Beans use an immune receptor to call in airstrikes on caterpillars

When they're being eaten, bean plants release chemicals that draw in parasitic wasps. https://arstechnica.com/science/2026/06/beans-use-an-immune-receptor-to-call-in-airstrikes-on-caterpillars/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social