An edition of Pear-tree psylla (Psylla pyricola Forest) (1895)
Pear-tree psylla (Psylla pyricola Forest)
By C. L. Marlatt
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Publish Date
1895
Publisher
United States Department of Agriculture, Division of Entomology
Language
eng
Pages
-
Description:
subjects: Jumping plant-lice, Pear, Diseases and pests, Pear-tree psylla, Pear psylla, Pears