© 2018-19 by Neil Henning Björklund

Oregon State Arthropod Collection, #000176215 - male

Thank you to Dana Ross and Paul Hammond , volunteers at OSAC!

Gillett's

Checkerspot

Euphydryas gillettii

Size: Up to 2 inch wingspan

Key ID features:  Above black with red and white spots, wide red band through both wings, usually with narrow white bands on both sides. Below similar pattern, but with black reduced, and confined to narrow lines between red and white patches.

Similar species: This is the only Oregon checkerspot with wide red submarginal bands above.

Host plant: Species in the honeysuckle family, possibly black twinberry (Lonicera involucrata) and red twinberry (L. utahensis).

Habitat: High flowery meadows. 

Range: On the summit of the west rim of Snake River Canyon near Hat Point.

Season: Late May to late July

Abundance: Uncommon 

 

Conservation Status: Secure in other states.  Survival of colonies may depend on wildfire interrupting habitat succession. Current Oregon population unknown.