2017年北京市居民家庭蟑螂侵害监测

Analysis of cockroach infestation rate surveillance in residential family in Beijing in 2017

目的为全面了解北京市居民家庭蟑螂侵害状况及变化趋势,为全市居民家庭病媒生物控制活动提供科学依据。方法采用国标(GB/T 23795—2009)中3.1粘捕法,分别选择北京市城市核心区、城市功能扩展区、城市涵养区的居民家庭内蟑螂密度及侵害状况进行监测。结果 2017年,全市共监测9 950户居民家庭,布放粘蟑纸39 800张,其中,阳性粘蟑纸2 715张,阳性率6.82%,密度为0.165只/张。共捕获蟑螂6 550只,全部为德国小蠊。有蟑居民家庭1 421户,侵害率为14.28%。9月份的密度全年最高,为0.293只/张·夜,侵害率为19.57%。结论居民家庭中蟑螂的侵害情况较为严重,密度变化规律不显著,发展较为平缓,密度及侵害率均缓慢增加。

Objective In order to overall understand status and trend of cockroach infestation, provide the scientific basis for citywide activity of vector control. Methods Selected residential family in core area、function extended area and urban conservation area to monitor density and infestation rate. Adopt National Standard 'Surveillance method for vector density-Cockroach'(GB/T23795—2009)3.1 trapping method. Results Monitoring was carried out among a total of 9 950 residential families. Among 39 800 trap boards placed, 2 715 trap boards is positive, positive rate is 6.82%. The density is 0.165 pieces per sheet. All 6 550 cockroaches trapped are Blattella germanica. 1 421 residential families are cockroach-infested. Infestation rate is 14.28%. The density of cockroach is 0.293 pieces per sheet in September. It is the peak of infestation in 2017. Infestation rate is 19.57%. Conclusion Cockroach infestation situation is serious. The density changing is irregular. The density and infestation rate are slow increasing.