关键词: 旅客列车, 灭蟑药物, 侵害

Abstract: The aim of the trials was to probe infestation degrees of Blattella germanica in passenger train and the effectiveness of prevention and control with chemical method and to screening insectisides of high effectiveness and lower price. Method: To investigate the degree of Blattella germanica infestation using chemical insectisides to irritate Blattella germanica and to kill Blattella germanica by 4 different insectisides, then, to analysis its cost and mileage. Result: 12 trains involved in the investigation, 7 were infested with Blattella germanica, the infestation rate was 58.3%. With 4 types of insectisides suchas aerosols, spray, poison bait and smokes, the killing rate of Blattella germanica was 93%. Conclution: Infestation of Blattella germanica in trains was very serious. The effectiveness was very good with 4 type insectisides. The toxicant bait needed was very little of manpower and economic.