The puss caterpillar, or woolly slug, is the most poisonous
caterpillar in the United States. Its poison is hidden in hollow spines among
its hairs. This hairy caterpillar is found in the southern states, ranging west
through most of Texas and north to Maryland and Missouri. It feeds on shade
trees such as elm, oak, and sycamore. Puss caterpillars vary in size from
1.2 in. (32 mm) to
1.4 in. (36 mm).
Symptoms of puss caterpillar contact may include:
Immediate, intense pain that often comes in
A swelling, itchingrash of red blotches and raised
If you come into contact with a puss caterpillar, remove the
broken-off spines by using cellophane tape or a commercial facial peel, and
call your doctor.
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
July 08, 2013
This information is not intended to replace the advice of a doctor.
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