A compound of formula (I) ** Formula ** in which B1, B2 represent CX or N, in which at least B1 or B2 is N, n is 1 or 2, limited by the number of positions available in the ring to which a substituent X can be connected, each X is independently selected from the group consisting of hydrogen, halogen, nitro, cyano, C1-C4 alkyl, C1-C4 haloalkyl having 1 to 5 halogen atoms, C2 alkenyl C4, C2-C4 alkynyl, C1-C4 alkylamino, di- (C1-C4 alkyl) amino, C1-C4 alkoxy, C1-C4 haloalkoxy having 1 to 5 halogen atoms, C2-C4 alkenyloxy, C2-C4 alkenyloxy having 1 to 5 halogen atoms, C3-C4 alkynyloxy, C3-C4 haloalkyloxy having 1 to 5 halogen atoms, C3-C6 cycloalkyl, C3-C6 halocycloalkyl having 1 to 5 halogen atoms, C1 alkylcarbonyl -C4, C1-C4 haloalkylcarbonyl having 1 to 5 halogen atoms, - CONH (C1-C4 alkyl), -CON (C1-C4 alkyl) 2, -CONH (C1-C4 alkyl), - CON (C1 alkyl -C4) (C1 alkyl -C4), C1-C4 alkoxycarbonyl, C1-C4 haloalkoxycarbonyl having 1 to 5 halogen atoms, C1-C4 alkylcarbonyloxy, C1-C4 haloalkylcarbonyloxy having 1 to 5 halogen atoms, C1-C4 alkylcarbonyl, C1- haloalkylcarbonylamino C4 having 1 to 5 halogen atoms, -OCONH (C1-C4 alkyl), -OCON (C1-C4 alkyl) 2, -OCONH (C1-C4 alkyl), -OCO (C1-C4 alkyl), -S -C1-C4 alkyl, -S-C1-C4 haloalkyl having 1 to 5 halogen atoms, - S (O) -C1-C4 alkyl, -S (O) -C1-C4 haloalkyl having 1 to 5 halogen atoms, -S (O) 2-C1-C4 alkyl, -S (O) 2- C1-C4 haloalkyl having 1 to 5 halogen atoms, (C1-C4 alkoxyimino) -C1-C4 alkyl, ( C2- C6 alkenyloxyimino -C1-C4 alkyl, (C3-C6 alkynyloxyimino) -C1-C4 alkyl, (benzyloxyimino) -C1-C6 alkyl, benzyloxy, -S-benzyl, benzylamino, phenoxy, -S-phenyl and phenylamino, Q represents an optionally mono or polysubstituted heteroaromatic ring of the group consisting of Q-41, Q- 42, Q-43, Q-44, Q-45, Q-46, Q-47, Q-48, Q- 49, Q-50, Q-51, Q-52, Q-53 and Q-57 ** Formula ** with m is 0, 1 or 2, limited by the number of positions available in Q to which a substituent Y is It can be connected, and each Y is independently selected from the
