Prop-1-ynyl-3-phenoxybenzyl-2,2-dimethyl-3-(2',2'-dihalovinyl)-cyclopropane -1-carboxylates of the formula ##STR1## in which X.sub.1 if fluorine, chlorine or bromine, and their use in combating pests.
Prop-1-ynyl-3-phenoxybenzyl-
2,2-二甲基-3-(2',2'-二卤
乙烯基)-
环丙烷-1-
羧酸酯的
化学式为##
STR1##其中X1为
氟、
氯或
溴,可用于防治害虫。