Christina Sulphur, ssp. Krauthi
Colias christina krauthi
Immatures

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Specimen 


Third Instar - Did not feed
went into hibernation September of 2009

3rd


Third Instar - Did not feed
went into hibernation September of 2009

larva


Removed from hibernation 13 May 2010
Molted to Fourth on 23 May 2010

4th I.S,


Fifth Instar on 2 June 2010
After hibernation
5th I.S.


Fifth Instar on 2 June 2010
After hibernation

5th


Fifth Instar on 2 June 2010
After hibernation

larva


Fifth Instar on 2 June 2010
After hibernation

5th
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., 6., 7.  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 of 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 Plant
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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