What is the most toxic caterpillar?

The puss caterpillar, which is the larva of the southern flannel moth, is the most venomous caterpillar in the U.S. and even a simple brush with the insect can cause excruciating pain. The caterpillars’ fur hides toxic spines that stick to your skin.

What do deadly caterpillars look like?

The caterpillar looks black, yellow, and brown. There is a wide black stripe on its central segments and with brown-colored tips. Rows of yellow dots around each segment give the caterpillar a spotted appearance. The venomous spines on White Flannel moths can cause a nasty sting.

Is there a poisonous caterpillar?

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. The venom can cause searing, throbbing pain, burning and sometimes a rash with red spots.

Are all furry caterpillars poisonous?

Caterpillars covered with hair or bristles, with one exception, are rarely poisonous. The “fuzzy-wuzzy” caterpillar that predicts winter cold is not poisonous nor is the gypsy moth or your tent caterpillar.

Are GREY fuzzy caterpillars poisonous?

A fluffy caterpillar is one of the most venomous caterpillars in the United States. The puss caterpillar (Megalopyge opercularis) has hidden toxic spines underneath its fur.

Is a yellow fuzzy caterpillar poisonous?

Some types of yellow caterpillars are fuzzy-looking and others have smooth segmented bodies typical of many species of caterpillars. Sometimes, yellow fuzzy caterpillars can be poisonous. Although they are not toxic enough to kill you, touching them can cause skin irritation.

What happens if I touch a poisonous caterpillar?

In contact with human skin, they can cause pain, rashes, itching, burning, swelling, and blistering. Avoiding caterpillars is best. Remove spines by applying and removing tape to strip the irritating hairs and spines out of the skin.

Is woolly bear caterpillar poisonous?

No, they are harmless except in rare cases when someone has an acute allergy to their hair. Some caterpillars have venom-filled hairs, which can be painful to humans, but woolly bears are as cute in your hand as they are on the ground.