Scudder's Sulphur
Colias scudderii scudderii
Adults


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Male - Eclosed 9 May 2009 from #2 larva that hibernated through winter of 2008
m


Male - Eclosed 9 May 2009 from #2 larva that hibernated through winter of 2008
m


Newly Eclosed Female,  2 September 2008, from larva #1 that didn't hibernate
fe


Newly Eclosed Female,  2 June 2009, from larva #11 that hibernated
fe


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

Male - Eclosed 9 May 2009 from #2 larva that hibernated through winter of 2008

Female,  2 September 2008, from larva #1 that didn't hibernate

Newly Eclosed Female,  2 June 2009, from larva #11 that hibernated

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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