Triozidae is one of seven families, collectively referred to as plant lice, based on the type genus Trioza. They had traditionally been considered part of a single family, Psyllidae, but recent classifications divide the superfamily into a total of seven families; most of the genera remain in the Psyllidae, but Triozidae is the third-largest family in the group.
The family contains a number of agricultural pest species including:
The Global Biodiversity Information Facility currently (2025) includes:
On the University of Florida / Institute of Food and Agricultural Sciences Featured Creatures website