Compounds of the formula ##SPC1## Wherein X is halogen or hydroxy; R.sup.3 and R.sup.4 represent halogen radicals; and R.sup.5 represents a hydrogen atom or the cyano radical. These compounds are used in the preparation of pesticidal cyclopropane carboxylates.
Compounds of the formula ##SPC1## Wherein R.sup.1 and R.sup.2 represent halogen radicals or lower alkyl groups; R.sup.3 and R.sup.4 represent halogen radicals; and R.sup.5 represents a hydrogen atom or the cyano radical. These compounds are effective against insect pests.
3-(2,2-Dichlorovinyloxy)-benzylesters of the formula ##STR1## wherein each of R.sub.1 and R.sub.2 independently represent fluoro, chloro, bromo or methyl, R.sub.3 represents hydrogen or methyl, R.sub.4 represents hydrogen or cyano, processes for their production and their use in pest control.