One kind of Japanese aphid and one kind of leaf spot fungus.

This paper studies composition and characters of the aphid fauna of Hengduan Mountains Region.

研究了横断山区蚜虫区系的组成和特点.

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The aphid eat green grass, the false eats soul.

蚜虫吃青草, 虚伪吃灵魂.

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The reproduction rate of teh aphid is influenced by nutrition.

蚜虫的繁殖率受到营养的影响.

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This kind of aphid height 2 millimeters, take the Japanese giant knotweed as the food.

这种蚜虫身长2毫米, 以日本虎杖为食.

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Several other herbicides, including amitrole, barban, dicamba , and MCPA, alter aphid populations on treated hosts plants.

另一些除草剂, 包括杀草强 、 燕麦灵 、 麦草畏和MCPA, 都能够改变处理寄主上的蚜虫群体.

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Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying.

因为蚜虫类对有机磷化物能产生抗性, 所以要避免过多的喷洒.

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He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics.

他利用蚜虫繁殖力资料说明了抗生作用对虫口动态的理论效应.

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There is adequate variability in plants to breed for resistance to certain aphid vectors.

植物有充分的变异性可用于培育对一些蚜虫介体的抗性.

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In general an aphid cannot or hardly identify its host at a distance.

在一定距离以外,蚜虫通常不能或难以识别其寄主植物.

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Aphid count on plants in fields do not correlate with virus spread in the same fields.

田间植株蚜数与同块田内病毒的扩散程度间无相关性.

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The aphid is now laying waste to the wheat and barley fields.

蚜虫正在毁掉一片片的小麦和大麦田地。

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Clusters of tiny insects called aphides were to be found on the underside of the leaves.

在树叶阴面,可以发现一簇簇叫做蚜虫的小昆虫.

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Huahua's family supports many aphides, which eat flowers and plants. They gather honey that aphides produce.

原来,花花家族养了很多的蚜虫, 蚜虫吃花园里的花草, 而它们收集蚜虫排出的蜜露来吃.

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Sap passes right through the aphides'bodies, only getting a little thicker and sweeter.

汁液直接流过蚜虫的身体, 结果只是变得更稠、更甜.

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When growing vegetables, one must guard against cabbage aphids.

菜农在种植蔬菜时一定要注意防治菜蚜.

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Chrysopidae and Hemerobiidae ; larvae feed on insect pests such as aphids.

两种薄纱状翅膀的昆虫之一(蛹与褐 蛉 )其幼虫吃诸如蚜虫等的害虫.

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The young beetle larvae can eat hundreds of aphids.

而幼龄瓢虫则可吃掉数百只蚜虫.

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Fungal pathogens are important natural biological control agents of aphids.

病原真菌是蚜虫的重要自然控制因子.

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Viruses are transmitted by VECTORS such as aphids and nematodes.

病毒的传播由传染媒介执行,例如蚜虫和线虫.

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Alternation of sexual and parthenogenic generations , as in some aphids.

有性生殖和无性生殖的交替.

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