Any one of several species of neuropterous insects of the genus Chrysopa and allied genera. They have delicate, lacelike wings and brilliant eyes. Their larvæ are useful in destroying aphids. Called also lace-winged fly, and goldeneyed fly.
- Any of various insects of the superfamily Hemerobioidea, having four gauzy wings, threadlike antennae, and larvae that feed on insect pests such as aphids.