When caterpillars first hatch, they are black, but with successive molts they turn yellow and eventually green. Come spring, they morph into North America's largest moth and one of its most ...

The caterpillars are typically dark brown with large eye spots, but they may also be found in green coloration. In adulthood, the elephant hawk-moth becomes beautiful shades of gold and pink .

A recent paper used the word masquerade for the caterpillar's similarity to a bird dropping, so we will go with that. As caterpillars molt and grow they completely change their appearance. Fourth and ...

Y es! The caterpillar most frequently found on parsley, dill, fennel, and related plants are the larval forms of the black swallowtail (Papilio polyxenes) butterfly.This species, sometimes known ...

We keep finding caterpillars in our garden. I wrote about a silkworm caterpillar we raised indoors until a winged Io moth emerged in July. In August, my wife, Kathy, found another caterpillar ...

Scientists have forced a little evolution in the laboratory, controlling whether a caterpillar becomes green or black. The color of the critter was made to vary with temperature during their ...

Tussock moth caterpillars are about an inch or two long with four brush-like tufts, or bunches of hair, and red dots on the back of their bodies. They also have a pair of longer black hairs in ...

A friend took this picture in a parking lot. The caterpillar is about three inches long and grabbed hold of the pavement tightly when my friend tried to move it. Can you identify it? If you wondere… ...