The invention encompasses novel pyrazolyltriazolylpyridines of the general formula (I) in which the radicals A1-A4, W, Q, R1, R5 and Z1-Z3 have the meanings given in the description. Also described are processes for preparing the compounds of the formula (I). The compounds according to the invention are especially suitable for controlling insects and arachnids in agriculture, and ectoparasites in veterinary medicine.