Papers on deciduous-fruit insects text dcu Washington Govt. print. off. 1918 monographic eng
print
40 p. incl. diagr. VIII pl. on 5 l 23 cm. 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] Contribution from the Bureau of entomology. Bibliography: p. 16-19. "Literature cited": p. 28. Fruit Diseases and pests S21 .A7 no. 730 Department bulletin (United States. Department of Agriculture) ; no. 730. Professional paper agr19000156 DLC 930406 20260227110940.0 agr19000156