condensed heterocyclic compound, use of condensed heterocyclic compound or a salt thereof, method for using an agricultural and horticultural insecticide, method for controlling agricultural and horticultural insect pests, ectoparasite control agent, and insecticide
condensed heterocyclic compound, use of condensed heterocyclic compound or a salt thereof, method for using an agricultural and horticultural insecticide, method for controlling agricultural and horticultural insect pests, ectoparasite control agent, method to control ectoparasites and insecticide. It is an object of the present invention to provide and develop new agricultural and horticultural incentives in view of the still immense damage caused by insect pests etc. and the emergence of insecticide-resistant insect pests that exist in crop yields in the fields of agriculture, horticulture and the like. A condensed heterocyclic compound represented by the general formula (i) is provided: wherein a1, a2 and a3 may be the same or different, and each represents a nitrogen atom or a group ch, r1 represents an alkyl group or similar, r 2 represents an alkyl halo group or the like, r 3 represents a hydrogen atom or the like, r 4 represents an alkyl halo group or the like, r 5 represents an alkyl or similar group, represents 0 or 2} or a salt thereof; an agricultural and horticultural insecticide comprising the compound or a salt thereof as an active ingredient; It is a method to use insecticide. 1/1resumo composto heterocöclico condensado, uso do composto heterocöclico condensado ou um sal do mesmo, m�todo para usar um inseticida agröcola e de horticultura, m�todo para controlar pestes de insetos agröcolas e de horticultura, agente de controle de ectoparasita, m�todo para controlar ectoparasitas e inseticida. um objetivo da presente inven‡æo ‚ prover e desenvolver novos incenticidas agr¡colas e de hortifuticulturas em vista dos danos ainda imensos causados por pestes de insetos etc. e a emergˆncia de pestes de insetos resistente a inseticidas existentes em profu‡æo de safras nos campos de agricultura, horticultura e similares. sæo providos um composto heteroc¡clico condensado representado pela f¢rmula geral (i): em que a1, a2 e a3 podem ser iguais ou diferentes, e cada