Earth is home to over 20,000 caterpillar species, found in every corner of the globe except Antarctica. While most are harmless, some species are just as dangerous as venomous snakes. Their defenses ...

This is the caterpillar of an Io moth, a species of silk moth that so intrigues entomologist Andrei Sourakov that he’s endured a number of the larva’s bee-like stings while studying various specimens.

All gardeners should be aware of the four common stinging caterpillars in our area: puss moth, IO moth, saddleback and buck moth. Children should be taught what they look like and told not to touch ...

You might conclude that this peacock moth caterpillar is having a bad hair day. But that array of green and black spikes has a purpose – to protect the creature from predators, by packing a mean sting ...