The aphides affecting the apple Quaintance, A. L. (Altus Lacy), 1870-1958 creator United States. Bureau of Entomology. contributor United States. Department of Agriculture. contributor text book Washington, D.C U.S. Dept. of Agriculture, Bureau of Entomology 1907 1907
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ENG Caption title. Circular No. 81. "Issued March 9, 1907." At head of title: United States Department of Agriculture, Bureau of Entomology. Introduction. pp. 1. Aphides in general. pp. 2. The European grain aphis. pp. 3. The apple aphid. pp. 5. The rosy apple aphis. pp. 7. Methods of control. pp. 9. Agricultural pests Apple aphid Apples Diseases and pests Circular (United States. Bureau of Entomology), no. 81 https://www.biodiversitylibrary.org/bibliography/63606 810938582 10.5962/bhl.title.63606 LHL