Condensed Heterocyclic Compound or its Salt linked with heterocycle, Agricultural and horticultural insecticide comprising the compound and Method for using the insecticide

摘要

Generally speaking, in agricultural, horticultural and similar fields of crop production, the damage caused by insect pests is still very large, and insect pests with resistance to existing insecticides have emerged. In order to solve the problem, the invention is invented, and one object of the invention is to develop and provide new agricultural and horticultural insecticides. The invention provides a mixed compound associated with heterocycle represented by general formula (1): [chemistry 1] {wherein R1 represents ethyl group, R2 represents halotar group, A1 represents N-methyl group,]A2 and A3 represent a nitrogen atom, n represents 1, M represents 2 and Q represents an oxadiazol or a salt thereof; an agricultural and horticultural insecticide, including a compound or a salt thereof as an active ingredient; and a method of insecticide use.