Browntail moth caterpillars have distinctive orange dots on their tails and a broken white stripe, down their back, while the tent caterpillars have a solid white strip and no orange dots. Egg masses ...

Treating bites and stings: the basics Remove any sting, tick or hairs if they're still in the skin. Wash the area with soap and water and apply a cold compress or ice pack for at least 10 minutes.

The white-marked tussock moth caterpillar, common in eastern North America, has spiky hairs that can cause skin irritation ...

These caterpillars might look cute and cuddly, but they all have a built-in defense. Some are even capable of killing a human.

An aggressive hatch of Douglas-fir tussock moth caterpillars is threatening trees, both in national forests and in Santa Fe.

Spongy moth caterpillars have reemerged in Michigan this spring, where they cluster on oak trees and other deciduous species.