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| | Io moth, Automeris io (Fabricius) (Insecta: Lepidoptera: Saturniidae) |
 | | The urticating or "stinging" spines and setae of some caterpillars are a well-known chemical defense found in several families of Lepidoptera, especially Megalopygidae, Limacodidae, Saturniidae, and a few Nymphalidae, Anthelidae, Lasiocampidae, Bombycidae, Eupterotidae, Lymantriidae, Arctiidae, and Noctuidae (Matheson 1950; Riley and Johannsen 1938; Roth and Eisner 1962; Wirtz 1984). |
 | | In Florida, the main stinging caterpillars are the io moth (Automeris io (Fabricius), Saturniidae), the saddleback caterpillar (Acharia stimulea (Clemens) [formerly in Sibine], Limacodidae), and the puss caterpillar (Megalopyge opercularis (J.E. Smith), Megalopygidae) (Biery 1977; Zak 1986). |
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| edis.ifas.ufl.edu /BODY_IN203 (1310 words) |
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