Labrador Sulphur == Arctic Green Sulphur, Larva - Colias nastes nastes
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Scroll down for all photos of LARVAE
For other photos, click on your choice of

MALE     FEMALE    MALE ECLOSURE     FEMALE EMERGENCE
   PUPA        SPECIMEN


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Second Instar - 5 August 2009
2nd instar

Third Instar -  Photo on 16 August 2009
Third instar 16 August 2009

Third Instar -  Photo on 16 August 2009
Third instar 16 August 2009

Fourth Instar - Photo on 21 August 2009
4th instar on 21 August 2009

Fourth Instar - Photo on 21 August 2009
4th instar on 21 August 2009


Fifth Instar -  25 August 2009
Fifth instar on 25 August 2009


Fifth Instar - 31 August 2009
5th instar 31 August 2009

Fifth Instar - 31 August 2009
Fifth instar, 31 August 2009


#4 Pre-pupa   -  1 September 2009
prepupa, 1 September 2009


PHOTO DETAILS - ©Nicky Davis
LOCATION:  located by Jack Harry at Iqaluit, Nunavut Territory, Canada, July 2009
lat 63.76, lon -68.52
ELEVATION: 278 feet

PHOTOS:
Photos of Second instar through pre-pupa

LIFE HISTORY:
The female oviposited out 100 eggs on Alpine Astragalus.  About 60 of these hatched.  Of the 60 only 17  would feed on the Astragalus cicer that was available here in Utah.  Two of these went straight through the first year and 15 hibernated.  The ones that hibernated were still quite green when they stopped eating but three turned a yellow-green color.

Ovum:  Number of days as ova unknown since the ova were chilled to slow down development.  These hatched 27 to 29 of July 2009.
Larva:  About thirty-five days for the ones that didn't hibernate
Pupa: Seven to eight days
Adult:  Unknown
Broods: One
Hibernation:  Overwinters as  third instar

Host Plant
Oviposited on Alpine Astragalus, Astragalus arcticus and reared on Chickpea Milkvetch, Astragalus cicer.  For photos, click on

Astragalus cicer


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