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首页> 外文期刊>Journal of Medical Entomology >The Effects of High-Altitude Windborne Migration on Survival, Oviposition, and Blood-Feeding of the African Malaria Mosquito, Anopheles gambiae s.l. (Diptera: Culicidae)
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The Effects of High-Altitude Windborne Migration on Survival, Oviposition, and Blood-Feeding of the African Malaria Mosquito, Anopheles gambiae s.l. (Diptera: Culicidae)

机译：高海拔风发迁移对非洲疟疾蚊子的生存，产卵和血液喂养的影响，anophelesGambiae S.L. （Diptera：Culicidae）

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摘要

Recent results of high-altitude windborne mosquito migration raised questions about the viability of these mosquitoes despite ample evidence that many insect species, including other dipterans, have been known to migrate regularly over tens or hundreds of kilometers on high-altitude winds and retain their viability. To address these concerns, we subjected wild Anopheles gambiae s.l. Giles mosquitoes to a high-altitude survival assay, followed by oviposition (egg laying) and blood feeding assays. Despite carrying out the survival assay under exceptionally harsh conditions that probably provide the lowest survival potential following high altitude flight, a high proportion of the mosquitoes survived for 6- and even 11-h assay durations at 120- to 250-m altitudes. Minimal differences in egg laying success were noted between mosquitoes exposed to high altitude survival assay and those kept near the ground. Similarly, minimal differences were found in the female's ability to take an additional bloodmeal after oviposition between these groups. We conclude that similar to other high-altitude migrating insects, mosquitoes are able to withstand extended high-altitude flight and subsequently reproduce and transmit pathogens by blood feeding on new hosts.
机译：尽管有充分证据表明，包括其他双翅目昆虫在内的许多昆虫物种在高空风中定期迁徙数十或数百公里以上，并保持其生存能力，但最近的高空风传蚊子迁徙结果对这些蚊子的生存能力提出了质疑。为了解决这些问题，我们对野生冈比亚按蚊s.l.Giles蚊子进行了高海拔生存试验，然后进行产卵（产卵）和吸血试验。尽管在极端恶劣的条件下进行生存试验，可能在高空飞行后提供最低的生存潜力，但大部分蚊子在120-250米的高度上存活了6个小时，甚至11个小时。在暴露于高海拔生存试验的蚊子和那些保持在地面附近的蚊子之间，产卵成功率的差异很小。同样，在这些群体中，雌性在产卵后摄入额外血粉的能力也存在微小差异。我们得出的结论是，与其他高海拔迁徙昆虫类似，蚊子能够承受长时间的高海拔飞行，并通过在新宿主身上吸血繁殖和传播病原体。

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