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For Insects, Spiders & Their Kin
For the United States & Canada
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
Cite: 1074286
Full text

[cite:1074286]