An insecticide for agriculture and horticulture containing the condensation heterocyclic compound which heterocycle combined or its salts, and the compound, and its directions for use

摘要

in agricultural production in the fields of agriculture, horticulture and the like, the damage caused by insect pests etc. it is still immense, and insect pests resistant to existing insecticides have emerged. to solve the problems, the present invention was made, and an objective of the present invention is to develop and provide a new agricultural and horticultural insecticide. the present invention provides a condensed heterocyclic compound linked to a heterocycle represented by the general formula (1): [comp. chem. 1] {where r1 represents an ethyl group, r2 represents a haloalkyl group, a1 represents an n-methyl group, a2 and a3 represents a nitrogen atom, n represents 1, m represents 2 eq represents an oxadiazole} or a salt thereof ; an agricultural and horticultural insecticide comprising the compound or a salt thereof as an active ingredient; and a method for using the insecticide.