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Northern Prairie Wildlife Research Center

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Caterpillars of Eastern Forests

Yellow-haired Dagger Moth (Acronicta impleta)

JPG-Photo of Yellow-haired Dagger Moth

Conspicuously vested with prominent darkened tufts on dorsum of first abdominal segment, these offset on all sides by white or cinnamon tufts. Dorsum of eighth abdominal segment with elongate paired tufts bordered laterally by paler shortened pair. Lateral setae long, soft, and pale, except for few very long black setae at either end of body. Subdorsal stripe broadest at seventh abdominal segment; subspiracular stripe red. Spiracles white. Food: oaks and many other forest trees. Caterpillar: May to October; 2 or more generations in South, 1 or 2 in North.

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