昆虫的资料,哪位帮我找。(一定是英文+中文翻译的)
蚕,是蚕蛾的幼虫,丝绸原料的主要来源,在人类经济生活及文化历史上有重要地位。原产中国北部,主食为桑叶,也可用鹅菜补充。茧是由一根长度为300~900米(1000~3000英尺)连续的丝织成的。家蚕的虫及蛹可以食用,并有食疗功效。成虫成虫的蛾不能飞,它又被称为“蚕蛾”,只是用于产卵以繁殖后代。因为其久远的历史和经济上的重要性,家蚕的基因已成为现代科学的重要研究对象。
Silkworm, silkworm moth larvae, silk the main source of raw materials, in the human economic life and cultural history is an important position. The origin of northern China, and staple food for mulberry leaf, also can use goose food supplement. Cocoon is a root length for 300 ~ 900 meters (1000 to 3000 feet) continuous silk into. Bombyx mori worm and worm can eat, and food therapy efficacy. Imago imaginal moth can not fly, it has been called the "silkworm moth", just to reproduce by laying eggs. Because of its long history and economic importance, silkworm gene has become an important research object of modern science.
这不是蚱蜢吗?
资料是我找的,英文是我发翻译的啦,希望能帮到你!七星瓢虫
Soccinella septempunctata Linnaeus (瓢虫科)
俗称花大姐。
分布在我国东北、华北、华中、西北、华东和西南等一些省区;另记载于蒙古、朝鲜、日本、原苏联、印度及欧洲地区。
成虫体长5.2-6.5毫米,宽4-5.6毫米。身体卵圆形,背部拱起,呈半个水瓢状。头黑色、复眼黑色,内侧凹入处各有1淡黄色点。触角褐色。口器黑色。上额外侧为黄色。前胸背板黑,前上角各有1个较大的近方形的淡黄地。小盾片黑色。鞘翅红色或橙黄色,两侧共有7个黑斑;翅基部在小盾片两侧各有1个三角形白地。体腹及足黑色。
年发生多代。以成虫过冬,次年4月出蛰。产卵于有蚜虫的植物寄主上。成虫和幼虫均以多种蚜虫、木虱等为食。系益虫,应予保护。
七星瓢虫是著名的害虫天敌,成虫可捕食麦蚜、棉蚜、槐蚜、桃蚜、介壳虫、壁虱等害虫,可大大减轻树木、瓜果及各种农作物遭受害虫的损害,被人们称为“活农药”。
七星瓢虫是鞘翅目瓢虫科的捕食性天敌昆虫,在我国各地广泛分布。20世纪70年代在黄河下游已开始用助迁法防治棉花和小麦蚜虫,90年代开始人工繁殖,并用于生产。 七星瓢虫以鞘翅上有7个黑色斑点而得名。每年发生世代数因地区不同而异。例如,在河南安阳地区每年发生6-8代。北方寒冷地区,每年发生世代数则较少。七星瓢虫成虫寿命长,平均77天,以成虫和幼虫捕食蚜虫、叶螨、白粉虱、玉米螟、棉铃虫等幼虫和卵。七星瓢虫1头雌虫可产卵567-4475粒,平均每天产卵78.4粒,最多可达197粒。 七星瓢虫取食量大小与气温和猎物密度有关。以捕食蚜虫为例,在猎物密度较低时,捕食量随密度上升而呈指数增长;在密度较高时,捕食量则接近极限水平。气温高的条件下,影响七星瓢虫和猎物的活动能力,捕食率提高。据统计,七星瓢虫对烟蚜的平均日取食量为:1龄10.7头,2龄33.7头,3龄60.5头,4龄124.5头,成虫130.8头。七星瓢虫近80天的生命期可取食上万头蚜虫。 毒性 七星瓢虫对人、畜和天敌动物无毒无害,无残留,不污染环境。
七星瓢虫在我国分布相当广泛,分布的地区有北京、辽宁、吉林、黑龙江、河北、山东、山西、河南、陕西、江苏、浙江、上海、湖北、湖南、江西、福建、广东、四川、云南、新疆、西藏、内蒙古等地,常见于农田、森林、园林、果园等处。
七星瓢虫是著名的害虫天敌,成虫可捕食麦蚜、棉蚜、槐蚜、桃蚜、介壳虫、壁虱等害虫,可大大减轻树木、瓜果及各种农作物遭受害虫的损害,被人们称为“活农药”。
七星瓢虫有较强的自卫能力,虽然身体只有黄豆那么大,但许多强敌都对它无可奈何。它3对细脚的关节上有一种“化学武器”,当遇到敌害侵袭时,它的脚关节能分泌出一种极难闻的黄色液体,使敌人因受不了 而仓皇退却、逃走。它还有一套装死的本领,当遇到强敌和危险时,它就立即从树上落到地下,把3对细脚收缩在肚子底下,装死躺下,瞒过敌人而求生。
瓢虫之间还有一种奇妙的习性:益虫和害虫之间界限分明,互不干扰,互不通婚,各自保持着传统习惯,因而不论传下多少代,不会产生“混血儿”,也不会改变各自的传统习性。
Coccinella septempunctata (Coccinellidae)
Distribution in China's north-east, north, central, northwest, east and south-west provinces and autonomous regions such as; another documented in Mongolia, North Korea, Japan, the former Soviet Union, India and Europe.
