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首页> 外文期刊>Parasitology >Crithidio bombi can infect two solitary bee species while host survivorship depends on diet
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Crithidio bombi can infect two solitary bee species while host survivorship depends on diet

机译：核苷酸的轰炸可以感染两只孤独的蜜蜂种类，而宿主生存取决于饮食

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摘要

Pathogens and lack of floral resources interactively impair global pollinator health. However, epidemiological and nutritional studies aimed at understanding bee declines have historically focused on social species, with limited evaluations of solitary bees. Here, we asked whether Crithidia bombi, a trypanosomatid gut pathogen known to infect bumble bees, could infect the solitary bees Osmia lignaria (females) and Megachile rotundata (males), and whether nutritional stress influenced infection patterns and bee survival. We found that C. bombi was able to infect both solitary bee species, with 59% of O. lignaria and 29% of M. rotundata bees experiencing pathogen replication 5-11 days following inoculation. Moreover, access to pollen resulted in O. lignaria living longer, although it did not influence M. rotundata survival. Access to pollen did not affect infection probability or resulting pathogen load in either species. Similarly, inoculating with the pathogen did not drive survival patterns in either species during the 5-11-day laboratory assays. Our results demonstrate that solitary bees can be hosts of a known bumble bee pathogen, and that access to pollen is an important contributing factor for bee survival, thus expanding our understanding of factors contributing to solitary bee health.
机译：病原体和花卉资源的缺乏相互影响着全球传粉者的健康。然而，旨在了解蜜蜂数量下降的流行病学和营养学研究一直集中在社会物种上，对独居蜜蜂的评估有限。在这里，我们询问了已知会感染大黄蜂的锥虫体肠道病原体Critidia bombi是否会感染孤独的蜜蜂Osmia lignaria（雌性）和Megachile rotundata（雄性），以及营养应激是否会影响感染模式和蜜蜂存活。我们发现，棉铃虫能够感染这两种单独的蜜蜂物种，59%的木脂蝇和29%的圆管蜜蜂在接种后5-11天内经历病原体复制。此外，获得花粉可使木麻黄活得更长，尽管它不影响圆枝木麻黄的存活。在这两个物种中，接触花粉不会影响感染概率或由此产生的病原体负荷。同样，在5-11天的实验室检测中，接种病原体并不会影响这两个物种的存活模式。我们的研究结果表明，独居蜜蜂可能是已知大黄蜂病原体的宿主，获得花粉是蜜蜂生存的重要因素，从而扩大了我们对独居蜜蜂健康因素的理解。

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  • 来源
    《Parasitology》 |2021年第4期|共8页
  • 作者

    Laura L. Figueroa;

  • 作者单位

    Department of Entomology Cornell University Ithaca NY 14853 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 寄生虫病;
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