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在进行蟑螂侵害度调查或进行灭效考核对,都要对蟑螂的密度进行调查,以作出对侵害度的判断,或对灭效作出正确的评价。目前调查蟑螂密度的方法有多种,我们应根据不同的环境与条件选用不同方法。现对几种调查蟑螂密度方法作一简介,供参考。
Conducting a survey of cockroach infringement or a check on the effectiveness of a cockroach should all be conducted on the density of the cockroaches in order to make a judgment on the degree of infringement or to make a correct assessment of the kill. Currently there are a variety of ways to investigate the density of cockroaches, we should choose different methods according to different environments and conditions. Now several methods for investigating the density of cockroaches for an introduction for reference.