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Both heat stress and prey species affect Amblyseius orientalis performance

文献类型： 外文期刊

作者： Zhou, Xinyuan 1 ; Yan, Hong 1 ; Hao, Xuemin 1 ; Zhao, Peipei 1 ; Sheng, Fujing 2 ; Xu, Xuenong 1 ; Wang, Endong 1 ; Zhang, Bo 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China

2.Shandongzhongke Beneficial Insect Resources Utiliz, Dongying 257300, Peoples R China

3.Minist Agr & Rural Affairs, Key Lab Nat Enemies Insects, Beijing 100193, Peoples R China

关键词： high temperature; prey preference; predatory mites; two spotted spider mite; Bemisia tabaci

期刊名称：SYSTEMATIC AND APPLIED ACAROLOGY （ 影响因子：1.2； 五年影响因子：1.1 ）

ISSN： 1362-1971

年卷期： 2025 年 30 卷 1 期

页码：

收录情况： SCI

摘要： Whitefly Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae) is widely distributed throughout China and poses a significant economic threat to various crops. Coincidently, it often occurs with other small sucking pests like spider mites Tetranychus urticae Koch (Trombidiformes: Tetranychidae). To effectively control small pests, Amblyseius orientalis Ehara (Mesostigmata:Phytoseiidae) is explored as an excellent biocontrol agent for pests management in the field. Multiple prey species can enhance A. orientalis reproduction and thus improve the pest control. Whereas, its effectiveness in controlling both pests under different stress remains uncertain. In this study, we investigated the impacts of two temperatures of 25 degrees C and 33 degrees C on the performances of A. orientalis on the control of T. urticae and B. tabaci. The results revealed that A. orientalis had the longest development period (7.63 days) when fed at 25 degrees C, while the shortest development period (4.55 days) at 33 degrees C. High temperatures and whiteflies prey significantly reduced A. orientalis reproduction. Moreover, thermal stress resulted in decreased longevity of A. orientalis, and individuals fed on T. urticae lived longer compared to those fed on B. tabaci. Hence, this study assessed the pest control efficacy of A. orientalis under two conditions, offering valuable insights for the field application of biological control using A. orientalis.

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