Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
ImagesLinksBooksData

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
Classification
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
Numbers
Over 9 spp. in 2 genera in our area(1), over 20 spp. in 3 genera worldwide(2)
Size
2-6mm (3)
Identification
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)
Range
Throughout North America, especially in the east (2)