Scudder's Sulphur
Colias scudderii scudderii
Female Eclosure


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Female Eclosed same year without hibernating
7:50 A.M. September 2, 2008
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Female from larva that hibernated
Eclosed  May 11, 2009
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Female, right side with a dark marking
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Female, left side with no dark marking
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Photo Details - ©Nicky Davis
On July 27, 2008, Jack Harry, Les Davis and I located two females past mm 27 along the Mirror Lake Highway, Duchesne County, Utah.  All females were returned to the same area after we obtained these eggs.
N. 40.40.881, W. 110.55.165
Elevation 10,349 feet

Photos of Adults
One female  eclosed September 2, 2008 - Photos shown above
Female that eclosed  May 11, 2009

Host Plant
The females oviposited on an unknown vaccinium and the larvae fed on  D. Willow - Salix planifolia.  After hibernation, they fed on Salix exigua. 
Diamondleaf Willow, Salix planifolia
Salix exigua



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