Tent Caterpillars

Tent Caterpillars feed on many ornamental trees. Summer seasons the insects lay thousands of eggs in a cement type substance around the branches. The eggs make it through the winter and hatch early spring. When the young caterpillars hatch they make their nests. These silk nests appear in the ends of branches or in the branch crotches of trees. When the weather is warm, they emerge from their nest, and feed on the surrounding foliage. Branches or the entire tree may be defoliated. Up to 4 generations occur between the months of June and September. The damage is the worse in the late summer months.

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