Papers on deciduous-fruit insects.
Papers on deciduous-fruit insects.
- Washington, Govt. print. off., 1918.
- 40 p. incl. diagr. VIII pl. on 5 l 23 cm.
- United States. Dept. of agriculture. Bulletin no. 730. Professional paper. .
- Department bulletin (United States. Department of Agriculture) ; no. 730. Professional paper. .
Contribution from the Bureau of entomology.
Bibliography: p. 16-19. "Literature cited": p. 28.
I. The grape curculio [Craponius inaequalis Say] - II. The grape root-borer [Memythrus polistiformis Harris] By F. E. Brooks. - III. Experiments in the control of the root form of the woolly apple aphis [Eriosoma lanigerum Hausmann]
agr19000156
Fruit--Diseases and pests.
S21 / .A7 no. 730
Contribution from the Bureau of entomology.
Bibliography: p. 16-19. "Literature cited": p. 28.
I. The grape curculio [Craponius inaequalis Say] - II. The grape root-borer [Memythrus polistiformis Harris] By F. E. Brooks. - III. Experiments in the control of the root form of the woolly apple aphis [Eriosoma lanigerum Hausmann]
agr19000156
Fruit--Diseases and pests.
S21 / .A7 no. 730