Eggs hatch in late spring. Caterpillars eat leaves through midsummer. Caterpillars pupate and transform into moths in late July and August. Moths live only a few days to mate, lay eggs and then die.
NORTHERN MICHGAN (WPBN/WGTU) -- It's hatching season for the Spongy Moth. While the number of this invasive species is on the decline in Michigan, Cheryl Nelson, Forest Health Forester with the ...
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