Insects of the orders Diptera, Coleoptera, Orthoptera and Lepidoptera are killed in the presence of living plants by applying to the locus of the insects an effective amount of a compound having the structural formula ##STR1## in which R is 2-propynyl, allyl, 2-bromoallyl, 2-chloroallyl, 2-methylallyl, 1-methylallyl or 2,3,3-trichloroallyl and R' is tert.butyl, propyl, cyclopropyl, isopropyl or 1-methylpropyl.
属于双翅目、鞘翅目、直翅目和鳞翅目昆虫的
生物,如果在活生生的植物附近施用具有下列结构式的化合物,即可杀死它们:##STR1## 其中R为2-
丙炔基,烯丙基,2-
溴烯丙基,2-
氯烯丙基,2-甲基烯丙基,1-甲基烯丙基或2,3,3-三
氯烯丙基,R'为叔丁基,丙基,环丙基,异丙基或1-甲基丙基。