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The leaf blister mite of pear and apple
- Quaintance, A. L. (Altus Lacy)
- Farmers' bulletin / United States Department of Agriculture ; no. 722 1916
- Eriophyidae, Pear -- Diseases and pests, Apples -- Diseases and pests, mites, plant pests, physical control, spraying, kerosene, sulfur, horticultural oils, orchards, and fruit trees
- 6 p.  : ill. ; 23 cm.
- U.S. Dept. of Agriculture
- Organic Roots Collection