Science

Plant Immunity and Insect Defense

Updated 2026-06-03 12:50 UTC 1 source Neutral

Bean plants release chemicals when attacked by caterpillars, attracting parasitic wasps for defense. This natural mechanism could have agricultural applications.

Coverage timeline — 1 article

Ars Technica

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.

2026-06-03 11:15 UTC