Labrador Sulphur==Arctic Green Sulphur, Female - Colias nastes nastes
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For other photos, click on your choice of

MALE      MALE ECLOSURE     FEMALE EMERGENCE
    LARVA     PUPA     SPECIMEN

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Female drying wings,  2 September 2009
dorsal view of female drying wings

drying wings

Close-up of discal spot
discal spot

Close-up of abdomen
close-up of abdomen







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

These were reared  at about 75 degrees F. using lights twenty-four hours a day. Nevertheless, nearly all the larvae hibernated at third instar.

PHOTOS:
Photos of Female just after emerging from 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 27th to 29th of July 2009.
Larva:  About thirty-five days for the ones that didn't hibernate
Pupa:   About 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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