The Braconid Syntretomorpha szaboi Papp Is Posing a Great Threat to the Eastern Honeybee, Apis cerana

文献类型： 外文期刊

第一作者： Xie, Yanling

作者： Xie, Yanling;Wei, Ruike;Zheng, Huoqing;Su, Xiaoling;Cao, Lianfei

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关键词： Syntretomorpha szaboi Papp; Apis cerana; parasitism; braconid; threat

期刊名称：PATHOGENS （ 影响因子：3.7； 五年影响因子：3.7 ）

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年卷期： 2024 年 13 卷 5 期

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收录情况： SCI

摘要： The expansion of pathogen distribution may result in a new threat to the host. The braconid Syntretomorpha szaboi Papp is an obligate parasite that targets Apis cerana, the Eastern honeybee, engaging in endoparasitism by ovipositing eggs inside the host bee. Although S. szaboi has been documented in India and in various regions across China, its epidemiological data are notably lacking. In this study, we summarized the distribution of S. szaboi based on the available literature and described the symptoms of infested honeybee workers. We also investigated the infestation rate in 36 apiaries in Zhejiang Province, China, after a new occurrence of the parasite was reported in these regions in 2020. A rapid increase in infestation rate was found from the year 2021 to 2022, reaching 53.88% at the colony level of the sampled colonies in the Jinhua and Wenzhou apiaries. The infestation rate at an individual level in positive colonies reached an average of 26%. A monthly survey showed high seasonal variation in S. szaboi infestation, with the peak occurring from May to August. These results suggest that S. szaboi poses a great threat to A. cerana. Further research is needed to elucidate its epidemiology and pathology and to develop disease prevention and control strategies.

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