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Results The resistance ratios of the natural populations of Cx. pipiens quinquefasciatus to BPMC and acetophenate were at a low level close to those of susceptible lines; 结果 致倦库蚊自然种群对仲丁威、三氯杀虫酯抗性倍数较低，接近于敏感品系； www.bmsw.net.cn