Larva of a bark moth, or coneworm, Epinotia hopkinsana.

A top side view close-up on spruce needles of a brown and purplish caterpillar (moth larva) with a dark brown head.; Canada Credit: Natural Resources Canada, Canadian Forest Service
Larva of a bark moth, or coneworm, Epinotia hopkinsana. Credit: Natural Resources Canada, Canadian Forest Service