Western Sulphur
Colias occidentalis pseudochristina
Adults

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Immatures    Female Eclosure   Male Eclosure   Specimen


FEMALE
Female Eclosed June 2, 2009
fe

Female Eclosed June 2, 2009
fe

Female Eclosed June 2, 2009
fe


MALE
June 29, 2008
male

Male Eclosed June 2, 2009
m

Male Eclosed June 2, 2009
male

Photo Details - ©Nicky Davis
Located by Les and Nicky Davis and Jack Harry at  Strawberry Reservoir, Wasatch County, Utah on June 24, 2008. 
Elevation 7709 feet
Coordinates  North 40.09.85, West 111.11.517

Female oviposited  June 25-27, 2008 some on lathyrus lanswardi but mainly Astragalus cicer. Eclosed in three to four days and were set on Astragalus cicer to feed.  Although they were kept in light 24x7, they all hibernated as third instar. They were put in a refrigerator July 23, 2008 at about 40 F. and after a couple of months were transferred to a refrigerator at about 32 F.  On May 8, 2009 they were taken out and placed on Astragalus cicer where they began feeding again.  All but four went through to butterflies.


Host Plant
can't feed on hedysarum

Lanszwert's Sweetpea ==Mountain Pea - Lathyrus lanszwertii

Mountain Goldenpea==Mountain Goldenbanner==False Lupine - Thermopsis montana

Chickpea Milkvetch - Astragalus cicer


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