Possible Western Bumblebee ? - Bombus occidentalis
Avon, Summit County, Colorado, USA August 13, 2017
We saw many bumblebees in a large patch of cultivated hollyhocks along the edge of a parking lot. This one stood out, with it's white-tipped abdomen. Could it be a Western Bumblebee ? Sorry for the very blurry image...it's the only shot I got of her.