Imidacloprid reduces the mating success of males in bumblebees

文献类型： 外文期刊

第一作者： Chen, Xing

作者： Chen, Xing;Wang, Yuhao;Zhou, Yao;Wang, Feiran;Luo, Shudong;Chen, Xing;Wang, Yuhao;Zhou, Yao;Luo, Shudong;Wang, Feiran;Wang, Jian;Yao, Xudong;Luo, Shudong;Imran, Muhammad

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关键词： Bombus terrestris; Imidacloprid; Mating rate; Mating latency; Mating duration

期刊名称：SCIENCE OF THE TOTAL ENVIRONMENT （ 影响因子：9.8； 五年影响因子：9.6 ）

ISSN： 0048-9697

年卷期： 2024 年 928 卷

页码：

收录情况： SCI

摘要： Bumblebees play a vital role in both natural and agricultural environments, but there has been a noticeable decline in their populations. Pesticides, particularly neonicotinoids, are widely regarded as a substantial contributing factor to the decline in bumblebee populations, as evidenced by the detrimental impacts documented across many stages of their life cycle. Mating is vital for the population maintenance of bumblebees. Nevertheless, there is a scarcity of research conducted on the effects of pesticides on the mating process. In this study, we individually examined the impact of imidacloprid on the mating behavior of bumblebee males and queens. A competitive mating experiment was conducted to evaluate the effect on the competitive prowess of male individuals and the mate selection behavior of female individuals. The study revealed that the mating rate of bumblebees exposed to a concentration of 10 ppb of imidacloprid was 3 %. This finding demonstrated a statistically significant impact when compared to the control group, which exhibited a mating rate of 58 % in the normal mating experiment. Furthermore, in the competitive mating experiment, we found that the competitive mating success rate of treated males (1 %) was significantly lower than that of untreated males (35 %). Hence, it provides evidence that neonicotinoid imidacloprid negatively affects bumblebee mating success and cautions us to protect bumblebees from pesticide exposure to prevent a severe impact on their populations.

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