The present invention relates to N-thio-anthranilamide compounds of the formula (I), the stereoisomers, the salts, the tautomers and the N-oxides thereof, wherein R1 is halogen or halomethyl; R2 is hydrogen, halogen or cyano; R3 is hydrogen, C1-C4 alkyl, C1-C4 haloalkyl, C2-C6-alkenyl or the like; R4 is halogen; R5 and R6 independently of each other are optionally substituted C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, phenyl, or together represent an (hetero)aliphatic chain, or the like; k is 0 or 1. The present invention further relates to a method for combating or controlling invertebrate pests, to a method for protecting plant propagation material and/or the plants which grow therefrom, to plant propagation material comprising at least one compound according to the present invention, to a method for treating or protecting an animal from infestation or infection by parasites, to a process for the preparation of a composition for treating infested or infected animals and/or for protecting animals against infestation or infection by parasites, and to a compound according to the invention for use as a medicament.