| abstract |
The use of a compound of formula I wherein Y is a single bond, C═O, C═S or S(O) m , where m is 0, 1 or 2; the ring is a 6-membered aromatic or is a 5 or 6 membered heteroaromatic ring; Z and Z′ are joined by a single or a double bond and are ═C— or —N— provided that both are not N; Ra, R 1 , R 2 , R 3 , R 3a , R 4 and R8 are specified organic groups; n is 2, 3 or 4 and p is 0-4; or salts or N-oxides thereof or compositions containing them in controlling insects, acarines, nematodes or molluscs. Novel compounds are also provided. |