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Subfamily Pachypsyllinae

galls - Pachypsylla celtidisvesicula Hackberry Psyllid - Pachypsylla celtidisasterisca Bug ID - Pachypsylla Hackberry Galls [Pachypsylla? venusta??] ID Request/Confirmation - Pachypsylla venusta Hackberry Blister Gall Psyllid (Pachypsylla celtidisvesicula)? - Pachypsylla celtidisasterisca Pachypsylla celtidismamma reared from Celtis occidentalis - Pachypsylla celtidismamma Sugarberry Psyllid nymph? - Tetragonocephala flava Psylloidea  - Pachypsylla venusta
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Sternorrhyncha (Plant-parasitic Hemipterans)
Superfamily Psylloidea
Family Aphalaridae
Subfamily Pachypsyllinae
Explanation of Names
Pachypsyllinae Crawford, 1914
Over 9 spp. in 2 genera in our area(1), over 20 spp. in 3 genera worldwide(2)
2-6mm (3)
Pachypsylla: Basal segment of metatarsus with two black claws, forming galls on Hackberry (3)

Tetragonocephala flava: Basal segment of metatarsus without claws, on Sugarberry (3)
Throughout North America, especially in the east (2)