Troctomorpha

Linognathidae is a family of lice in the order Psocodea. There are at least 3 genera and 70 described species in Linognathidae.

Hoplopleuridae is a family of lice in the order Psocodea. There are about 6 genera and more than 150 described species in Hoplopleuridae. thumb|Schizophthirus pleurophaeus

Amphientomidae is a family of Psocodea (formerly Psocoptera) belonging to the suborder Troctomorpha. The presence of scales on their wings gives them a superficial resemblance to the unrelated family Lepidopsocidae (within Trogiomorpha), and both families can pass for microlepidoptera to the untrained eye. The family comprises 100 species arranged in twenty genera.

Enderleinellidae is a family of parasitic lice in the order Psocodea. There are 5 genera and more than 50 described species in Enderleinellidae.

Boopiidae is a family of lice in the order Psocodea. There are about 8 genera and more than 50 described species in Boopiidae.

Compsocidae is a family of Psocodea (formerly Psocoptera) belonging to the suborder Troctomorpha. The family comprises two extant species in two genera, both found in Mesoamerica. Compsocus elegans is found in Mexico and Central America, while Electrentomopsis variegata is found in Mexico. The antennae of each species have 13 or 14 segments. Two extinct genera, Burmacompsocus and Paraelectrentomopsis are known from the Cenomanian aged Burmese amber of Myanmar and Albian aged Spanish amber.

Linognathus is a genus of lice belonging to the family Linognathidae.

Gyropidae is a family of lice in the order Psocodea. There are about 9 genera and more than 90 described species in Gyropidae.

Troctomorpha is one of the three major suborders of Psocodea (formerly Psocoptera)(barklice, booklice, and parasitic lice), alongside Psocomorpha and Trogiomorpha. There are more than 30 families and 5,800 described species in Troctomorpha. The order includes parasitic lice, which are most closely related to the booklice family Liposcelididae.

Trimenoponidae is a family of lice in the order Psocodea. There are about 6 genera and 18 described species in Trimenoponidae.

Musapsocidae is a family of Psocodea (formerly Psocoptera) belonging to the suborder Troctomorpha. The pterostigma in their fore-wing has the characteristic of not being closed proximally. The family comprises 2 genera.

species of insect

Troctopsocidae is a family of Psocodea (formerly Psocoptera) belonging to the suborder Troctomorpha. The family consists of seven genera.

Protroctopsocidae is a family of psocids in the order Psocodea. There are at least four genera and about five described species in Protroctopsocidae.

Lithoseopsis is a genus of tropical barklice in the family Amphientomidae. There are about 10 described species in Lithoseopsis.