Sublethal and transgenerational effects of tetraniliprole on the tomato pinworm Phthorimaea (=Tuta) absoluta (Lepidoptera: Gelechiidae)

文献类型： 外文期刊

第一作者： Yao, Jiaqi

作者： Yao, Jiaqi;Wang, Yuguang;Yao, Jiaqi;Wang, Yuguang;Yao, Jiaqi;Qu, Cheng;Li, Yunyi;Luo, Chen;Wang, Ran;Guedes, Raul Narciso C.

作者机构：

关键词： Phthorimaea absoluta; Tetraniloprole; Transgenerational sublethal effects; Vitellogenin; Vitellogenin receptor; Antioxidant enzymes

期刊名称：CROP PROTECTION （ 影响因子：2.5； 五年影响因子：3.0 ）

ISSN： 0261-2194

年卷期： 2025 年 187 卷

页码：

收录情况： SCI

摘要： Invasive pest species of economic importance often require intensive pesticide use, leading to recurrent problems of pesticide resistance. Such is the case with the tomato pinworm, Phthorimaea (=Tuta) absoluta (Meyrick) (Lepidoptera: Gelechiidae), requiring the use of new insecticidal compounds for their management. Tetraniliprole, a novel insecticide effective against lepidopteran, coleopteran, and dipteran pests, is a potential alternative against the tomato pinworm. This study investigates the sublethal effects of tetraniliprole on the development and reproduction of the parental (F-0) and progeny (F-1) generations of P. absoluta while exploring the underlying mechanisms. Sublethal tetraniliprole exposure extended larval duration and reduced pupation rate, emergence rate, hatchability, and fecundity in both the F-0 and F-1 of P. absoluta. Additionally, the life-table parameters of the F-1 generation were significantly altered, with decreases in net reproductive rate (R-0) and increases in the mean generation time (T), leading to decreases in the intrinsic rate of population growth (r). The relative fitness of F-1 insects exposed to tetraniloprole was reduced compared to unexposed insects (0.63 and 0.49, respectively). Furthermore, the mRNA expression levels of reproduction-related genes such as TaVg and TaVgR were down- regulated in the tetraniliprole-exposed insects. Finally, insect exposure to tetraniloprole increases the activity of the antioxidant enzymes such as glutathione S-transferase (GSTs), catalase (CAT), and superoxide dismutase (SOD). Taken together, these findings suggest that sublethal concentrations of tetraniloprole adversely affect both the development and reproduction of P. absoluta, providing a foundation for optimizing pest control strategies.

分类号：

  • 相关文献
作者其他论文 更多>>

微信小程序