Enaminocarbonyl compounds substituted as insecticides

Compounds of formula (I), ** Formula ** in which A represents one of the pyrimidinyl, pyrazolyl or 1,2,4-triazolyl moieties, which if necessary are substituted with fluorine, chlorine, bromine, cyano, nitro, C1-C4 alkyl (which if necessary is substituted with fluorine and / or chlorine), C1-C3 alkylthio (which is substituted with fluorine and / or chlorine) or C1-C3 alkylsulfonyl (which may be substituted with fluorine and / or chlorine), or A represents a moiety ** Formula ** in which X represents halogen, alkyl or haloalkyl Y represents halogen, alkyl, haloalkyl, haloalkoxy, azido or cyano, B represents oxygen, sulfur or methylene, R1 represents haloalkyl, haloalkenyl, halocycloalkyl or halocycloalkylalkyl, R2 represents hydrogen or halogen and R3 represents hydrogen or alkyl.