用溴氰菊酯、氯菊酯及氯氰菊酯浸泡粉笔杀灭臭虫,结果表明3种药笔均有高效,尤以氯氰菊酯为佳。以0.9～1.8mg/g的药笔涂布纸面,臭虫接触1min,24h内死亡率达100％,以18mg/g含量药笔进行模拟试验,臭虫爬过0.6cm药面,死亡率达97.5％,爬过1.2、1.8cm药面,死亡率均为100％,凡接触药面的臭虫于6d内全部死亡,药笔持效达140d。 With deltamethrin, permethrin and cypermethrin soaked in chalk to kill bugs, the results show that the three kinds of drugs are highly efficient pen, especially cypermethrin is better. The paper was coated with 0.9-1.8 mg / g pen, the bugs contacted for 1 min, the mortality rate reached 100% within 24 h, and the drug was tested by 18 mg / g pen. The bugs crawled over the surface of 0.6 cm and the mortality reached 97.5 %, Climb 1.2,1.8cm drug surface, the mortality rate was 100%, where contact with the drug bugs all died within 6d, drug pen up to 140d.