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...rear up to meet it. The larvae resemble twigs or leaf stems, feed on foliage, and often seriously damage or destroy trees and crops. The spring cankerworm (species Paleacrita vernata) and the fall cankerworm (Alsophila pometaria) attack fruit and shade trees, skeletonizing the leaves and spinning threads between the branches. Pupation usually occurs in the soil without a cocoon....
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