Abstract The grain aphid Sitobion avenae is a prolific pest of cereal crops worldwide, controlled effectively with pyrethroid insecticides. However, the classic knock down resistance (kdr) mutation, L1014F on the S. avenae sodium channel gene, has been identified as the cause of the recently observed heterozygous (kdr-SR) resistance in the SA3 grain aphid super-clone. Results indicate that the kdr-SR SA3 clone can survive pyrethroid exposure above twice the normal field rate, continuing to reproduce thereafter. Additionally, the SA3 clone was found to be capable of producing sexual oviparous morphs, able to lay eggs following pyrethroid exposure. This demonstrates that possession of the L1014F mutation does not preclude the capacity to produce sexual morphs. This makes the adoption of an effective resistance management strategy imperative, within a wider integrated pest management (IPM) approach to control grain aphid.

中文翻译：

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在以当前场速暴露于拟除虫菊酯后，在拟除虫菊酯抗性 Sitobion avenae (F.)（半翅目：蚜科）SA3 超级克隆中保留性能力和存活的第一个证据

摘要 谷蚜Sitobion avenae是世界范围内谷类作物的多产害虫，拟除虫菊酯类杀虫剂可有效防治。然而，经典的敲低抗性 (kdr) 突变，即 S. avenae 钠通道基因上的 L1014F，已被确定为最近观察到的 SA3 粮食蚜虫超级克隆杂合 (kdr-SR) 抗性的原因。结果表明，kdr-SR SA3 克隆可以在两倍于正常田间频率以上的拟除虫菊酯暴露下存活，此后继续繁殖。此外，发现 SA3 克隆能够产生有性卵生变体，能够在拟除虫菊酯暴露后产卵。这表明拥有 L1014F 突变并不排除产生性变体的能力。这使得采用有效的抗性管理策略势在必行，