| 1. | The resistance strain showed low cross - resistance to methoxyfenozide , but it showed no cross - resistance to cyhalothrin , deltamethrin , beta - cypermethrin , phoxim , chlorpyrifos , methomyl , emamectin , fipronil and chlorfluazuron , with resistance ratios ranged from 0 . 83 - to 1 . 63 - fold 该种群对甲氧虫酰肼有一定交互抗性,对有机磷、氨基甲酸酯、拟除虫菊酯类等多种杀虫剂都不存在交互抗性,抗性比值在0 . 83 ~ 1 . 63倍之间。 |