Life history and fitness costs in the lambda‐cyhalothrin resistant clone of English grain aphid, Sitobion avenae (Fabricius),Pest Management Science

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Life history and fitness costs in the lambda‐cyhalothrin resistant clone of English grain aphid, Sitobion avenae (Fabricius)
Pest Management Science ( IF 3.8 ) Pub Date : 2025-05-29 , DOI: 10.1002/ps.8924
Md Munir Mostafiz ₁ , Ali Güncan ₂ , Maximilian Schughart ₁ , Stephen Byrne ₁ , Louise McNamara ₁

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BACKGROUNDThe English grain aphid, Sitobion avenae (Fabricius) (Hemiptera: Aphididae), is a highly detrimental cereal aphid in Western Europe, infesting all cereal crops, including barley, wheat and oats. Pyrethroid pesticides are extensively utilized for the management of S. avenae worldwide. The extended use of pyrethroid pesticides to manage S. avenae has led to the emergence of resistance to lambda‐cyhalothrin. However, a detailed assessment of life‐history traits linked to lambda‐cyhalothrin resistance in S. avenae has not yet been conducted. The objectives of this study were to utilize age‐stage, two‐sex life table theory to examine the life‐history traits of a widespread clonal lineage of S. avenae that exhibits partial resistance to lambda‐cyhalothrin.RESULTSThere was a significant decrease in the relative fitness (0.508) of lambda‐cyhalothrin‐resistant clones (SA3) in comparison to the susceptible clonal lineage (SA27) of S. avenae. The biological parameter data indicated that the SA3 clonal lineage exhibited significantly prolonged developmental stages (excluding N4) and reduced longevity, fecundity, adult pre‐reproductive period, and reproductive days compared to the SA27 clone. By contrast, population growth parameters, including the net reproduction rate (R0), intrinsic rate of increase (r) and finite rate of increase (λ), were markedly lower in the SA3 clone than in the SA27 clone of S. avenae.CONCLUSIONSThese data provide comprehensive insights into the life‐history characteristics and population dynamics of the lambda‐cyhalothrin‐resistant clone of S. avenae, which may be fundamental for development of decision support tools and resistance management measures against this pest. © 2025 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

中文翻译：

英国谷物蚜虫 Sitobion avenae （Fabricius）的 lambda-cyhalothrin 抗性克隆的生活史和适应成本

背景英国谷物蚜虫 Sitobion avenae （Fabricius）（半翅目：蚜虫科）是西欧一种非常有害的谷物蚜虫，侵扰所有谷物作物，包括大麦、小麦和燕麦。拟除虫菊酯类杀虫剂在世界范围内广泛用于 S. avenae 的管理。广泛使用拟除虫菊酯杀虫剂来控制 S. avenae 导致了对 lambda-cyhalothrin 的耐药性的出现。然而，尚未对 S. avenae 中与 lambda-氯氟氰菊酯耐药性相关的生活史特征进行详细评估。本研究的目的是利用年龄阶段、两种性别的生命表理论来检查对 lambda-cyhalothrin 表现出部分耐药性的 S. avenae 广泛克隆谱系的生活史特征。结果与阿维纳链球菌的易感克隆谱系（SA27）相比，λ-氯氟氰菊酯抗性克隆（SA3）的相对适应性（0.508）显著降低。生物学参数数据表明，与 SA27 克隆相比，SA3 克隆谱系表现出显着延长的发育阶段（不包括 N4）和寿命、繁殖力、成虫生殖前期和生育天数减少。相比之下，SA3 无性系的种群生长参数，包括净繁殖率（R0）、内在增长率（r）和有限增长率（λ），明显低于 S. avenae 的 SA27 无性系。结论这些数据为马铃薯 lambda-cyhalothrin-resistant clone 的生活史特征和种群动态提供了全面的见解，这可能是开发针对该害虫的决策支持工具和抗性管理措施的基础。© 2025 作者。由 John Wiley & Sons Ltd 代表化学工业协会出版的《害虫管理科学》。

更新日期：2025-05-29

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