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Any of numerous, usually dull-colored night-flying moths of the family Noctuidae, having a well-developed proboscis for sucking nectar and larvae such as the cutworms and armyworms that are destructive to young trees and other crops.

夜蛾一种通常为暗色的夜间飞行的夜蛾,长有非常发达的吸管,用于吮吸花蜜和幼虫。如切根虫和行军虫,他们对树苗和其它庄稼有毁坏作用

Malaianus, H.verticillata et al, whose occurrence rate was 100% and weight percent was 85.6%; Secondly, it can feed on humus of organism, whose occurrence rate was 100% and weight percent was 10.0%; Thirdly, it can also feed on a little Filamentous alage, Floating algae, Zoonplankton, Oligochaeta, Tendipes, Procambarus clarkii et al, whose occurrence rate was less than 10%,and weight percent was only 5.4%.

食性 克氏原螯虾(体长3.0cm~10.6cm,体重1.6g~80.3g)的摄食种类主要是竹叶眼子菜、黑藻等大型水生植物,出现频率达100%,重量百分比达85.6%;其次是有机碎屑,出现频率达100%,重量百分比为10.0%;同时还有少量的丝状藻类、浮游藻类、浮游动物、寡毛类、摇蚊幼虫、克氏原螯虾的残体等,这些种类出现率都小于10%,重量百分比仅为5.4%。

Liver pain, or even death in cirrhotic ascites; Paragonimiasis infected cysts, child or adult worms in human tissues and organs within the transitional, If staying in the lung, patients would cough, chest pain and other discomfort, live in the brain occur in epilepsy, hemiplegia, live mainly in the liver to the liver, liver pain, will live in the subcutaneous form transitional mass or nodule; Fasciolopsiasis worm infection can suffer from abdominal pain, diarrhea, malnutrition, etc.; Angiostrongylus cantonensis larvae in human migration, lesions in the brain, can cause severe headache, nausea, vomiting, fever and neck hard, there will be serious paralysis, lethargy, coma or even death.

感染食源性寄生虫病后可出现不同的症状或体征:华枝睾吸虫病的危害主要是肝受损,轻症者可出现胃肠道不适症状,重者常有肝肿大、肝区疼痛、肝硬变腹水甚至死亡;感染肺吸虫囊蚴后,童虫或成虫在人体组织与器官内移行,若寄居在肺里,患者会出现咳嗽、胸痛等不适感觉,寄居在脑中则出现癫痫、偏瘫等情况,寄居在肝内主要表现为肝大、肝痛,寄居在皮下则形成移行性包块或结节;感染姜片虫后可出现腹痛、腹泻、营养不良等;广州管圆线虫的幼虫在人体移行,病变集中在脑组织,可引起剧烈头痛、恶心、呕吐、发热及颈硬等,严重者会出现瘫痪、嗜睡、昏迷甚至死亡。

The survival,growth and development as well as reproduction of Boettcherisca peregrina(Diptera: Sarcophagidae) in the parental generation were significantly influenced as newly oviposited larvae were exposed to various concentration of Cd~(2+) administered in the artificial diet until pupation.

棕尾别麻蝇Boettcherisca peregrina初产幼虫喂饲含不同浓度Cd2+的饲料直至化蛹时,其亲代的生存、生长发育与繁殖受到了显著的影响。

Three fibrinolytic proteases, which were designated as BPGFP1, BPGFP2 and BPGFP3 individually, were purified from the gut extract of larvae of Boettcherisca peregrina fed on artificial diet containing fibrin rich pig blood coagulated block.

从以富含纤维蛋白的血凝块为食物的棕尾别麻蝇幼虫肠道浸提液中分离纯化出 3种具有溶纤活性的蛋白酶,分别命名为BPGFP1,BPGFP2和BPGFP3。

Other natural ways to fight the fire ants are also possible, one is the south American phorid fly, it lays its eggs on fire ants, when the eggs break open, the young flies eat the brains of ants, but researchers do not know how well the flies will do in north American.

还有一些对付火蚁的自然方法也非常可行,一种是南美的phorid苍蝇,它把卵产在火蚁卵上,当幼虫破卵而出时就食取火蚁的脑,但是研究者还不知道这种苍蝇在北美效果如何。

A protective case of silk or similar fibrous material spun by the larvae of moths and other insects that serves as a covering for their pupal stage.

茧纤维或类似纤维材料的保护壳,由蛾或其他昆虫的幼虫做成,作为其蛹阶段的覆盖物

The female lays around 250 eggs in a hole in the soil a few centimetres below the surface. Each egg hatches into a pupoid - a brief, legless stage - then the juvenile form of the millipede appears.

一条雌虫在离地面几厘米的洞中产下约250枚卵,每个卵的孵化都要经过一个短暂的无腿阶段,然后才呈现出幼虫形态。

This investigation focuses on the effect of temperature on Strongyloides ratti. Low temperature (15°C) was shown to favor direct development, producing infective

其生活方式有两种,受到温度的影响,在约15℃时所孵化出来的是具有入侵生物体内能力的感染性幼虫,此为直接性生活史。

Stimulus of 15°C, while newly hatched larvae were. The results indicate that the mental course of S. ratti larvae external to the host is determined at a relatively early stage before the first molt.

而且通常在15℃是属於比较没有刺激性且可以激化孵化能力的低温度,此实验主要是利用在不同温度下,对於一开始幼虫孵化的较早阶段,是否造成后来的感染力有所不同。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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