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Species Pachypsylla celtidisinteneris - Hackberry Twig Gall Psyllid

Pachypsylla celtidisinteneris - female Pachypsylla celtidisinteneris - female Psylloid - Pachypsylla celtidisinteneris Psylloid ID Req. - Pachypsylla celtidisinteneris lateral - Pachypsylla celtidisinteneris Unknown Psylloidea - Pachypsylla celtidisinteneris Unknown Psylloidea - Pachypsylla celtidisinteneris Unknown Psylloidea - Pachypsylla celtidisinteneris
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
Genus Pachypsylla (Hackberry Psyllids)
Species celtidisinteneris (Hackberry Twig Gall Psyllid)
Synonyms and other taxonomic changes
Pachypsylla ungulata Caldwell, 1938
Explanation of Names
Pachypsylla celtidisinteneris Mally, 1894
3.5-4mm (1)
Forewings hyaline with dark maculae along pterostigma, continuing around the apex to the tip of the clavus and from there extending along the cubital vein; marginal cells relatively short, branches of medial cell sinuate (1)
Central US from OH to KS (2)
Hackberry (Ulmaceae: Celtis spp.) including C. occidentalis, C. reticulata, C. tenuifolia, & C. laevigata (3)
Life Cycle
Galls are located under the bark on twigs or bases of the larger limbs; adults emerge in spring (1)
See Also
Pachypsylla celtidisgemma is similar but with forewings uniformly dark:

P. dubia and P. pallida are also similar but brances of media are not sinuate.
Works Cited
1.The psyllids of America North of Mexico: (Psyllidae: Homoptera) (Subfamilies Psyllinae and Triozinae)
Tuthill, L.D. . 1943. Iowa State College Journal of Science 17: 443-660.
2.The Nearctic Psylloidea (Insecta: Homoptera): an annotated check list
Hodkinson, I.D. 1988. Journal of Natural History, 22 (1179-1243).
3.Biosystematics of hackberry psyllids (Pachypsylla) and the evolution of gall and lerp formation in psyllids
Yang, M.-M. & C. Mitter. 1993. The Ecology and Evolution of Gall-forming Insects. United States Dept. of Agriculture.