Christina Sulphur, ssp. Krauthi - Colias christina krauthi
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     SPECIMEN
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Third Instar - Did not feed and went into hibernation September of 2009
third instar

third instar

Removed from hibernation 13 May 2010
Molted to Fourth on 23 May 2010
4th instar

Fifth Instars on 2 June 2010
dorsal, 5th instar

Fifth Instar on 2 June 2010
5th instar on 2 June 2010

5th instar

5th instar


PHOTO DETAILS - ©Nicky Davis
LOCATION: These were given to me by Jack Harry who received them from South Dakota
GPS:  unknown
ELEVATION:  unknown

PHOTOS:
1., 2., Photos of third instars.  The third instars I received did not feed before they hibernated.
3. Larvae were taken out of hibernation 13 May 2010 and molted to fourth instar 23 May 2010.
4.5.  Fifth instar photos

After coming out of hibernation, they were given Astrgalus cicer  which they fed on for some time but then lost interest.  I tried them on willow which they refused.  I also tried them on Thermopsis montana which they fed on a little.  I was not able to get more or this plant because it all died due to weather. Therefore, the larva that was left could not make it to pupa and it died.

LIFE HISTORY:
Ovum:  ?
Larva: ?
Pupa:  ?
Adult:  ?
Broods: one
Hibernation:  Overwinters as  third instar

Host Plants
They use a Hedysarum species in South Dakota
Mountain Goldenpea - Thermopsis montana
Chickpea Milkvetch - Astragalus cicer
Narrow leaf Willow - Salix  exigua

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