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首页> 外文期刊>Population ecology >Density and distribution of soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae) in response to UV radiation
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Density and distribution of soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae) in response to UV radiation

机译:紫外线对大豆蚜虫甘氨酸松村(Hemiptera:Aphididae)的密度和分布

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摘要

Increasing ultraviolet radiation (UV) has led to greater interest in its current and potential effects on organisms, including herbivorous insects. Here we report the short-term effects of UV on soybean aphids (Aphis glycines Matsumura), a common phytophagous pest of soybeans. We used two complementary approaches to examine how modifying UV radiation affects this phloem-feeding herbivore via changes to soybean aphid densities and their within plant distribution. We found that artificially adding UV in a lab setting decreased soybean aphid population size compared to a low UV control; however, blocking UV radiation in the field had minimal effects on aphid density. Further observations suggest that soybean aphid location could mediate UV effects; feeding on the underside of leaves may shield aphids from some harmful effects of UV. Our results demonstrate the potential importance of UV to insect herbivores and how behavior may influence such effects.
机译:紫外线辐射(UV)的增加已引起人们对它对包括草食性昆虫在内的生物的当前和潜在影响的更大兴趣。在这里,我们报告紫外线对大豆蚜虫(大豆常见的植物吞噬性害虫)的蚜虫(Aphis glycines Matsumura)的短期影响。我们使用了两种互补的方法来研究改性UV辐射如何通过改变大豆蚜虫密度及其在植物体内的分布来影响这种韧皮部食草动物。我们发现,与低紫外线控制相比,在实验室环境中人工添加紫外线可减少大豆蚜虫种群的数量;但是,在野外阻挡紫外线辐射对蚜虫密度的影响很小。进一步的观察表明,大豆蚜虫的定位可以介导紫外线的影响。取食叶子下面可能会保护蚜虫免受紫外线的有害影响。我们的结果证明了紫外线对昆虫食草动物的潜在重要性以及行为如何影响此类影响。

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