unsilvered Speyeria hesperis


Norbert Kondla
 

In my experience, S. hesperis with unsilvered ventral hindwings are rare in Canada.
I remember only collecting 2 such specimens; one in prairie Alberta and one in
Purcell Mtns of British Columbia. Here are mug shots: https://flic.kr/p/2nZDrFc

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Norbert Kondla
Calgary, Alberta, Canada  (elevation 1060 metres asl)