01233cam a22003371a 4500 agr50000575 DLC 20260227111014.0 791026s1949 dcuab b f000 0 eng c agr50000575 (OCoLC)5591370 U. S. Dept. of Agr. Libr. ViRU DNAL DLC premarc n-us--- S21 .A72 no. 983 1 Ag84Te no.983 F821 Baker, W. A. (William Alfonso) Biological control of the European corn borer in the United States / by W.A. Baker, W.G. Bradley, and C.A. Clark. Washington : U.S. Dept. of Agriculture, 1949. 185 p. : ill., maps ; 23 cm. Technical bulletin / United States Department of Agriculture ; no. 983 Cover title. Contribution from Bureau of Entomology and Plant Quarantine. Literature cited: p. 183-185. European corn borer Biological control. Corn Diseases and pests United States. Bradley, W. G. Clark, Charles A. Technical bulletin (United States. Department of Agriculture) ; no. 983. 11227 11227