U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN NO. 65. 



L. O. HOWARD, Entomologist and Chief of Bureau 



THE TOBACCO THRIPS, 



A NEW AND DESTRUCTIVE ENEMY OF 

 SHADE-GROWN TOBACCO. 



BY 



W. A. HOOKER, 



Special Field Agent. 



Issued April 19, 1907. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



L907, 



