- Psocidae, family Psocidae - a family of small soft-bodied insects that feed on decaying vegetation; related to booklice
--1 is a kind of arthropod family
--1 is a member of Psocoptera, order Psocoptera, Corrodentia, order Corrodentia
--1 has members:psocid; Liposcelis, genus Liposcelis; Trogium, genus Trogium