Rhinopsyllidae Triozidae is one of seven families collectively referred to as plant lice.

They have traditionally been considered part of a single family, Psyllidae, but recent classifications divide the group into a total of seven families; most of the genera (over 70) remain in the Psyllidae, but Triozidae is the third-largest family in the group.

The family contains a number of agricultural pest species including: On the University of Florida / Institute of Food and Agricultural Sciences Featured Creatures website The World Psylloidea Database by D. Ouvrard: Triozidae in Psyl'list (in French, English, Spanish, and German)