Western Sulphur,  Adult Male - Colias occidentalis pseudochristina

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Scroll down for photos of male just after eclosing and one photo of a worn adult male.  For  other photos & information, click on

ADULT FEMALE       FEMALE ECLOSURE      MALE ECLOSURE      LARVA       PUPA     SPECIMEN

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Male eclosed and photographed on 2 June 2009
Male that eclosed 2 June 2009

Eclosed and photographed on 2 June 2009 -  Close-up of male face
close-up of face of male that just eclosed






Photo of Adult Male located at Strawberry Reservoir - 24 June 2008
worn male








Photo Details - ©Nicky Davis
Located 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 degrees and after a couple of months were transferred to a refrigerator with freezing temperatures.  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

C. occidentalis pseudochristina can feed on Lathyrus Lanswardi,  Thermopsis and Astragalus cicer.  They can't feed on hedysarum.

Host
Astragalus cicer 

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