Giant Sulphur
Colias gigantea inupiat
Immatures

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Adults     Male Eclosure      Specimen


Fourth Instar
August 13, 2006
4th

4th instar

4th


Fifth Instar
July 28, 2007
5th instar

5th


Male Pupa


June 11, 2008
showspink fringe
p
11:17 A.M.  June 13, 2008
15 minutes before adult  emerged
male

June 13, 2008 - shows close-up of male pupa tail
p



Female Pupa

June 11, 2008
shows lack of black border
fe

June 12, 2008
Butterfly eclosed the following day

fe


Photo Details - ©Nicky Davis

Reared by Jack Harry who collected the female at the North slope of Alaska, Mile 323 to 381 along Dalton highway, elevation 90 to 365 meters.

Larva
Fourth Instar
1. Close-up of head
2. Dorsal
3. Lateral


Fifth Instar
1.  lateral
2.  dorsal


Pupa
1.- 4.  Male on June 11, 2008 thru 13th
5., 6. Female on  June 11 and 12 of 2008


Host Plant
Willows
Larvae use Salix lanata on North Slope.  They were reared on  Salix exigua

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