关键词: 旅客列车, 德国小蠊, 侵害, 控制

Abstract: Objective To control the invasion of Blattella germanica on passenger trains. Methods Several measures were corporately used in this study, including spray, poisonous powder and gel bait. Results Compared to June, the cockroach density decreased 64.79% in July and 90.35% in August. The invasion rate was under 2.0% since August. In addition, in July, the invasion of cockroach decreased 69.76% in the serious invasion carriages, 66.86% in the moderate invasion carriages and 53.85% in the slight invasion carriages, respectively. In August, it decreased 98.79% in the serious invasion carriages, 86.98% in the moderate invasion carriages and 73.63% in the slight invasion carriages, respectively. The serious invasion carriage had never founded in September, and it decreased 95.86% in the moderate invasion carriages and 78.02% in the slight invasion carriages. Conclusion At present, chemical control is still a key measure to control cockroach, and several chemicals combination measure can effectively control the invasion of the cockroach, synchronously strengthening the environment repairs and service quality management.