Compounds of the formula ##SPC1##WhereinN represents the number 0 or 1,Y represents --CH.sub.2 --, --N=N--, --CH.sub.2 O--, --NH--, ##EQU1## or the direct bond, Z represents oxygen or sulphur,R.sub.1 represents hydrogen, C.sub.1 -C.sub.5 -alkyl; ethynyl, C.sub.1 -C.sub.5 -alkoxy, C.sub.3 -C.sub.5 -alkenyloxy, C.sub.3 -C.sub.5 -haloalkenyloxy, C.sub.3 -C.sub.5 -alkynyloxy, halogen, nitro, C.sub.2 -C.sub.5 -alkoxy-carbonyl, C.sub.3 -C.sub.5 -alkenyloxycarbonyl, C.sub.3 -C.sub.5 -alkynyl-oxycarbonyl, C.sub.1 -C.sub.2 -alkanoyl, di(-C.sub.1 -C.sub.4 -alkyl)carbamoyl, C.sub.1 -C.sub.4 -alkylthio,R.sub.2 represents hydrogen, C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.5 -alkoxy or halogen, orR.sub.1 and R.sub.2 together represent a 3,4-methylenedioxy group,R.sub.3 represents hydrogen or C.sub.1 -C.sub.3 -alkyl,R.sub.4 represents hydrogen, C.sub.1 -C.sub.3 -alkyl or halogen,R.sub.5 represents cyclohexyl or the group ##SPC2## andR.sub.6 represents hydrogen, methyl, ethyl, halogen, methoxyOr ethoxy and their use for the control of insects and members of the order acarina are disclosed.