3-Cyclopropyl-4-(3-thiobenzoyl)pyrazole of the formula or a salt thereof in which R 1 is (C 1 -C 4)-alkyl, R 2 is halogen or (C 1 -C 4)-alkyl, R 3 is (C 3 -C 8)-cycloalkyl-(C 1 -C 9)-alkyl, (C 1 -C 6)-haloalkyl, (C 3 -C 8) -halocycloalkyl-(C 1 -C 9)-alkyl, (C 2 -C 6)-nitroalkyl, (C 3 -C 8) -cycloalkoxy-(C 1 -C 9)-alkyl, (C 3 -C 8)-cycloalkyl- (C 1 -C 9)-alkoxy- (C 1 -C 9)-alkyl, (C 1 -C 6)-alkoxy-(C 1 -C 9)-alkyl, (C 2 -C 6)-alkenyloxy-(C 1 -C 9)-alkyl, (C 2 -C 6)-alkynyloxy-(C 1 -C 9)-alkyl, (C 1 -C 6)-haloalkoxy-(C 1 -C 9)-alkyl, (C 3 -C 8)-halocycloalkyl-(C 1 -C 9)-alkoxy-(C 1 -C 9)-alkyl, (C 2 -C 6)-haloalkenyloxy-(C 1 -C 9)-alkyl, (C 2 -C 6)-haloalkynyloxy-(C 1 -C 9)-alkyl, (C 2 -C 6)-nitroalkoxy-(C 1 -C 9)-alkyl, phenyloxy-(C 1 -C 9)-alkyl, where the phenyl group may in each case be substituted by m identical or different radicals from the group consisting of (C 1 -C 3)-alkyl, halogen, nitro, (C 1 -C 3)-alkoxy, R 4 is hydrogen, (C 1 -C 6)-alkylsulfonyl, (C 1 -C 9)-alkoxy-(C 1 -C 6)-alkylsulfonyl, or is phenylsulfonyl, thien-2-ylsulfonyl, (ethylthio)carbonyl, benzoyl, benzoyl-(C 1 -C 6)-alkyl or benzyl, each of which is substituted by m identical or different radicals from the group consisting of halogen, (C 1 -C 4)-alkyl and (C 1 -C 9)-alkoxy, X and Y independently of one another are hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, (C 1 -C 6)-alkyl, (C 1 -C 6)-haloalkyl, (C 2 -C 6)-alkenyl, (C 2 -C 6)-haloalkenyl, (C 2 -C 6)-alkynyl, (C 3 -C 6)-haloalkynyl, (C 3 -C 6)-cycloalkyl, OR 5, methylsulfonylethoxymethyl, methylsulfonylethylsulfonylmethyl, methoxyethylsulfonylmethyl, OCOR 5, OSO 2 R 5, S n R 5, SO 2 OR 5, SO 2 N(R 5) 2, (C 1 -C 3)-alkoxy-(C 1 -C 3)-alkoxy-(C 1 -C 3)-alkyl, NR 5 SO 2 R 5, NR 5 COR 5, (C 1 -C 6)-alkyl-S n R 5, (C 1 -C 6)-alkyl-OR 5, (C 1 -C 6)-alkyl-OCOR 5, (C 1 -C 6)-alkyl-OSO 2 R 5, (C 1 -C 6)-alkyl-SO 2 OR 5, (C 1 -C 6)-alkyl-SO 2 N(R 5) 2 or (C 1 -C 6)-alkyl-NR 5 COR 5; R 5 is hydrogen, (C 1 -C 6)-alkyl, (C 2 -C 6)-alkenyl, (C 2 -C 6)-alkynyl, (C 3 -C 6)-cycloalkyl, phenyl or phenyl-(C 1 -C 6)-alkyl, where the six lastmentioned radicals are substituted by s radicals from the group consisting of hydroxyl, mercapto, amino, cyano, nitro, thiocyanato, OR 6, SR 6, N(R 6) 2, NOR 6, OCOR 6, SCOR 6, NR 6 COR 6, CO 2 R 6, COSR 6, CON(R 6) 2, (C 1 -C 4)-alkyliminooxy, (C 1 -C 4)-alkoxyamino, (C 1 -C 4)-alkylcarbonyl, (C 1 -C 4)-alkoxy-(C 2 -C 6)-alkoxycarbonyl and (C 1 -C 4)-alkylsulfonyl; R 6 is hydrogen, (C 1 -C 6)-alkyl, (C 2 -C 6)-alkenyl or (C 2 -C 6)-alkynyl, m is 0, 1, 2, 3, 4 or 5, n is 0, 1 or 2, q is 0, 1, 2, 3, 4 or 5, s is 0, 1, 2 or 3, with the proviso that R 