Adult body length 5.2-6.5 mm, 4-5.6 mm wide. Body oval, arch his back, was like half a bailer. Head black, eyes black, the inside of each indentation Department 1 yellow spots. Brown tentacles. Mouthparts black. Additional yellow side. Pronotum black, the former have a larger corner of the light yellow to nearly square. Small black scutellum. Coleoptera red or orange, a total of seven spots on both sides; fin base in small scutellum on each side a white triangle. Abdomen and feet black body.
Multi-generation years. To adults over the winter, 4, born the following year hibernation. Aphid eggs in a host plant. Adults and larvae are a variety of aphids, such as food canarium. Department of beneficial insects, to be protected.
Coccinella septempunctata is a well-known natural enemies of pests, the adult may be preying on aphids, Aphis gossypii, Aphis Cassia, green peach aphid, scale insects, tick and other pests, can significantly reduce the trees, fruits and a variety of crop pests damage suffered by the people referred to as "living pesticide."
Coccinella septempunctata Coleoptera Coccinellidae are predators of insects, in the widely distributed all over the country. 70s in the 20th century the lower reaches of the Yellow River has started to move with helping to control the cotton and wheat aphid, 90 during the beginning of artificial propagation, and for the production. Coccinella septempunctata Coleoptera in the seven black spots are named after. Several generations each year vary from region to region. For example, in the Henan Anyang 6-8 each year on behalf of the region. Cold northern region, several generations occur each year are less. Coccinella septempunctata adult life span is longer, an average of 77 days, to adults and larvae prey aphids, spider mites, whitefly, corn borer, Helicoverpa armigera larvae and eggs and so on. Coccinella septempunctata a female can lay 567-4475 tablets, with an average 78.4 eggs per day up to 197. Coccinella septempunctata check food temperature and prey size and density. To aphid predation as an example, in the low prey density, prey density increased with an increase in an exponential growth; in the higher density, the predator is close to the limits of the level of volume. High temperature conditions, the impact of Coccinella septempunctata and the activity of prey, predation rates. According to statistics, Aphidius Coccinella septempunctata on the average daily food intake for admission: 1 age of 10.7, 2 age 33.7, 3 age 60.5, 4 age 124.5, adult 130.8. Coccinella septempunctata nearly 80 days of life may be feeding on aphids 10000. Coccinella septempunctata toxicity to human, animal and natural animal-friendly non-toxic, non-residual, non-pollution of the environment.
Coccinella septempunctata in China is fairly well distributed, the distribution of the region in Beijing, Liaoning, Jilin, Heilongjiang, Hebei, Shandong, Shanxi, Henan, Shaanxi, Jiangsu, Zhejiang, Shanghai, Hubei, Hunan, Jiangxi, Fujian, Guangdong, Sichuan, Yunnan , Xinjiang, Tibet, Inner Mongolia and other places, commonly found in farmland, forests, gardens, orchards, etc..
Coccinella septempunctata is a well-known natural enemies of pests, the adult may be preying on aphids, Aphis gossypii, Aphis Cassia, green peach aphid, scale insects, tick and other pests, can significantly reduce the trees, fruits and a variety of crop pests damage suffered by the people referred to as "living pesticide."
Coccinella septempunctata have a stronger self-defense capability, although the body is only so much soy, but many have a strong enemy can do nothing about it. Its three pairs of small joints of the feet, there is a "chemical weapons", when faced with invasion敌害, its feet joints can secrete a yellow liquid of very unpleasant, so that the enemy can not stand and panic due to retreat, to escape. It also has a ability to play dead, when faced with powerful enemies and danger, it immediately fell on the ground floor from a tree, and three pairs of small feet under contraction in the stomach, lie down and play dead, hidden from the enemy and survive.
There is also a wonderful between septempunctata habits: the boundaries between the beneficial insects and pests is clear, non-interfering, non-marriage, maintained their own traditions and customs, so regardless of how much mass the next generation will not have a "half-breed" and will not change their traditional habits.
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我知道自然界中的许多昆虫对人类有帮助,我要说一说,画一画。
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你好。这种虫子学名叫蜈蚣 土话叫蚰蜒 是一种毒虫。要小心。
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德哈普乐: insect 英 [ˈɪnsekt] 美 [ˈɪnˌsɛkt] n. 虫,昆虫;卑鄙的人;微贱的人,小人 adj. 昆虫的;卑劣的 词汇难度:高考 / CET4 / 考研 / TEM4 / TEM8 复数: insects
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德哈普乐: How do insects breathe? 昆虫很容易被淹死,这个大家都知道.那昆虫能不能被掐死呢?读了下面这篇文章你就会知道了. Insects breathe in a way that is very different from us. Instead of having a central place to gather oxygen and a transport ...