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ID#:12063
Description:The swelling and erythema of this left hand and wrist was due to a sting from an Io Moth, Automeris io, larva.
During its developmental stages, or instars, the Io Moth larva undergoes changes, becoming a stinging, or urticating caterpillar. The spines on these larvae are extremely sharp, and release their toxin with very little stimulation. Reactions to the toxin range from a stinging pain and swelling, to anaphylactic shock, and death.
High Resolution: Click here for hi-resolution image (17.4 MB)
Content Providers(s):CDC/ M.A. Parsons; Cmdr. W.B. Hull
Creation Date:1961
Photo Credit:R.E. Byrd
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.

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