3 is not (C 1 -C 6)-haloalkyl if n is 0. R 1 is (C 1 -C 4)-alkyl, R 2 is halogen or (C 1 -C 4)-alkyl, R 3 is (C 3 -C 8)-cycloalkyl-(C 1 -C 9)-alkyl, (C 1 -C 6)-haloalkyl, (C 3 -C 8) -halocycloalkyl-(C 1 -C 9)-alkyl, (C 2 -C 6)-nitroalkyl, (C 3 -C 8) -cycloalkoxy-(C 1 -C 9)-alkyl, (C 3 -C 8)-cycloalkyl- (C 1 -C 9)-alkoxy- (C 1 -C 9)-alkyl, (C 1 -C 6)-alkoxy-(C 1 -C 9)-alkyl, (C 2 -C 6)-alkenyloxy-(C 1 -C 9)-alkyl, (C 2 -C 6)-alkynyloxy-(C 1 -C 9)-alkyl, (C 1 -C 6)-haloalkoxy-(C 1 -C 9)-alkyl, (C 3 -C 8)-halocycloalkyl-(C 1 -C 9)-alkoxy-(C 1 -C 9)-alkyl, (C 2 -C 6)-haloalkenyloxy-(C 1 -C 9)-alkyl, (C 2 -C 6)-haloalkynyloxy-(C 1 -C 9)-alkyl, (C 2 -C 6)-nitroalkoxy-(C 1 -C 9)-alkyl, phenyloxy-(C 1 -C 9)-alkyl, where the phenyl group may in each case be substituted by m identical or different radicals from the group consisting of (C 1 -C 3)-alkyl, halogen, nitro, (C 1 -C 3)-alkoxy, R 4 is hydrogen, (C 1 -C 6)-alkylsulfonyl, (C 1 -C 9)-alkoxy-(C 1 -C 6)-alkylsulfonyl, or is phenylsulfonyl, thien-2-ylsulfonyl, (ethylthio)carbonyl, benzoyl, benzoyl-(C 1 -C 6)-alkyl or benzyl, each of which is substituted by m identical or different radicals from the group consisting of halogen, (C 1 -C 4)-alkyl and (C 1 -C 9)-alkoxy, X and Y independently of one another are hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, (C 1 -C 6)-alkyl, (C 1 -C 6)-haloalkyl, (C 2 -C 6)-alkenyl, (C 2 -C 6)-haloalkenyl, (C 2 -C 6)-alkynyl, (C 3 -C 6)-haloalkynyl, (C 3 -C 6)-cycloalkyl, OR 5, methylsulfonylethoxymethyl, methylsulfonylethylsulfonylmethyl, methoxyethylsulfonylmethyl, OCOR 5, OSO 2 R 5, S n R 5, SO 2 OR 5, SO 2 N(R 5) 2, (C 1 -C 3)-alkoxy-(C 1 -C 3)-alkoxy-(C 1 -C 3)-alkyl, NR 5 SO 2 R 5, NR 5 COR 5, (C 1 -C 6)-alkyl-S n R 5, (C 1 -C 6)-alkyl-OR 5, (C 1 -C 6)-alkyl-OCOR 5, (C 1 -C 6)-alkyl-OSO 2 R 5, (C 1 -C 6)-alkyl-SO 2 OR 5, (C 1 -C 6)-alkyl-SO 2 N(R 5) 2 or (C 1 -C 6)-alkyl-NR 5 COR 5; R 5 is hydrogen, (C 1 -C 6)-alkyl, (C 2 -C 6)-alkenyl, (C 2 -C 6)-alkynyl, (C 3 -C 6)-cycloalkyl, phenyl or phenyl-(C 1 -C 6)-alkyl, where the six lastmentioned radicals are substituted by s radicals from the group consisting of hydroxyl, mercapto, amino, cyano, nitro, thiocyanato, OR 6, SR 6, N(R 6) 2, NOR 6, OCOR 6, SCOR 6, NR 6 COR 6, CO 2 R 6, COSR 6, CON(R 6) 2, (C 1 -C 4)-alkyliminooxy, (C 1 -C 4)-alkoxyamino, (C 1 -C 4)-alkylcarbonyl, (C 1 -C 4)-alkoxy-(C 2 -C 6)-alkoxycarbonyl and (C 1 -C 4)-alkylsulfonyl; R 6 is hydrogen, (C 1 -C 6)-alkyl, (C 2 -C 6)-alkenyl or (C 2 -C 6)-alkynyl, m is 0, 1, 2, 3, 4 or 5, n is 0, 1 or 2, q is 0, 1, 2, 3, 4 or 5, s is 0, 1, 2 or 3, with the proviso that R 3 is not (C 1 -C 6)-haloalkyl if n is 0.