Yellow-taced Bumblebee on Milk Thistle

Description:

The Yellow-faced Bumblebee (Bombus vosnesenskii) is distributed through western North America. This species grows to 1–2 centimetres (0.4–0.8 in) long, with queen being larger than the workers.[1] B. vosnesenskii is characterized by the yellow coloration of the head pile, the mostly black thorax and abdomen, a single yellow thoracic stripe on the lower abdomen, and blackish wings.

Habitat:

oak woodlands, riparian zone in foothills