2008年成都市城区冬季蟑螂侵害调查及现场毒饵防治效果观察

Research for cockroaches make inroads on restaurants and control effect of putting finished bait in 2008 winter on Chengdu city

目的了解冬季成都市城区中小餐饮行业蟑螂侵害情况及评估使用灭蟑毒饵灭蟑活动的防治效果、方法使用粘蟑盒法及目视法监测灭蟑前后蟑螂密度。结果用目视法调查了五个城区109家餐饮企业的厨房操作间．发现蟑螂种类均为德国小蠊，总的侵害率为67.9％．密度为21.6只／家。群众灭蟑效果：抽样调查了五个城区85家获得免费蟑螂毒饵．在统一时间自行投药的餐饮企业．总的侵害率为65．9％．密度为11.3只／家。与投放灭蟑毒饵前比较，可以看出企业蟑螂侵害率变化不明显，但蟑螂密度下降了47．7％。专业防治结果显示灭蟑效果温江区杀灭率为83．8％，锦江区为95．0％。结论成都市城区中小餐饮行业冬季蟑螂侵害比较严重，需要开展经常性的控制活动、群众自行投饵的防治效果远低于专业人员的防治效果，说明要提高防治效果必须有专业人员的技术指导．

Objectlve To known how cockroaches make inroads on medium-sized and small-sized restaurants of Chengdu city in winter and to evaluate the effect of putting finished bait on cockroaches control. Methods Use cockroach paper or visual survey cockroaches before and after putting bait. Results By visual, we surveyed 109 restaurants of five districts, found species was Blattella germanica, rate of infraction was 67.9%, density was 21.6 per restaurant. By popular cockroach control, we surveyed 85 restaurants of five districts, rate of infraction was 65.9%, density was 11.3 per restaurant, rate of infraction was no appreciable distinction between before and after putting bait, the density reduced to 47.7%. By professional control, The reduction rate in density was 83.8% in Wenjiang district and 95.0% in Jinjiang district. Conclusion It was serious that cockroaches make inroads on restaurants of Chengdu city in winter, it was necessary that we carry on cockroach control regularly. It was less effect in popular cockroach control than professional done, to raise effect of control must under the professional guides.