aphid
美 [ˈeɪfɪd] 
英 ['eɪfɪd]
词形变化
复数：aphids
英汉双解
1. | 蚜虫a very small insect that is harmful to plants. There are several types of aphid , including, for example, greenfly . |
英汉解释
英英解释
例句
"The DNA from a fungus went into the aphid somehow, " Moran says, "and then stayed there and continued to function. "
“不知道究竟任何发生的，反正类胡萝卜素基因从真菌那里跑到蚜虫那里去了，”莫兰说，“然后在那里呆着，并继续发挥作用。”
And after a few days, depending upon temperature, the egg will hatch, and the larva of this parasitoid will eat the aphid from the inside.
过了几天之后，依据温度状况，蛋就会孵化出来，寄生者的幼虫会从内部将蚜虫吃掉。
In fact, cigarette butts out of the water bubble governance aphid was the "medicine. "
原来，烟蒂泡出来的水竟是治蚜虫的“良药”。
At the same time, main mechanism of aphid population decrease interfered by the wind and rain was observed indoors.
在室内观测了麦蚜受风雨干扰作用后蚜量下降的主要机制；
One of the functions of the endosymbiont is the synthesis of essential amino acids for the aphid host.
的职能之一是在共生细菌的合成必需氨基酸的蚜虫东道国。
Only the egg of the parasite will be be inserted into the body fluids of the aphid.
寄生者只会放一个蛋在蚜虫的体液之中。
Along with medicament density increasing, The longevity of adult aphid of F0 generation mostly shortened and the total fecundity decreased.
随着药剂浓度的增加，当代成蚜寿命显著缩短，产蚜量显著降低。
In most years, the aphid was controlled under natural regulators, especially its natural enemies and no insecticide application was needed.
在塔城地区，大部分年份麦双尾蚜受自然控制因素制约而为害较轻。
It appears that in the early growth period of sweet pepper, the best. effectiveness of aphid, shading by reflective white plastic cloth.
银色塑胶布对蚜虫忌避效果在甜椒生长初期最佳，随植株的发育其忌避效果随之减弱。
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。
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。
Each aphid community is founded by a single, asexually reproductive female at the end of winter.
每个蚜虫群体都是由一只无性繁殖的雌性在冬末开始形成。
So by helping her colony mates survive and procreate, an aphid ensures that her own genes are passed on to future generations.
此外，蚜虫还可以通过帮助其他蚜虫存活并繁殖来确保基因的延续。
Raising seedling stage of sweet pepper covered with 80 mesh nylon is effectively for prevention virus diseases which carry through aphid.
甜椒育苗期使用80目纱网保护可有效防止经由蚜虫携带传播的病毒。
The results showed that the occurrence and damage of the wheat aphid increased generally.
结果表明：流域内蚜虫的发生及危害总体呈加重趋势，危害面积扩大；
A new insecticide bioassay target, green peach aphid, its rearing and several different bioassay methods were introduced in this paper.
介绍了一种新的生测筛选靶标桃蚜的室内饲养方法及几种不同的生测方法。
A Russian wheat aphid spread to the United States in 1986, threatening the entire nation's commercial wheat crop.
1986年，一种俄罗斯麦蚜虫在美国传播，对美国全国的小麦作物构成威胁。
A green aphid commonly occurring as a destructive pest of various cultivated plants .
蚜虫，桃蚜一种常见的、危害各种作物的绿色蚜虫。
Many researches have confirmed that there are various host biotypes in wild populations of the cotton aphid.
在长期的进化过程中，棉蚜已经形成了不同的寄主专化型。
The aphid response towards oil treated plant volatiles was investigated using a darkened arena bioassay.
采用暗室生测法调查了蚜虫对处理的植物挥发性化合物的反应；
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。
This is the end result: Mummies -- M-U-M-M-Y. This is the visual result of a dead aphid.
这就是最后的结果：木乃伊--木-乃-伊。这是蚜虫死亡后的外观。
The reproduction rate of the aphid is influenced by nutrition.
蚜虫的繁殖率受到营养的影响。
Then, as the neighbouring wheat grows and aphid infestations arrive, there is a ready supply of wasp predators to deal with them.
然后，当邻近的小麦长成和蚜虫虫害来临时，就会随时有现成的天敌（寄生蜂）来对付它们。
Crops in early spring are younger and more susceptible both to the damage inflicted by the aphid itself and also by the viruses they carry.
早春的作物还很嫩，不仅更容易受到蚜虫的伤害，而且更容易受到蚜虫携带病毒的感染。
This will vary with the local or total number of virus sources, but also with the efficiency as a vector of the prevalent aphid clones.
带毒蚜的多少因地区或因毒源总数而异，但也与优势蚜群传毒力有关。
ResultsThe ethanol extract of Ligusticum chuanxiong Hort. showed inhibitory effects on the tested microbe and aphid.
结果川芎提取物对供试菌都有一定的抑制作用，对蚜虫也有很好的毒杀作用。
And it's bad for one species to be responsible for aphid control with no backup.
而且，只有一个物种负责蚜虫控制而没有替换物种也很不妙。
The influence of host morphs on diapause are most prominent in aphid parasitoids.
此外，寄主生理状态和寄主丰富度也是影响寄生蜂滞育的重要因子。
The aphid colonies grow inside galls, abnormal outgrowths on plants.
蚜虫通常群居于植物虫瘿内（由于昆虫产卵寄生引起的异常发育部分）。
Seven-spotted ladybugs are native to Europe but were brought to North America in the mid-1900s to control aphid populations.
七星瓢虫原产欧洲但为了控制蚜虫的数量于1900年期间被引入到北美。
It is tentatively hypothesized that temperature affects aphid body size via influence on the abundance of mycetocytes.
据此认为，温度可能通过作用于蚜虫内共生菌胞数量而影响蚜虫体型的大小。
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。
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。
Matrine had broad-spectrum killing pesticide activity to acaridae, Pieris rapae L. and aphid.
苦参碱具有广谱杀虫活性，对叶螨、菜青虫、蚜虫均具有活性。
Cotton aphid is one of the most important agriculture pest. The cotton aphid is harmful seriously to the host plants such as cotton.
棉蚜是最重要的农业害虫之一，广泛分布于中国和世界各地，严重危害棉花等寄主植物。
The effect of oil treatment on aphid trophic behaviour was assessed using the electrical penetration graph (EPG) technique.
采用刺探电位技术（EPG）评价了矿物油处理对蚜虫取食行为的影响。
A parasitic wasp lays its eggs in an aphid.
一只寄生蜂正在往一只蚜虫的体内产卵。
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。
AHC used as base fertilizer could reduce the damage of aphid.
碳铵作底肥明显降低了蚜虫的危害。
