The attack of a small black wasp doesn’t seem to faze the caterpillar that’s munching on the leaf of a maple tree—at least not at first. After getting stung, the caterpillar continues to crawl around and eat as if nothing happened. But 10 days later, it suddenly slows its crawl. It stops eating and eventually stops moving but remains attached to a branch.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.