Biological control of the European corn borer in the United States - Baker, W. A. (William Alfonso); Bradley, W. G.; Clark, Charles A. (Washington : U.S. Dept. of Agriculture, 1949)
Cover title.
Contribution from Bureau of Entomology and Plant Quarantine.
Literature cited: p. 183-185.
Keywords: European corn borer -- Biological control; Corn -- Diseases and pests -- United States