Northern Prairie Wildlife Research Center

Caterpillars of Eastern Forests

Orange-humped Mapleworm (Symmerista leucitys)

JPG-Photo of Orange-humped Mapleworm

Similar to red-humped oakworm but with more yellow. Last instar with dorsum between yellow stripes marked with only 3 black and 2 white stripes (earlier instars of other Symmerista may have only 3 black stripes). Food: many forest trees but especially maples. Caterpillar: July to September; 2 generations in South, 1 in North.

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Page Last Modified: August 3, 2006