Western Sulphur, Female Eclosure - Colias occidentalis pseudochristina

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Photo Details - ©Nicky Davis Located females at Strawberry Reservoir June 24, 2008.  Elevation 7709 feet Coordinates  North 40.09.85, West 111.11.517 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. These can feed on Lathyrus Lanswardi,  Thermopsis and Astragalus cicer.  They can't feed on hedysarum. Host To see photos of the host plant used to feed these larvae, click  on Astragalus cicer  Back to Top