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首页> 外文期刊>Parasitology >Off-host longevity of the winged dispersal stage of Carnus hemapterus (Insecta: Diptera) modulated by gender, body size and food provisioning
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Off-host longevity of the winged dispersal stage of Carnus hemapterus (Insecta: Diptera) modulated by gender, body size and food provisioning

机译：由性别，体型和食品供应调制的肉类血液（昆虫：Diptera）的翅膀分散阶段的偏离宿主寿命

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摘要

Highlighting the dispersal ecology of parasites is important for understanding epidemiological, demographic and coevolutionary aspects of host–parasite interactions. Yet, critical aspects of the dispersal stage of parasites, such as longevity and the factors influencing it, are poorly known. Here we study the lifespan of the dispersal stage of an ectoparasitic dipteran, Carnus hemapterus, and the impact of gender, body size and food provisioning on longevity. We found that freshly emerged imagoes survive at most less than 4 days. Longevity increased with body size and, since this parasite exhibits sexual size dimorphism, the bigger females lived longer than males. However, controlling for body size suggests that males lived relatively longer than females. Furthermore, a humid environment and food provisioning (flowers) significantly increased individual life spans. We discuss the relative importance of spatial and temporal dispersal in relation to the infectious potential of this parasite.
机译：突出寄生虫的分散生态对于了解宿主寄生虫相互作用的流行病学，人口和共同面积非常重要。然而，寄生虫的分散阶段的关键方面，例如寿命和影响它的因素，也是不知名的。在这里，我们研究异位遗传癖的Dipteran，血肉升降术和性别，身体大小和食物供应对长寿的影响的寿命。我们发现新鲜出现的Imagoes在最多不到4天内存活。寿命随身含量增加，由于这种寄生虫表现出性尺寸的二态性，而是比男性更长的女性。然而，控制身体尺寸表明，男性的生活比女性相对较长。此外，潮湿的环境和食物供应（花）显着提高了个体生活跨度。我们讨论了空间和时间分散与这种寄生虫传染性潜力的相对重要性。

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