(Q51400526)
Statements
The leaf blister mite : (Eriophyes pyri Pagenstecher) (English)
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United States. Office of Experiment Stations
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Quaintance, A. L. (Altus Lacy)
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unknown value
U.S. Dept. of Agriculture, Bureau of Entomology
Washington, D.C.
1912
0 references