1^30 -tl 3 



SB 

 818 

 C578 

 ENT 



Issued January 30. 1913. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— CIRCULAR No. 166. 



L. O. HO^X'ARD. Entomologist and Chief of Buieau. 



FLOUR PASTE AS A CONTROL FOR RED SPIDERS 



AND 



AS A SPREADER FOR CONTACT INSECTICIDES. 



WILLIAM B. PARKER, 



Entomological Assistant. 



vooes"— 13 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1913 



