United States Bureau of Entomology. creator text dcu Washington Govt. print. off. 1915 monographic eng

print

vii, 117 p. incl. illus., map, diagrs. XVI pl. on 12 l. 23 cm. I. Spraying experiments against the grape leafhopper in the Lake Erie Valley in 1911. By Fred Johnson. 1912.--II. The grape-berry moth. By Fred Johnson and A. G. Hammar. 1912.--III. The cherry fruit sawfly. By S. W. Foster. 1913.--IV. Lime-sulphur as a stomach poison for insects. By E. W. Scott and E. H. Siegler. 1913.--V. The fruit-tree leaf-roller ... By J. B. Gill. 1913. Papers were published separately, 1912-1913. Bibliography: p. 66-71. Fruit Diseases and pests Insecticides SB933 .U18 United States. Bureau of Entomology. agr15000188 DLC 770509 20260227110937.0 agr15000188