- 8 



Table 5 •■—Percent kill of adult citrus red mites 2 days after being 

 sprayed with various concentrations of N-substituted f crmasidea in 

 acetone solution 



c 



! per« 



1 per- 



0,5 per- 



9 1 per- 



0.05 per " 



Fornamlfle 



cent 



cent 



cent 



cent 



cent 



FormaE&de, N,N-dibensyl- 



100 



100 



100 



100 



18 



N- ( 2-hydro2yethyl ) - 



100 



100 



— 



76 





N-hexyl=- 



100 



90 



— 



67 





N- ( 3 -methoxypr opyl ) - 



■ 100 



100 



— 



U7 





N-tert-butyl- 



100 



90 



— 



U5 





N-phenethyl- 



100 



100 



— 



37 





p-Formophenetitide 



100 



100 



100 



7 





Formamide, N^N-dicyclohexyl- 



5?5 



100 



80 







Formaailida, g-chloro- 



100 



100 



72 







£-Forraanisidide 



100 



100 



69 







FormanVH.de, m-chloro- 



100 



91 



57 







U-pentyl- 



100 



7h 







• 



o-chloro- 



100 



5U 









N-isopentyl- 



100 



38 









2 > 5>,dichloro- 



86 











Aramite (0»01 percent) 



95 











