Integration of Orius nagaii (Yasunaga) (Hemiptera: Anthocoridae) and eco-friendly insecticide to improve Dendrothrips minowai (Priesner) (Thysanoptera: Thripidae) control

文献类型： 外文期刊

第一作者： Wang, Lan

作者： Wang, Lan;Zhi, Jun-Rui;Zhang, Chang-Rong;Zang, Lian-Sheng;Song, Bao-An;Zhang, Chang-Rong;Qiao, Fei;Ban, Fei-Xue;Liu, Shao-Lan;Mao, Ting-Ting;Zhang, Xing-Yuan;Wang, Su

作者机构：

关键词： pest management; insecticide; toxicity; sublethal effect; safety

期刊名称：JOURNAL OF ECONOMIC ENTOMOLOGY （ 影响因子：2.4； 五年影响因子：2.4 ）

ISSN： 0022-0493

年卷期： 2025 年 118 卷 4 期

页码：

收录情况： SCI

摘要： Combined use of eco-friendly insecticides with natural enemies is increasingly being used in pest management. In this study, the combination of eco-friendly insecticides and Orius nagaii (Yasunaga) (Hemiptera: Anthocoridae), an important predator of the thrips, in controlling Dendrothrips minowai (Priesner) (Thysanoptera: Thripidae), a major tea pest, was evaluated in both laboratories and tea plantations. Five commercial insecticides were first screened the toxicity to D. minowai, and their safety to O. nagaii. The results showed mineral oil and Metarhizium anisopliae CQMa421 were toxic against D. minowai, while diafenthiuron, mineral oil and M. anisopliae CQMa421 were relatively safe for O. nagaii. Sublethal bioassay on eggs, nymphs, and adults of O. nagaii showed that mineral oil exposure minimized hatching rate among the 5 insecticides. The adverse effects of diafenthiuron and M. anisopliae CQMa421 on the development and reproduction of O. nagaii were inferior to those of spinetoram and indoxacarb. Both spinetoram and indoxacarb displayed significant acute and sublethal effects on O. nagaii. Field trials unveiled that the combined use of O. nagaii and diafenthiuron was an effective and lasting pest control strategy against D. minowai. The results contribute to an improved D. minowai management coordinated eco-friendly insecticide with natural enemy insects.

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