Measurement of Fitness and Predatory Ability of Four Predatory Mite Species in Tibetan Plateau under Laboratory Conditions
文献类型： 外文期刊
作者： Xiang, Dong 1 ; Wang, Zhen 1 ; Xu, Long 2 ; Wang, Yunchao 3 ; Zhang, Huanhuan 1 ; Yang, Kun 4 ;
作者机构： 1.Tibet Acad Agr & Anim Husb Sci, Inst Vegetable, Lhasa 850032, Peoples R China
2.Qingdao Agr Adm Law Enforcement Detachment, Qingdao 266000, Peoples R China
3.Zunyi Normal Univ, Coll Biol & Agr, Zunyi 563006, Peoples R China
4.Qingdao Agr Univ, Coll Plant Hlth & Med, Shandong Engn Res Ctr Environm Friendly Agr Pest M, Qingdao 266109, Peoples R China
关键词： fitness; predatory mites; biological control; spider mite; Tibetan Plateau
期刊名称：INSECTS （ 影响因子：3.0； 五年影响因子：3.1 ）
ISSN：
年卷期： 2024 年 15 卷 2 期
页码：
收录情况： SCI
摘要： Simple Summary Two-spotted spider mites (Tetranychus urticae Koch, TSSMs) greatly harm vegetables and other crops in Tibet, but predatory mites are potential effective biological agents against them. Herein, we measure the fitness and predatory abilities of four predatory mite species in the Tibetan Plateau and confirm that the predatory mite Amblyseius swirskii (Athias-Henriot) (Acari: Phytoseiidae) had the highest fecundity, the highest pre-adult survival rate, and the highest predation capacity toward adult TSSMs at 15 d post-release. The results imply that A. swirskii is more effective for the control of TSSMs in laboratory conditions and can be viewed as an effective biological control agent candidate against TSSMs in Tibet.Abstract Predatory mites are biological control agents used in many countries against various vegetable pests, particularly spider mites. Despite the significant presence of predatory mites in the Tibetan plateau, there is limited research on their potential against spider mites in the area. This study investigated the fitness parameters and performance against TSSM of four predatory, including Amblyseius swirskii (Athias-Henriot) and three species from the genus Neoseiulus (Neoseiulus californicus (McGregor), Neoseiulus barkeri (Hughes), and Neoseiulus cucumeris (Oudemans)), originally collected from fields in the Tibetan Plateau. Compared to the other three predatory species, A. swirskii exhibited the highest fecundity (11.60 +/- 0.34) and the highest pre-adult survival rate (83.33 +/- 3.33%). Since their juvenile survival rate (SR) was extremely low (13.33% +/- 5.77%), most N. barkeri nymphs died before emergence. Compared to the other three predatory mites, A. swirskii showed the highest predation capacity against adult TSSMs at 15 d post-release (14.28 +/- 2.24). Based on the results, A. swirskii was the most effective, and N. barkeri was the least effective in controlling two-spotted mites in the Tibetan Plateau among the four species tested in this study. Collectively, these findings imply notable advantages in employing A. swirskii for controlling two-spotted mites in the Tibetan Plateau. This study informs the development of a feasible biological control method based on suitable predatory mite species to manage TSSMs in the Tibetan Plateau.
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