| abstract |
Disclosed are compounds of Formula 1, N-oxides, and salts thereof, wherein X is O or S; Y is O or S; Z is a direct bond, O, S(O)n, NR6, C(R7)2O, OC(R7)2, C(═X1), C(═X1)E, EC(═X1), C(═NOR8) or C(═NN(R6)2); a is 0, 1, 2 or 3; and R1, R2, R3, R4, R5a, R5b, R6, R7, R8, X1 and E are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling an invertebrate pest comprising contacting the invertebrate pest or its environment with a biologically effective amount of a compound or a composition of the invention. |