galls on Populus balsamifera
galls on Populus balsamifera
These very small shiny black beetles were actively destroying fireweeds along the trails
ID chosen from the visual compare feature.
Hull's Wood - Fish Creek Provincial Park, Calgary, AB, Canada,
Caterpillar inside dense masses of "webbing" on chokecherry, containing matted/rolled leaves and much frass, as shown. One shrub along roadside was heavily infested, but neighbouring shrubs were minimally or not at all infested.
Many spruce affected along the Cavell Road