Yellow woolly bears feed on almost every plant you can name, with the exception of milkweeds (genus Asclepias). You’ll find the caterpillars in late summer; they spin cocoons and overwinter in ...

Michael Singer at Wesleyan University discovered that, when healthy, tiger moth larvae, also known as woolly bear caterpillars, focus their diet on nutrient-rich food, but switch to eating plants with ...

Wasps and flies inject their own eggs into a caterpillar's body for growing larvae to feed off its internal organs. But the woolly bear caterpillar (Grammia incorrupta) is one of the only recorded ...