nevadensis), and blue grama (Bouteloua gracilis).
Subspecies
Listed alphabetically.- H. u. gilberi MacNeill, 1964
- H. u. lasus (Edwards, 1884)
- H. u. macswaini MacNeill, 1964
- H. u. uncas
External links
- Uncas Skipper, Butterflies and Moths of North America