N-oxipiperidinas espiroheterocclicas pesticidally

Compounds of formula I ** ** Formula wherein X, Y and Z, independently of one another are alkyl of 5 C1-4, C3-6 cycloalkyl, C1-4 haloalkyl, C1-4 alkoxy, halogen, phenyl or phenyl substituted with C1-4 alkyl, C1-4 haloalkyl, halogen or cyano; m and n independently are 0, 1, 2 or 3, and m + n is 0, 1, 2 or 3; G is hydrogen, a metal, ammonium, sulfonium or a protecting group selected from the group consisting of C1-C8 haloalkyl, C2-C8, phenyl-C1-C8 (wherein the phenyl may be optionally substituted with C1-C3 alkyl, halo C1-C3 alkyl, C1-C3 haloalkoxy, C1-C3 alkylthio C1-C3 alkylsulfinyl C1-C3 alkylsulfonyl C1-C3 alkyl, halogen, cyano or by nitro ), heteroarylalkyl C1-C8 (wherein the heteroaryl may be optionally substituted with C1-C3 haloalkyl, C1-C3 alkyl, C1-C3 haloalkoxy, C1-C3 alkylthio C1-C3 alkylsulfinyl of C1-C3, C1-C3 alkylsulfonyl, halogen, cyano or by nitro), C3-C8 alkenyl, C3-C8 haloalkenyl, C3-C8 alkynyl, C (Xa) -Ra, C (Xb) -Xc- Rb, C (Xd) - N (Rc) -Rd, -SO2-Re, -P (Xe) (Rf) or CH2-Xf -Rg-Rh, wherein Xa, Xb, Xc, Xd, Xe and Xf are, independently, oxygen or sulfur.