A compound of formula I, or a salt or diastereomers or enantiomers or its N- oxide: [Formula 1] In the formula, X is oxygen or S (= O) n n is 0, 1 or 2 Alkyl which is optionally substituted, haloalkyl, alkenyl, haloalkenyl, alkynyl, haloalkynyl, cycloalkyl, halo cycloalkyl, cycloalkenyl, halo cycloalkenyl, phenyl, hetaryl, phenylalkyl, hetarylalkyl, R 1 is these fused heterocyclyl and phenyl, or hetaryl, in some cases A is -NR b2, -C (= G) GR b, -C (= G) NR b2, -C (= NOR b) R b, C (= G) [N = SR b2], C (= G) NR b -NR b2, C 2 -C 6 - -alkanediyl, C 2 -C 6 - alkyl -GC 1 -C 3 - - C 1 -C 3 or -Alkenediyl alkyl, R b invented here fused heterocyclyl and phenyl or phenyl which is optionally substituted, or are as defined in the detailed description of the, hetaryl, heterocyclyl, they are B is partially saturated or unsaturated hydrocarbon chain substituted and has a carbon chain atoms of one to three, in some cases D is C 3 -C 6 or partially unsaturated hydrocarbon chain or substituted saturated and a carbon chain atoms of 1-5, and in some cases - cycloalkyl There is oxygen or sulfur G Process for the preparation of Compound I Pesticidal compositions comprising compounds I and synergistic effect of the mixture And due to the fact that there is provided a method for controlling insects, nematodes or mites, food or their these pests, by contacting the compound of formula I in an amount effective as an insecticide and breeding grounds or habitat, method And, Treating an animal which comprises orally, to apply or parenteral administration or local to the animal a compound of formula I in an amount effective to parasites, to infection or invasion by parasites, how to control, to protect or prevention. None [Selection Figure]式Iの化合物、またはその鏡像異性体もしくはジアステレオマーもしくは塩もしくはN-オキシド:【化1】式中、Xは酸素またはS(=O)nnは0、1または2R1は場合によって置換されているアルキル、ハロアルキル、アルケニル、ハロアルケニル、アルキニル、ハロアルキニル、シクロアルキル、ハロシクロアルキル、シクロアルケニル、ハロシクロアルケニル、フェニル、ヘタリール、フェニルアルキル、ヘタリールアルキル、これらは場合によってフェニル、ヘタリール、またはヘテロシクリルと縮合しているAは-NRb2、-C(=G)GRb、-C(=G)
