蝗
1、蝗虫 。种类很多。一般指飞蝗,常成群飞翔。又名蚂蚱。吃麦、稻、玉蜀黍等禾苗,是农业上的主要害虫之一。
蝗,螽也。从虫,皇声。---说文》
蝗螟农夫得而杀之。---《吕氏春秋》
蝗螟:蝗与螟。庄稼的两种害虫
蝗螽:即蝗虫。
直翅目癞蝗科癞蝗亚科新属新种中国。
Orthoptera Pamphagidae Pamphaginae new genus new species China.
对蝗灾时的特派官员、捕蝗措施进行分析。
It analyses the specially appointed officials, and measure of catching locusts.
山东省是东亚飞蝗蝗灾重发区,蝗区面积大。
Locust plague is the serious problem in Shandong Province, the occurring area are large.
在坦桑尼亚的蝗群。
Locust swarms in Tanzania.
现行的稻蝗亚科并非一单系群,而是一多系群。
The current Oxyinae is not a monophyletic group, and should be a polyphyletic group.
沙漠蝗的间接飞行肌极为发达,具有通常的功能。
Schistucerca has well-developed indirect flight-muscles with the usual functions.
目的在于弄清该杀虫剂对稻蝗的作用方式及防治价值。
The aim was to evaluate the action mode, persistence and control value of Fipronil in rice grasshoppers management.
棉蝗不同的生长时期对温度、土壤含水量的要求有所不同。
Chondracris rosea rosea needs different combinations of temperature and water-content in soil under different developmental period.
想法二:马克和凯萨琳在“蝗满为患”的房间里找不到彼此。
Idea 2: Mark and Kathleen cannot find each other in the locust-filled room.
本文对贵州七种负蝗的染色体和EST同工酶进行了比较研究。
In this paper the chromosome and EST isozyme of the seven Atractomorpha species in Guizhou are studied.
威塔数码的名字来源于世界最重的大昆虫沙螽(长须无翅大蝗)。
Weta Digital is named after the Giant Weta, the heaviest insect in the world.
我国癞蝗已知13属48种及亚种,多分布在我国北部和西北部。
There were 13 genera 48 species and subspecies in China, which distributed in the north and north-west of China.
臭腹腺蝗肠内没有像大多数直翅目昆虫那样自后肠的液流逆向流动。
There was no counter flow of fluids from the posterior midgut as in most orthopterans.
有时蝗群覆盖数百公里,包含数十亿个体,它们完全是通过数量来取胜。
With swarms sometimes extending for hundreds of kilometres, and containing billions of individuals, they conquered by sheer force of Numbers.
黄雀正伸长了脖子想去啄蝗螂,却不知道在它下面正有人拿着弹弓呢!
The siskin is stretching out its neck to peck at the mantis, not knowing that a man carrying a slingshot is under it.
应用蝗虫微孢子虫防治棉蝗,是一种有效而很有前途的生物防治方法。
Application of Nosema locustae to control Chondracris rosea is an effective and promising biological control method.
人们一般认为,从空中向蝗群撒药很困难并且很危险,因此只能采取地面防治措施。
People usually assume that it is difficult and very dangerous to spray locust swarms from the air and that control measures can only be exercised on the ground.
中国的西南地区是竹蝗属的分布中心,同时也是其起源和物种分化中心。
The Southwest China is not only the distribution center of grasshopper genus Ceracris Walker, but also the original and speciation center of it.
前者为渤海上一个岛屿,目前有13000多条黑眉蝗蛇在岛上活动。
There are about 13000 pallas pit viper ( Agkistrodon halys ) in Snake Island.
后来发现,蝗群落在海上—落在它们可以发现的任何船舶上,但它们也落在水中。
It turned out that the swarms were coming down at sea - on any ships they could find, but also in the water itself.
结果表明蝗虫的发生时期和世代及蝗卵能否顺利孵化主要是由气象环境决定的;
The results show that the occurrence date, generations in a year and whether locusts eggs can incubate successfully are mainly determined by meteorological condition.
蝗灾的救治与国家兴衰有密切关系 ,姚崇灭蝗为开元盛世做出了重要贡献 ;
There are close relations between the rise and decline of the country and the cure for plague of locusts.
本文论述了蝗虫生物防治技术的研究概况,着重介绍了原生动物治蝗的生物技术。
This article mainly discussed the recent state of the biological-protective technology against the locust and introduced the biological technology of killing locust by protozoa.
秦岭山脉北麓的眉县至长安一线的中华稻蝗距离较近,应为一个地理宗或居群;
The rice grasshoppers in the north of Qinling mountains are similar, and should be a geographical race or population.
分子系统学研究结果和传统的基于形态特征的斑腿蝗科的分类体系有很大的不同。
The result of inferred phylogeny is very different from the classification scheme of Catantopidae based on morphology.
在高温干旱的土壤里,蝗卵发育很快,要不了多久就孵化出来,见到什么就吃什么。
Grasshopper eggs develop and open up very quickly in hot, dry soil. When grown, the insects start eating everything in the sight.
根据贝叶斯判别准则,确定了两类蝗区夏蝗大发生关键气象因子的最佳临界距平值;
According to Bayesian rule, the best critical departure from normal value of the key meteorological factors for the outbreak of summer locust was determined by two kinds of ecological area.
肠溶物的单向流动可以防止有毒物质的积累,使臭腹腺蝗成功耐受木薯叶中的氰化氢。
One-way movement of the gut contents prevents accumulation of toxic substances to injurious levels, enabling the insect to favourably tolerate hydrogen cyanide in cassava leaves.
肠溶物的单向流动可以防止有毒物质的积累,使臭腹腺蝗成功耐受木薯叶中的氰化氢。
One-way movement of the gut contents prevents accumulation of toxic substances to injurious levels, enabling the insect to favourably tolerate hydrogen cyanide in cassava leaves.