caterpillars
During the early growth stages, caterpillars remain in clusters on the leaves. As the caterpillars get larger, they consume increasing amounts of leaves and wander widely in search of more food. They often drop from defoliated twigs to the ground. Caterpillars may grow up to 2½ inches long. They do not build tents, but clusters of numerous caterpillars commonly rest on pads of silk on tree stems.
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Forest tent caterpillar populations have been on the rise in some northern and west-central …
