Labrador Sulphur  == Arctic Green Sulphur  Colias nastes nastes Immatures Home - Butterflies - Details   Female    Female Eclosure    Specimen

Second Instar August 5, 2009 Third Instar -  Photo on 16 August 2009 Third Instar -  Photo on 16 August 2009 Fourth Instar - Photo on 21 August 2009 Fourth Instar - Photo on 21 August 2009 Fifth Instar -  25 August 2009 Fifth Instar - 31 August 2009 Fifth Instar - 31 August 2009 Pre-Pupa #4 September 1, 2009 PUPAE #1 Pupa formed 26 August photo 27 August 2009 #2 Pupa  on 1 September 2009 #2 Pupa on 2 September 2009 Twenty-three minutes before female emerged 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 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 Some were reared on Chickpea Milkvetch, Astragalus cicer