Sagebrush Checkerspot
Chlosyne acastus ssp.
Carbon County, Montana
Immatures


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Scroll down for photo of IMMATURES.  For other photos/information, click on

SPECIMEN     ADULT
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Ova laid 24 and 25 June 2011
ovum

ova

Ovum ready to hatch 1 July 2011
ovum ready to hatch


First Instar -  1 July 2011
first instar


Second Instars with old head cases and discarded skins
2nd Instars


Third Instar
3rd Instar


Fourth Instar
4th instar


Fifth Instar
5th instar, lateral view


Fifth Instar
Dorsal view of 5th instar


August 7, 2011- Some larvae formed pupa instead of diapausing
Pupa
pupa


PHOTO DETAILS - ©Nicky Davis
Steve Kohler LOCATED  female 22 June 2011 on host plant Chrysothamnus viscidiflorus  Near Belfry, Carbon County, Montana  and gave them to Jacque Wolfe who gave me a few to rear.
GPS: Unknown
ELEVATION: 5099 feet


LIFE HISTORY:
Ovum:  Female oviposited on Chrysothamnus viscidiflorus  24-25 June 2011.  Hatched 1 - 2 July 2011, about 7 days
Larva:  Overwinter as third or fourth instar
Pupa:  Some formed pupa and developed into butterflies the same year but most did go into diapause.
Adult:  unknown
Broods: unknown
Hibernation:  Overwinter as  larvae

Host Plant - click below for photos
Reared on  Chrysothamnus viscidiflorus then changed to Engelmann Aster  because viscidiflorus was drying out in  my area

Host Plant
Chrysothamnus viscidiflorus
Engelmann Aster
 
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