An insecticide for agriculture and horticulture containing the condensation heterocyclic compound which has a cycloalkyl pyridyl group or its salts, and the compound, and its directions for use

摘要

It is an object of the present invention to provide and develop a new agricultural and horticultural insecticide in view of the immense damage caused by insects and pests, etc. and the emergence of insect-resistant insect pests in agricultural production in the areas of agriculture, horticulture and the like. there is provided a fused heterocyclic compound represented by the general formula (1): (wherein r1 represents an ethyl group, r2 represents a cycloalkyl group, r3 represents a haloalkyl group, a, a2 and a3 each represents a nitrogen atom or a group ch, a1 represents n me, m represents 0 or 2, n represents 1} or a salt thereof, an agricultural and horticultural insecticide comprising the compound or salt thereof as an active ingredient; and a method for insecticide use.