Biological control of the European corn borer in the United States /
Baker, W. A.
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 . - Technical bulletin (United States. Department of Agriculture) ; no. 983. .
Cover title. Contribution from Bureau of Entomology and Plant Quarantine.
Literature cited: p. 183-185.
agr50000575
European corn borer--Biological control.
Corn--Diseases and pests--United States.
S21 / .A72 no. 983
1 / Ag84Te no.983
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 . - Technical bulletin (United States. Department of Agriculture) ; no. 983. .
Cover title. Contribution from Bureau of Entomology and Plant Quarantine.
Literature cited: p. 183-185.
agr50000575
European corn borer--Biological control.
Corn--Diseases and pests--United States.
S21 / .A72 no. 983
1 / Ag84Te no.983