English: Effects of population density, age of parents, and environmental air humidity during the egg stage upon the body weight of first instar nymphs of Periplaneta americana as well as upon their sensitivity of fenitrothion
Japanese: ワモンゴキブリの親世代の飼育密度, 産卵時の親の老若, および卵期の環境湿度が, ふ化幼虫の体重と殺虫剤感受性に及ぼす影響