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Hi, Echo, In northernHi, Echo, In northern climates, there are usually 2 generations of banded woollybear (isabella tiger moth) per year. Overwintering caterpillars emerge around May. They eat a bit and than pupate. Adult moths emerge in early summer. These will then produce another generation that emerges around August. These caterpillars will overwinter, starting the cycle again. The fall-generation caterpillars are perhaps more noticeable because they are searching for a good place to overwinter, so they travel about more. In southern areas, there could be three or more generations. Hope this helps!

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