aphids
英 [ˈeɪfɪdz]
美 [ˈæfɪdz]
n. 蚜虫(体小，植物害虫)
aphid的复数
柯林斯词典
- 蚜虫
Aphids are very small insects which live on plants and suck their juices.
双语例句
- The larvae prey upon small aphids.
这种幼虫以小蚜虫为食。 - There must be aphids somewhere around.
这附近一定有芽虫。 - Clusters of tiny insects called aphids were to be found on the underside of the leaves.
在树叶背面找到成串的叫作蚜是的小虫子。 - I haven't had many problems with disease, although the aphids love it;
我还没有与疾病的许多问题，尽管蚜虫喜欢它； - Phloem elements and adjacent tissues are the principal feeding sites for most aphids.
韧皮部及其邻近组织是大多数蚜虫的主要取食部位。 - However, reproduction rates of some insects such as aphids are influenced by nutrition.
然而，一些昆虫的繁殖率，如蚜虫等是受营养影响的。 - Small round bright-colored and spotted beetle that usually feeds on aphids and other insect pests.
圆形身体的小甲虫，色彩鲜艳并有斑点，通常吃蚜虫和其它有害的昆虫。 - The Niche Analysis of Wheat Ear Aphids and Their Natural Enemies
小麦穗蚜及其天敌的空间生态位分析 - They introduced aphids to show the effect of removing the plant's defences and measured the growth of the plants and the aphids'rate of reproduction.
他们引入了蚜虫从而证明关闭这种植物的防御系统的效果，并测量和这种植物的生长和蚜虫的繁殖率。 - Aphids are tiny insects that develop colonies on plants and eat plant fluids.
蚜虫是一种体型很小的昆虫，它们群居于植物上，并靠吸食植物汁液维生。 - A sweet, sticky substance excreted by various insects, especially aphids, on the leaves of plants.
蜜露各种昆虫，尤其是蚜虫在植物叶子上分泌的甜的粘性物质。 - A method for mass culture of wheat aphids was developed using wheat seedling as forage.
介绍利用水培麦苗大量饲养麦蚜的技术。 - Moreover, niches of natural enemies of wheat aphids in barley and oat fields were also discussed.
对伊犁大麦田和燕麦田蚜虫的天敌生态位也进行了计算分析。 - Heavy rain or hail may dislodge many aphids from the plants.
大雨和冰雹可从植株上击落很多蚜虫。 - He searched the grass and trees around the cotton fields to trace the source of the aphids.
他在棉花地周围的草丛、树干上找寻蚜虫产生的根源。 - Most ladybugs feed on plant-eating insects, such as aphids, though some species feed on the plants themselves.
自然界图片。大多数的瓢虫靠吃侵蚀植物的昆虫过活，例如蚜虫，虽然一些物种用植物自己喂养它们自己。 - Bunchy top disease can spread from plant to plant and is also spread by aphids.
束顶病除了植株间相互感染外，还能通过一种蚜虫传播。 - The harm of aphids and the related aphid-spread virus disease on strawberry production and main prevention and control measures were summarized.
综述了蚜虫及相关蚜传病毒病对草莓生产的危害、主要防治措施，重点论述了育种技术对草莓病毒病及蚜虫防治的研究进展。 - Heavy infestations of aphids result in the secretion of honeydew from their bodies.
在蚜虫蜜露分泌导致的虫害，从他们的身体。 - The Asian lady beetle eats aphids that damage crops like soybeans, fruits and berries.
亚洲甲虫吃掉了破坏庄稼的蚜虫，比如大豆，水果和草莓等。 - Plant lice ( aphids); whiteflies; cicadas; leafhoppers; plant_hoppers; scale insects and mealybugs; spittle insects.
蚜虫；粉虱；蝉；叶蝉；鳞虫和水蜡虫；沫蝉。 - Aphids are unique among animals in their ability to synthesize pigments called carotenoids.
蚜虫在动物中是独特的，因为他们能合成被称为类胡萝卜素的色素。 - This paper discusses the species diversity, fauna elements and geographical distribution of aphids in China.
对“热河生物群”中蚜虫类的科级分类、演化和地质时代进行讨论并提出不同意见。 - A second endosymbiont, found in aphids, illustrates another possible fate for the genes of a hanger-on.
在蚜虫中发现的另外一种内共生体则阐明了必须基因的另一种可能的命运。 - Aphids can also spread crop diseases.
蚜虫还会导致农作物的疾病传播扩散。 - Birds remove harmful species of beetles, caterpillars, ants and aphids from branches, Mooney explained, increasing the vigor of trees.
穆尼解释说，鸟儿可以除掉树枝上有害的甲虫、毛虫、蚂蚁与蚜虫，增进树木的活力。 - Frost, if severe and long enough, kills exposed aphids, but enhances development of overwintering eggs.
霜冻，如果是时间较长的霜冻，则可杀死裸露的蚜虫，但可引导产生越冬卵。 - Any of several small insects esp. aphids that feed by sucking the juices from plants.
几种小昆虫尤其是以从植物吮吸汁液为食的蚜虫。 - The group speculates that another symbiont abundant in aphids is compensating for the loss.
研究人员进一步推测出在蚜虫内还富含另外一种共生体来弥补这种损失。