caterpillar

This is the "most dangerous" stinging caterpillar in the US.The moth Megalopyge opercularis has numerous common names, including southern flannel moth, pussy moth, puss caterpillar, Bolivia bug*, and, in Texas, asp. It is visually striking in both larval and adult forms. The inch-long larva is generously coated in long, luxuriant hair-like setae, making it resemble a tiny Persian cat, the characteristic that presumably gave it the name "puss."The 'fur' of the larva contains venomous spines that cause extremely painful reactions in human skin upon contact. The reactions are sometimes localized to the affected area but are often very severe, radiating up a limb and causing burning, swelling, nausea, headache, abdominal distress, rashes, blisters, and sometimes chest pain, numbness, or difficulty breathing