联合用药现场灭蟑效果研究

Effect of combined usage of insecticides against cockroaches

目的联合使用不同药物对饭店德国小蠊进行防治研究。方法采用超低容量喷雾剂和热烟雾剂等杀虫技术相结合，辅以毒饵的方法进行化学防治，并在灭前、灭后10、30、45、60、75、90d用蟑螂屋测定蟑螂密度。结果经联合用药处理后德国小蠊能迅速得到控制，密度下降率达94．2％～99．3％。结论联合用药加上与环境治理相结合的方法，能在短时间内提高饭店德国小蠊的杀灭率，并在较长时间内有效的控制蟑螂密度，灭蟑效果显著稳定：

Objective To observe the effect of combined usage of insecticides against cockroaches in hotel. Methods The cockroaches＇ density was surveyed on the 10, 30, 45, 60, 75 and 90 days of combined usage of ultralow volume spray, thermal fog formulations and bait. Results The cockroaches＇ density decreasing rate was 94. 2% -99.3 % . Conclusion Combined usage of insecticides and environment control can improve insecticidal killing rate in hotel in short time. The insecticidal effect of combined usage is remarkable and the cockroaches＇ density can be controlled for a long time.