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Genus Boreioglycaspis

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Biosystematics of hackberry psyllids (Pachypsylla) and the evolution of gall and lerp formation in psyllids
By Yang, M.-M. & C. Mitter
The Ecology and Evolution of Gall-forming Insects. United States Dept. of Agriculture, 1993

The Nearctic Psylloidea (Insecta: Homoptera): an annotated check list
By Hodkinson, I.D.
Journal of Natural History, 22 (1179-1243), 1988
[cite:1177162]

The psyllids (Homoptera-Psyllidae) of Alaska
By Hodkinson I.D.
Systematic Entomology 3: 333-360, 1978

Psyllidae found at Ames, Iowa.
By Mally C.W.
Proceedings of the Iowa Academy of Sciences 2:152-171., 1894

A revised classification of the jumping plant-lice (Hemiptera: Psylloidea)
By Burckhardt D. & Ouvrard D.
Zootaxa 3509: 1-34., 2012

Two new species of Calophya and notes on others (Psyllidae: Homoptera)
By Tuthill, L.D.
Entomological News 53: 215-218., 1942

Notes on North American Psyllidae.
By Schwarz, E. A.
Proceedings of the Entomological Society of Washington 6: 234-245, 1904

Psyllidae of Maine
By Patch E. M.
Bulletin of the Maine Agricultural Experimental Station 187, 1911

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