Hecla Sulphur
Colias hecla glacialis
Immatures

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Specimen

Larva
Fourth Instar - August 13, 2006
hecla

hecla

Fifth Instar photo by Jack Harry
5th instar by Jack Harry

Photo Details - ©Nicky Davis, Jack Harry
Larva
Larva reared by Jack Harry who collected the ova at the North slope of Alaska

Fourth Instar
1. View of head and dorsal stripes
2.  View of lateral, partial dorsal stripes
3.  View of lateral stripes

Fifth Instar
Photo by Jack Harry


Host Plant
Chickpea Milkvetch,  Astragalus cicer

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