An arylalkyloxypyrimidine derivative represented by the formula (I) wherein R1 is an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, a haloalkyl group, a haloalkenyl group, a haloalkynyl group, an alkoxyalkyl group, a dioxolane group and the like R2 and R3 are each a hydrogen atom, an alkyl group and the like X is an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, a haloalkyl group, a haloalkenyl group, a haloalkynyl group, a trialkylsilyl group and the like Y is CH or a nitrogen atom q is an integer of 1 to 3 m is an integer of 0 to 5 and n is 0 or 1 or a salt thereof, and an agrohorticultural insecticide containing the compound as an active ingredient and a method of use thereof.式(I)表示的芳烷氧基嘧啶衍生物或其鹽,其中R1是烷基,環烷基,烯基,炔基,鹵烷基,鹵烯基,鹵炔基,烷氧基烷基,二氧戊烷基等;R2以及R3各表示氫原子,烷基等;X是烷基,環烷基,烯基,炔基,鹵烷基,鹵烯基,鹵炔基,三烷基矽基等;Y是CH或氮原子;q是1至3的整數;m是0至5的整數;n是0或1,以及含有該化合物為活性成分的農園藝殺蟲劑及其使用方法。
