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Assessment of intestinal parasites in the coexisting Bombus terrestris (Apidae) and Xylocopa augusti (Apidae) in central Chile
Revista Chilena de Historia Natural ( IF 2.2 ) Pub Date : 2020-10-21 , DOI: 10.1186/s40693-020-00096-7
Kiara Fernández , Jennifer Alcaíno , Dionisia Sepúlveda , Rodrigo Medel

Bombus terrestris is a European bumblebee extensively commercialized worldwide for crop pollination. In Chile, this species was introduced in 1997 and after confinement escape, it has spread and established in several localities of central-southern Chile and in the Argentine Patagonia. The South American carpenter bee Xylocopa augusti , in turn, has been recently reported in central Chile, and as B. terrestris , this species has become increasingly common, often found in sympatry with B. terrestris in some localities. While intestinal parasites such as the flagellate trypanosome Crithidia bombi , the microsporidium Nosema bombi , and the neogregarine protozoan Apicystis bombi , show high levels of specialization on the Bombus genus, parasites often increase their host range, especially after invading novel habitats, hence creating new infection disease scenarios. In this work, we used molecular techniques to detect the presence of the intestinal pathogens of B. terrestris in coexisting X. augusti from different localities in the Metropolitan Region of Chile. Our results revealed the presence of the three pathogens in B. terrestris only, with population prevalence broadly similar to that reported in other studies. The carpenter bee X. augusti did not show evidence of any of the three parasites examined, indicating that this invader species is not recipient of any of the parasite species present in B. terrestris .

中文翻译:

评估智利中部共存的土蜂(蜂科)和木蜂科(蜂科)中的肠道寄生虫

Bombus terrestris 是一种欧洲大黄蜂,在全球范围内广泛商业化用于作物授粉。在智利,该物种于 1997 年被引入,在越狱后,它已在智利中南部和阿根廷巴塔哥尼亚的几个地方传播和建立。反过来,最近在智利中部报道了南美木蜂 Xylocopa augusti,作为 B. terrestris,该物种变得越来越普遍,经常在一些地方与 B. terrestris 共存。虽然鞭毛锥虫 Crithidia bombi 、小孢子虫 Nosema bombi 和新群原生动物 Apicystis bombi 等肠道寄生虫对 Bombus 属表现出高度的专一性,但寄生虫通常会增加它们的寄主范围,尤其是在入侵新的栖息地之后,因此创造了新的感染疾病情景。在这项工作中,我们使用分子技术检测了来自智利大都市区不同地区的共存 X.augusti 中 B. terrestris 肠道病原体的存在。我们的结果揭示了这三种病原体仅存在于 B. terrestris 中,其人口流行率与其他研究中报告的大致相似。木蜂 X. augusti 没有显示出所检查的三种寄生虫中的任何一种的证据,表明该入侵物种不是 B. terrestris 中存在的任何寄生虫物种的受体。我们的结果揭示了这三种病原体仅存在于 B. terrestris 中,其人口流行率与其他研究中报告的大致相似。木蜂 X. augusti 没有显示出所检查的三种寄生虫中的任何一种的证据,表明该入侵物种不是 B. terrestris 中存在的任何寄生虫物种的受体。我们的结果揭示了这三种病原体仅存在于 B. terrestris 中,其人群流行率与其他研究中报道的大致相似。木蜂 X. augusti 没有显示出所检查的三种寄生虫中的任何一种的证据,表明该入侵物种不是 B. terrestris 中存在的任何寄生虫物种的受体。
更新日期:2020-10-21
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