Are Spiny Caterpillars Poisonous

Stinging caterpillars possess hollow quill-like hairs, connected to poison sacs, which are used as defensive weapons. When these hairs are touched they pierce the skin releasing poison. Reactions can range from a mild itching to the more severe pain, swelling, blistering, dermatitis, and even intestinal disturbances.

Are spiky caterpillar poisonous?

Because of how cute it looks, children obviously want to pick it up, making it even more dangerous. Also called the puss caterpillar, asp, woolly slug, or “possum bug”, this caterpillar has venomous spines hidden in the hairs (setae) on its body. When picked up, these spines deliver a powerful and painful sting.

Do spiny caterpillars sting?

Spiny oak-slug caterpillars grow to just under 1 inch long. Luckily that small package doesn’t hide a powerful sting. Their spines are hollow with a toxin gland at the base and its sting is considered to be milder than others, with symptoms like a burning sensation, redness and inflammation.