Researchers at the University of Bristol, UK, have discovered that caterpillars have the ability to sense and react to electrostatic fields produced by their predators such as wasps. For their study, researchers created an artificial electrostatic field that matched the electrostatic field produced by a wasp when it approaches its prey. They then observed the caterpillars’ reactions to the field. It was found that the caterpillars defended themselves by coiling their body or flailing. The study also found that caterpillars use the small hairs on their body called setae to sense these electrostatic fields.
DID YOU KNOW?
Caterpillars respire through holes on their body called spiracles.