First, the German cockroach has a larger number of eggs per capsule than the other species that infest structures.
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。
Objective:To study the protein composition in haemolymph and ovary of the German cockroach.
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。
The resistance of German cockroach(field strain) to beta-cypermethrin was highest, of which resistance ratio was 4.5.
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。
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.
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.
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。
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