The forest tent caterpillar and large aspen tortrix defoliate aspen causing a growth loss. Repeated attacks by the forest tent caterpillar can kill trees. This insect may need to be controlled with insecticides.
|
The forest tent caterpillar and large aspen tortrix defoliate aspen causing a growth loss. Repeated attacks by the forest tent caterpillar can kill trees. This insect may need to be controlled with insecticides. |