| Noun | 1. | psocopterous insect - small soft-bodied insect with chewing mouthparts and either no wings or two pairs insect - small air-breathing arthropod Corrodentia, order Corrodentia, order Psocoptera, Psocoptera - an order of insects: includes booklice and bark-lice psocid - small winged insect living on the bark and leaves of trees and feeding on e.g. fungi and decaying plant matter book louse, booklouse, deathwatch, Liposcelis divinatorius - minute wingless psocopterous insects injurious to books and papers |