Pachypsyllinae

Pachypsyllinae is a plant louse subfamily, now placed in the family Carsidaridae.^[1]

Pachypsyllinae
Pachypsylla celtidisumbilicus, nymph
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hemiptera
Suborder:	Sternorrhyncha
Family:	Carsidaridae
Subfamily:	Pachypsyllinae Crawford, 1914

Genera

A recent (2021) review^[1] identified three genera:

1. Celtisaspis Yang & Li, 1982
2. Pachypsylla Riley, 1885 (syn. Blastophysa)
3. Tetragonocephala Crawford, 1914