A pyrazole compound of formula I, wherein R 1 is H, C 1 -C 2 -alkyl, or C 1 -C 2 -alkoxymethyl; R 2 is CH 3, CH 2 F, CHF 2, or CF 3; R 3 is a monospiro or dispiro 5- to 10-membered carbo- or heterocycle, which may contain 1 or 2 heteroatom moieties selected from N-R c, O, and S k, with k being 0, 1, or 2, which carbo- or heterocycle is unsubstitued or may be substituted by 1, 2, 3, or 4 radicals R a3; R a1 is CN, NO 2, C NH 2, C NH 2, C 1 -C 2 -alkylcarbonyloxy, C 1 -C 4 -alkoxy, C 1 -C 2 -haloalkoxy, C 1 -C 2 -alkyloxycarbonyl, or S n R b; R a2 is halogen or a group mentioned for R a1; R a3 is halogen, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 1 -C 2 -alkoxy-C 1 -C 2 -alkyl, C 1 -C 2 -alkyliden, =O, =S, =NR b, =NOR b, =NSR b, or a group mentioned for R a1; n is 0, 1, or 2; R b is H, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 3 -C 6 -cycloalkyl, or C 1 -C 4 -alkoxy, R c is H, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 1 -C 2 -alkylcarbonyl, or C 1 -C 2 -alkoxy-carbonyl; R 4 is C 1 -C 4 -alkyl or C 1 -C 4 -haloalkyl; or R 3 and R 4 together with the carbon atom, to which they are attached, form a monospiro or dispiro 5- to 10-membered carbo- or heterocycle, which may contain 1 or 2 heteroa-tom moieties selected from N-R c, O, and S k, with k being 0 1 or 2, which carbo-or heterocycle is unsubstituted or may be substituted by 1, 2, 3 or 4 radicals R a3*; R a3* is CN, C 1 -C 2 -haloalkyl, C 1 -C 2 -alkoxy-C 1 -C 2 -alkyl, or C 1 -C 2 -alkyliden; R 5 is H, CH 3, CN, F, OCH 3, SCH 3, CF 3, OCF 3, or SCF 3; and the stereoisomers, salts, tautomers and N-oxides thereof. R 1 is H, C 1 -C 2 -alkyl, or C 1 -C 2 -alkoxymethyl; R 2 is CH 3, CH 2 F, CHF 2, or CF 3; R 3 is a monospiro or dispiro 5- to 10-membered carbo- or heterocycle, which may contain 1 or 2 heteroatom moieties selected from N-R c, O, and S k, with k being 0, 1, or 2, which carbo- or heterocycle is unsubstitued or may be substituted by 1, 2, 3, or 4 radicals R a3; R a1 is CN, NO 2, C NH 2, C NH 2, C 1 -C 2 -alkylcarbonyloxy, C 1 -C 4 -alkoxy, C 1 -C 2 -haloalkoxy, C 1 -C 2 -alkyloxycarbonyl, or S n R b; R a2 is halogen or a group mentioned for R a1; R a3 is halogen, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 1 -C 2 -alkoxy-C 1 -C 2 -alkyl, C 1 -C 2 -alkyliden, =O, =S, =NR b, =NOR b, =NSR b, or a group mentioned for R a1; n is 0, 1, or 2; R b is H, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 3 -C 6 -cycloalkyl, or C 1 -C 4 -alkoxy, R c is H, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 1 -C 2 -alkylcarbonyl, or C 1 -C 2 -alkoxy-carbonyl; R a1 is CN, NO 2, C NH 2, C NH 2, C 1 -C 2 -alkylcarbonyloxy, C 1 -C 4 -alkoxy, C 1 -C 2 -haloalkoxy, C 1 -C 2 -alkyloxycarbonyl, or S n R b; R a2 is halogen or a group mentioned for R a1; R a3 is halogen, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 1 -C 2 -alkoxy-C 1 -C 2 -alkyl, C 1 -C 2 -alkyliden, =O, =S, =NR b, =NOR b, =NSR b, or a group mentioned for R a1; n is 0, 1, or 2; R b is H, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 3 -C 6 -cycloalkyl, or C 1 -C 4 -alkoxy, R c is H, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 1 -C 2 -alkylcarbonyl, or C 1 -C 2 -alkoxy-carbonyl; R b is H, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 3 -C 6 -cycloalkyl, or C 1 -C 4 -alkoxy, R c is H, C 1 -C 2 -alkyl, C 1 -C 2 -haloalkyl, C 1 -C 2 -alkylcarbonyl, or C 1 -C 2 -alkoxy-carbonyl; R 4 is C 1 -C 4 -alkyl or C 1 -C 4 -haloalkyl; or R 3 and R 4 together with the carbon atom, to which they are attached, form a monospiro or dispiro 5- to 10-membered carbo- or heterocycle, which may contain 1 or 2 heteroa-tom moieties selected from N-R c, O, and S k, with k being 0 1 or 2, which carbo-or heterocycle is unsubstituted or may be substituted by 1, 2, 3 or 4 radicals R a3*; R a3* is CN, C 1 -C 2 -haloalkyl, C 1 -C 2 -alkoxy-C 1 -C 2 -alkyl, or C 1 -C 2 -alkyliden; R 5 is H, CH 3, CN, F, OCH 3, SCH 3, CF 3, OCF 3, or SCF 3; and