N
any of various neuropterous insects, esp any of the families Chrysopidae (green lacewings) and Hemerobiidae (brown lacewings), having lacy wings and preying on aphids and similar pests 草蜻蛉
Plants producing their own pesticides sound like a wonderful idea, until you find - as the scientists have - that beneficial insects, like lacewings and ladybirds, are also affected.