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首页> 外文期刊>Journal of Medical Entomology >A component of maize pollen that stimulates larval mosquitoes (Diptera : Culicidae) to feed and increases toxicity of microbial larvicides
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A component of maize pollen that stimulates larval mosquitoes (Diptera : Culicidae) to feed and increases toxicity of microbial larvicides

机译：玉米花粉的一种成分，刺激幼虫蚊（Diptera：Culicidae）觅食并增加微生物幼虫的毒性

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摘要

To explain how larval Anopheles arabiensis Patton feed effectively in the turbid water in which they frequently develop, we determined whether an extractable component of maize, Zea mays L., pollen enhances feeding by these mosquitoes. Maturing maize produces a copious amount of wind-borne pollen that is nutritious enough and produced over a sufficient period to support the development of at least one generation of anopheline mosquitoes. Larval An. arabiensis readily ingest the contents of maize pollen or the intact pollen grains themselves. An aqueous extract of maize pollen markedly accelerates the rate at which larval An, arabiensis ingest inert particles and strongly enhances the effectiveness of Bti against larval An. arabiensis. We conclude that the ability of larval anopheline mosquitoes to feed on maize pollen in turbid water is enhanced by the release from these pollen grains of a water-soluble phagostimulatory component (or components), which may be used to increase ingestion of microbial entomotoxins.
机译：为了解释幼虫按蚊在频繁生长的混浊水中如何有效摄食，我们确定了玉米的可提取成分玉米粉花粉是否增强了这些蚊子的摄食。玉米成熟会产生大量的风传花粉，这些花粉具有足够的营养，并在足够长的时间内产生，以支持至少一代按蚊的发育。幼虫阿拉伯树很容易摄入玉米花粉或完整的花粉粒本身的内含物。玉米花粉的水提物显着提高了阿拉伯拟南芥幼虫摄取惰性颗粒的速度，并大大增强了Bti对幼虫An的有效性。阿拉伯我们得出的结论是，通过从这些花粉粒中释放一种或多种水溶性的刺激因子（一种或多种），可以增强幼虫按蚊蚊在混浊水中以玉米花粉为食的能力，这可以用来增加微生物毒素的摄入。

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