An edition of A bibliography of Psylla (Homoptera: Psyllidae) on pear trees (1981)
A Bibliography of Psylla (Homoptera: Psyllidae) on pear trees.
By United States. Science and Education Administration
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Publish Date
1981
Publisher
U.S. Dept. of Agriculture, Science and Education Administration
Language
eng
Pages
13
Description:
subjects: Pear, Jumping plant-lice, Bibliography, Diseases and pests, Psylla