Key role of juvenile hormone in controlling reproductive diapause in females of the Asian lady beetle Harmonia axyridis,Pest Management Science

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Key role of juvenile hormone in controlling reproductive diapause in females of the Asian lady beetle Harmonia axyridis
Pest Management Science ( IF 3.8 ) Pub Date : 2021-09-01 , DOI: 10.1002/ps.6619
Qiao Gao ₁ , Bei Li ₁ , Zhong Tian ₁ , Arnold De Loof ₂ , Jia-Lu Wang ₁ , Xiao-Ping Wang ₁ , Wen Liu ₁

Affiliation

The Asian lady beetle Harmonia axyridis is an important predator of several agricultural pests, including aphids and whiteflies, and thus can contribute to pest management. Commercial viability as a pest control method requires that the beetle can be mass-reared, and that workable conditions for extended shelf-life can be guaranteed. One of the features of Harmonia's life cycle is that it enters diapause in the adult stage when the length of the photophase starts shortening in late summer. Reduction of juvenile hormone (JH) titer has been demonstrated to be the common endocrine mechanism inducing reproductive diapause in insects. However, whether H. axyridis enters diapause dependent on JH shutdown and how the JH level is regulated before diapause remains unknown.

中文翻译：

保幼激素在控制亚洲瓢虫Harmonia axyridis雌性生殖滞育中的关键作用

亚洲瓢虫Harmonia axyridis是多种农业害虫（包括蚜虫和粉虱）的重要捕食者，因此可以促进害虫管理。作为一种害虫控制方法的商业可行性要求甲虫可以大规模饲养，并且可以保证延长保质期的可行条件。Harmonia生命周期的特征之一是在夏末光相长度开始缩短时，它在成年阶段进入滞育。已证明保幼激素 (JH) 滴度的降低是诱导昆虫生殖滞育的常见内分泌机制。然而，无论是绣线菊 进入滞育取决于 JH 关闭以及滞育前 JH 水平如何调节仍然未知。

更新日期：2021-09-01

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