Liposcelididae (historically often referred to as "Liposcelidae") is a family of barklice (Psocoptera) belonging to the suborder Troctomorpha. Members of this family are small and flattened, and often wingless.
The family contains close to 200 species, arranged in nine genera which make up one smaller and one larger subfamily:
Subfamily EmbidopsocinaeBelapha Belaphopsocus Belaphotroctes Chaetotroctes Embidopsocopsis Embidopsocus Troctulus
Subfamily LiposcelidinaeLiposcelis Troglotroctes