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目的了解长春市蟑螂密度、季节消长和侵害程度,为蟑螂防治提供依据。方法用粘捕法调查。结果在各类环境中共捕获蟑螂3 451只,均为德国小蠊,平均侵害率为13.76%,平均密度为0.53只/张。居民区侵害率(21.11%)、农贸市场(17.69%)、餐饮单位(14.21%)、宾馆(12.31%)、医院(2.87%);居民区蟑螂密度(0.79只/张)、农贸市场(0.66只/张)、餐饮单位(0.54只/张)、宾馆(0.48只/张)、医院(0.18只/张);蟑螂密度受室内温度影响较大。结论德国小蠊为优势种,活动高峰在夏秋季,居民区、农贸市场、餐饮单位密度较高,应加强监测和防治。
Objective To understand the density, seasonal fluctuation and invasion of cockroaches in Changchun City and provide the basis for the prevention and treatment of cockroaches. Method using sticky catch investigation. Results A total of 3 451 cockroaches were caught in various environments, all of which were Blattella germanica. The average invasion rate was 13.76% and the average density was 0.53. (21.11%), farmer’s market (17.69%), catering unit (14.21%), hotel (12.31%) and hospital (2.87%); residential area roach density Only / Zhang), catering units (0.54 / Zhang), hotels (0.48 / Zhang), hospitals (0.18 / Zhang); cockroach density is more affected by the indoor temperature. Conclusion Blattella germanica is the dominant species with peak activities in summer and autumn. The density of residential areas, farmers’ markets and catering units is relatively high. Monitoring and control should be strengthened.