Compounds of formula ##STR00001## wherein A.sub.1, A.sub.2 and A.sub.3 are each independently of the others a bond or a C.sub.1-C.sub.6alkylene bridge; A.sub.4 is a C.sub.1-C.sub.6alkylene bridge; D is CH or N; W is, for example, O, NR.sub.7 or S; T is, for example, a bond, O, NH or NR.sub.7; Q is O, NR.sub.7, S, SO or SO.sub.2; Y is O, NR.sub.7, S, SO or SO.sub.2; X.sub.1 and X.sub.2 are each independently of the other fluorine, chlorine or bromine; R.sub.1, R.sub.2 and R.sub.3 are, for example, H, halogen, CN, nitro, C.sub.1-C.sub.6alkyl, C.sub.1-C.sub.6haloalkyl, C.sub.1-C.sub.6alkylcarbonyl or C.sub.2-C.sub.6alkenyl; R.sub.4 is, for example, H, halogen, CN, nitro or C.sub.1-C.sub.6alkyl; R.sub.5 and R.sub.6 are, for example, H, CN, OH, C.sub.1-C.sub.6alkyl, C.sub.3-C.sub.8cycloalkyl, C.sub.3-C.sub.8cycloalkyl-C.sub.1-C.sub.6alkyl, C.sub.1-C.sub.6haloalkyl, C.sub.1-C.sub.6alkoxy or C.sub.1-C.sub.6haloalkoxy; R.sub.7 is H, C.sub.1-C.sub.6alkyl, C.sub.1-C.sub.6alkoxyalkyl or C.sub.1-C.sub.6alkylcarbonyl; k, when D is nitrogen, is 1, 2 or 3; or, when D is CH, is 1, 2, 3 or 4; and m is 1 or 2; and, where applicable, their possible E/Z isomers, E/Z isomeric mixtures and/or tautomers, in each case in free form or in salt form, a process for the preparation of those compounds and their use, pesticidal compositions in which the active ingredient has been selected from those compounds or an agrochemically acceptable salt thereof, a process for the preparation of those compositions and their use, plant propagation material treated with those compositions, and a method of controlling pests.