首先，德国小蠊在生殖结构上，它的每个卵荚含有的卵比其它物种要多得多。
First, the German cockroach has a larger number of eggs per capsule than the other species that infest structures.
目的观察2%啶虫脒杀蟑胶饵对德国小蠊的杀灭效果。
Objective To observe the efficacy of 2% acetaniprid gel bait against Blattella germanica.
本实验用扫描电镜观察了德国小蠊尾须的细微结构。
The morphological features of Biattlla germanica cerci were observed under scanning electron microscope.
用电子喷雾装置测定了鱼藤酮和非洲山毛豆提取物气雾剂对致倦库蚊和德国小蠊的击倒活性。
The Bioassay of rotenone and Tephrosia vogelii extracts aerosols to Culex pipiens quinquefasciatus, Blattellagermanica were researched with electron sprayer.
目的：了解敏感品系和抗性品系德国小蠊血淋巴蛋白和卵巢蛋白的组成。
Objective:To study the protein composition in haemolymph and ovary of the German cockroach.
目的观察AB型蟑螂引诱剂对美洲大蠊和德国小蠊的引诱效果。
Objective To observe the effect of AB cockroach attractant on Periplaneta americana and Blattella germanica.
目的测试毒死蜱与奋斗呐复配制剂在实验室内对德国小蠊的毒效作用。
Objective To test virulence of compound of Chlorpyrifos and Fendona against Blattella germanica in laboratory.
目的了解敌敌畏热烟雾剂对德国小蠊的杀灭效果。
Objective To observe the efficacy of DDVP aerosol against Blattella germanica.
目的了解南宁饭店德国小蠊的侵害特点和对常用杀虫剂的抗药性。
Objective To investigate infestation condition and resistance of Bl attella germanica in Nanning restaurants.
目的：观察昆虫生长调节饵剂对德国小蠊的实验室评价效果。
Objective:To study on the toxic effect and palatablity of the Insect Growth Regulation baits against Blattella germanica in the laboratory.
德国小蠊野外品系对高效氯氰菊酯的抗性倍数较高，达4.5倍。
The resistance of German cockroach(field strain) to beta-cypermethrin was highest, of which resistance ratio was 4.5.
目的观察套餐法控制酒店德国小蠊的效果。
Objective To observe the efficacy of Blattella germanica control with gel bait and poison powder.
抗氯菊酯德国小蠊虫株由中等程度抗性转变为低抗性至基本消失需要3年。
It needs about 3 years that the resistance of permethrin-resistant German cockroach subsides from middle degree to low degree, and basically to non-resistance.
方法 提取德国小蠊聚集信息素，用气相色谱检测各组分的相对含量。
Methods The aggregation pheromone was extracted from epidermis and analysed by gas chromatography(GC).
结果通过聚类分析，将河北省德国小蠊的抗药性水平分为4类。
Results According to the theory of cluster analysis processing, the data of resistance levels were clustered to four categories to 4 groups.
目的：了解乌鲁木齐市德国小蠊对常用杀虫剂的抗药性基数和现状，指导科学、合理使用杀虫剂。
Objective:To direct scientific and rational use of insecticides, the cardinal numbers and status of resistance of Blattella germanica to 4 different insecticides were determined in Urumqi.
目的：了解乌鲁木齐市德国小蠊对常用杀虫剂的抗药性基数和现状，指导科学、合理使用杀虫剂。
Objective:To direct scientific and rational use of insecticides, the cardinal numbers and status of resistance of Blattella germanica to 4 different insecticides were determined in Urumqi.
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