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- An aphid, especially one of the genus Aphis. 蚜属昆虫蚜虫,尤指蚜虫属昆虫
- Studies on Yield Loss and Dynamic Economic Threshold of Cowpea Aphid Aphis craccivora Koch on Cowpea, Vigna sp. 豆蚜危害豇豆损失率及动态经济阈值研究。
- Effect of synthetic aphid alarm pheromone (EBF) on fitness of Aphis gossypii (Homoptera: Aphididae). 蚜虫报警激素对棉蚜适合度的影响
- The cotton aphid Aphis gossypii Glover is one of the main pests of cotton, cucurbits and other crops. 棉蚜是一种重要的农业害虫,能危害棉花、瓜类及多种观赏植物,并能传播植物病毒病,给农业生产带来重大损失。
- My companions showed me the aphis they raised. 同类们领着我去观赏他们饲养的蚜虫。
- The stylet penetration and suck behaviour of soybean aphid, Aphis glycines Mat., on Lost and non-host plants was monitored by using an electrically recording method (EPG). 用EPG记录法记录了大豆蚜AphisglycinesMatsumura在寄主和非寄主植物上的口针刺吸行为。
- The results indicated that Coccinellidae and Chrysopidae as primary natural enemies of Aphis gossypii significantly reduced the aphid population in self-controlled cotton field. 结果表明,不施药棉田中草蛉和瓢虫对棉蚜有着良好的自然控制能力;
- Lysiphlebus fabarum (Hymenoptera: Aphidiidae) is a generalist parasitic wasp species which can oviposit in several aphid species, including the bean aphid, Aphis craccivora (Homoptera Aphidinae), and the soybean aphid, A. glycines. 豆柄瘤蚜茧蜂Lysiphlebusfabarum对能寄生于包括大豆蚜Aphisglycines和豆蚜A.
- APHIS offers some suggestions of ways to keep away from predators. APHIS给农民提供驱逐食肉动物的建议.
- Aces APHIS offers some suggustions of ways to keep away predators. APHIS提供一些远离食肉动物的方法的建议。
- APHIS offers some suggestions of ways to keep away predators . APHIS提供一些的方法建议来赶跑食肉动物。
- The reproduction rate of the aphid is influenced by nutrition. 蚜虫的繁殖率受到营养的影响。
- APHIS offers some suggestions of ways to keep away predators. APHIS提供一些方法建议用以驱逐侵掠动物。
- Making method and skill of glass specimen of aphid were introduced. 摘要介绍了蚜虫玻片标本的制作方法与技巧。
- Spatial and temporal niches of Aphis gossypii and its predatory enemies. 棉蚜及其捕食性天敌时空生态位研究。
- 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。
- If is APHIS offers some suggestions aways to keep away predators .A project. 蚜虫也有一些方法能赶走食肉动物。
- 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。
- 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。
- I have seen small population almost wiped out by fungus at the same time as dense aphis populations elsewhere. 我曾见到小的群体在其它任何地方的高密度蚜群被真菌杀死的同时差不多也被杀死了。