Automeris io (caterpillar) dermatitis.
Four subjects were exposed to dorsal spines of the Automeris io caterpillar. The experimental presented herein indicates that there is a substantial variability in response between human subjects. The urticarial reaction produced can be categorized broadly as contact urticarda and most probably is nonimmunologic, depending on mediator release.
D006801:Humans; D007299:Insect Bites and Stings / Q000209:etiology*; D007814:Larva; D007915:Lepidoptera; D014581:Urticaria / Q000209:etiology*