They don't have vocal chords, but caterpillars use sound to try to scare off intruders.
Most caterpillars are harmless, but you don't want to take your chances.
Nature can sometimes be a scary place, particularly if you are the sort of insect that parasitic wasp larvae enjoy eating - alive!
On this Moment of Science, we'll learn how the phrase "blood is thicker than water," applies to the natural world.
You may think milkweed is just a stubborn weed, but to some it's a valuable commodity.
On today's Moment of Science, learn about the predatory relationship between caterpillars and wasps.
Learn about the surprising relationship between caterpillars and ants.
Do caterpillars have table manners? Find out on this Moment of Science.
Do you shoo away wasps because you're afraid of a nasty sting? Well you can breathe a little easier now. Find out why!
Imagine this scenario. You're a plant, and a butterfly lays its eggs on you. What do you do? Find out on this Moment of Science.