y^J^^^ 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 66, Part YL 



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



SOME INSECTS INJURIOUS TO TRUCK CROPS. 



THE HOP FLEA-BEETLE. 



BT 



e. 



V\'- 



F. H. CHITTENDEN, Sc. D., 



In Charge of Truvi: Crop and Special Insect Investigations. 



Issued May S, 1909. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1909. 



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