Orange-striped oakworm
The Orange-striped oakworm can be abundant on Red oak species from June through September. Small trees are often defoliated by mid summer. Total defoliation is never a good situation for any tree, and the negative long-term affects on tree energy reserves are unfairly discounted by many diagnosticians.
Defoliation in the middle of the growing season results in the tree expending energy reserves, and can result in a net reduction of produced energy by the tree.
Caterpillars are easily identified as large adults, but in younger stages they can go undetected by the casual observer since the small caterpillars are green and easily blend into the foliage.
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