Surveillance of cockroaches in the South Zhongzhou area of Beijing from 2021 to 2023

REN Qian; HAO Wei; YAN Shuai; LIU Meide; ZHANG Jianjun; XIN Zhenjiang; LI Ruoxi

doi:10.19821/j.1671-2781.2025.03.010

Abstract：Objective To understand the species composition,density index,seasonal fluctuation,adult nymph cockroach infestation rate,egg-sheath infestation rate and cockroach traces detection rate of cockroaches in the South Zhongzhou area of Beijing in recent years,in order to provide the basis for the prevention and control of cockroaches in a scientific way.Methods According to Surveillance methods for vector density-Cockroach(GB/T 23795-2009)cockroach sensity monitoring methods,sticky trap method and visual inspection method were used to carry out cockroach monitoring.The cockroach monitoring data in the South Zhongzhou area of Beijing were collected from 2021 to 2023,and were analyzed using Excel 2010 and SPSS 16.0 software.Results The results of the visual inspection method showed that the average infestation rates from 2021 to 2023 were 0.52％,0.45％,and 1.29％,respectively.Restaurants had the highest infestation rate,followed by shopping malls and supermarkets,farm product markets,and construction sites.The results of the sticky trap method showed that a total of 213 cockroaches,mainly Blattella germanica,were captured in the South Zhongzhou area of Beijing from 2021 to 2023,accounting for 99.53％of the total number of cockroaches captured,with an average density of 0.07 cockroaches per sheet per night,and an average infestation rate of 15.74％.Conclusion B.germanica is the dominant species in the South Zhongzhou area of Beijing.Restaurants,shopping malls and supermarkets are the key places for cockroach prevention and control.Based on the density and infestation rate of cockroaches in different habitats,preventive and control measures should be taken to reduce cockroach densities prior to the peak so as to achieve the purpose of cockroaches prevention and control.