U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 85, Part IV. 



L. O. HOWARD, Entomologist and Chief of Bureau. 



PAPERS ON CEREAL AND FORAGE INSECTS. 



THE SORGHUM MIDGE 



W. HARPER DEAN, 



Agent and Expert. 



Issued May 23, 1910. 



WASHINGTON: 



GOVERNMENT PRINTING OFFI^Ej v 



1910. 



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