The present invention relates to pyrazole compounds of formulae I or II and the salts and N-oxides thereof,wherein A is a pyrazole radical of formulae A1, A2 or A3, wherein# denotes the binding site； R41, R42, R43, R51 are H, halogen, CN, NO2, C1-C10-alkyl and the like； R52, R53 are H, halogen, CN, NO2, C1-C10-alkyl, and the like； R61, R62, R63 are H, CN, NO2, C1-C10-alkyl, and the like； T is C(Rt) or N； U is C(Ru) or N； V is C(Rv) or N； W is C(Rw) or N； with the proviso that at least one of the groups T, U, V and W is N； Rt, Ru, Rv, Rw are H, halogen, C1-C4-alkyl and the like； X1 is S, O or NR1a, wherein R1a is selected H, C1-C10-alkyl and the like； X2 is OR2a, NR2bR2c, S(O)mR2d, wherein m is 0, 1 or 2, R2a is C1-C4-alkyl, C1-C4-haloalkyl and the like, R2b, R2c are H, C1-C4-alkyl, C1-C4-haloalkyl and the like, or R2b and R2c together with the nitrogen atom to which they are bound form a heterocycle, and R2d is C1-C4-alkyl, C1-C4-haloalkyl, C3-C6-cycloalkyl and the like； and R1 is H, CN, C1-C10-alkyl and the like. The present invention further relates to a method for 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 and to an agricultural composition containing at least one compound according to the present invention.本發明係關於式I或式II吡唑化合物及其鹽及N-氧化物，其中A為式A1、A2或A3之吡唑基團，其中#表示結合位點；R41、R42、R43、R51為H、鹵素、CN、NO2、C1-C10烷基及其類似基團；R52、R53為H、鹵素、CN、NO2、C1-C10烷基及其類似基團；R61、R62、R63為H、CN、NO2、C1-C10烷基及其類似基團；T為C(Rt)或N；U為C(Ru)或N；V為C(Rv)或N；W為C(Rw)或N；限制條件為該等基團T、U、V及W中至少一者為N；Rt、Ru、Rv、Rw為H、鹵素、C1-C4烷基及其類似基團；X1為S、O或NR1a，其中R1a選自H、C1-C10烷基及其類似基團；X2為OR2a、NR2bR2c、S(O)mR2d，其中m為0、1或2，R2a為C1-C4烷基、C1-C4鹵烷基及其類似基團；R2b、R2c為H、C1-C4烷基、C1-C4鹵烷基及其類似基團；或R2b及R2c連同其所連接之氮原子一起形成雜環，R2d為C1-C4烷基、C1-C4鹵烷基、C3-C6環烷基及其類似基團；及R1為H、CN、C1-C10烷基及其類似基團。本發明進一步關於一種控制無脊
