An insecticidal compound of formula I wherein X is O or NR11 where R11 is hydrogen, optionally substituted alkyl, optionally substituted aryl or optionally substituted heteroaryl Y is a single bond, C═O, C═S or S(O)m where m is 0, 1 or 2 R1, R2, R3, R4, R8 and Ra are specified organic groups and p is 0, 1, 2, 3, 4, 5 or 6 q is 0, 1, 2, 3, 4, 5 or 6 provided that p+q is 1, 2, 3, 4, 5 or 6 or salts or N-oxides thereof compositions containing them and their using in controlling insects, acarines, nematodes or molluscs.
