イネクロカメムシ防除法の研究 : II.イネクロカメムシのBHCに対する抵抗性について

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The LC-curve and the factors concerning the resistance of the black rice bug to BHC were obtained during its developmental stages and seasons under the room temperature and constant temperatures of 25°〜27℃. The egg was found most resistant to BHC surviving in the treatment of 0.32 percent BHC emulsion, the LC-50 being 1.055 percent and LC-95 2.157 percent. The resistance of the larva was the least in its first instar, the LC-50 being 0.014 percent, but it consistently increased with the grouth of larva. The LC-50 of the third instar larva was 0.041 percent having 3.9 to 7.4 times greater resistance than the overwintered adult. The resistance of the hibernating adult in February was the strongest, the LC-50 of which is 0.089 percent, but it become more susceptible as the days passed and was weakest in July when LC-50 was almost the same as that of the second instar larva, being 0.019 percent.
日本応用動物昆虫学会の論文
1957-03-30