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Species Pachypsylla venusta - Hackberry Petiole Gall Psyllid

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

American Psyllidae IV (A Partial Revision of Subfamilies).
By Crawford, D. L.
Pomona College Journal of Entomology 3: 480-503. , 1911

The psyllids of America North of Mexico: (Psyllidae: Homoptera) (Subfamilies Psyllinae and Triozinae)
By Tuthill, L.D.
Iowa State College Journal of Science 17: 443-660, 1943
Full text

[cite:1074286]

An annotated checklist of the psyllids of California (Hemiptera: Psylloidea)
By Percy, D.M., A. Rung and M.S. Hoddle
Zootaxa 3193: 1-27, 2012

Recent adventive scale insects (Hemiptera: Coccoidea) and whiteflies (Hemiptera:Aleyrodidae) in Florida and the Caribbean region
By Stocks I.
In: Potential invasive pests of agricultural crops. Peña J.E., ed. CABI International, Wallingford, UK, pp. 342-362, 2013

New species of Hemiptera chiefly from California
By Van Duzee, Edward P
Proceedings of the California Academy of Sciences, 4th series, 1918
Full text currently at the Biodiversity Heritage Library here:
https://www.biodiversitylibrary.org/part/64289

Hemiptera of Canada
By Foottit R.G., Maw H.E.L., Kits J.H., Scudder G.G.E.
ZooKeys 819: 277-290, 2019
Full text

i wish resources and projects of this scope covering the US territory were available

Insect herbivores of 12 milkweed (Asclepias) species.
By Betz, R.F., W.R. Rommel & J.J. Dichtl.
Pp. 7-19. In: C. Warwick (ed.). Proceedings of the 15th North American Prairie Conference, Natural Areas Association, Bend, OR., 2000
Full PDF

Betz, R.F., W.R. Rommel & J.J. Dichtl. 2000. Insect herbivores of 12 milkweed (Asclepias) species, Pp. 7-19. In: C. Warwick (ed.). Proceedings of the Fifteenth North American Prairie Conference, Natural Areas Association, Bend, OR.

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