When they reach full size, they attach to a leaf by their tail, and a pupa is formed.
当它们长到最大尺寸时，它们用尾部附着在树叶上，蛹就形成了。
During the pupa stage, they do not eat foods but do sit at the surface and breathe air through two small tubes.
在蛹阶段，它们不吃食物，但在水面游动时会靠两个细小的管道呼吸空气。
This stage (阶段) of a butterfly's life is known as the "pupa" stage.
蝴蝶生命中的这一阶段被称为“蛹”。
She may have observed the adult moth just as it emerged from its pupa.
她可能是在成年蛾刚从蛹中孵化出来时观察到的。
The larva or pupa of a mosquito.
疟疾一般通过蚊虫叮咬的方式传播。
Later the larva turns into a pupa.
接着幼虫变成了蛹。
The butterfly emerged from the pupa.
蝴蝶由蛹孵化而出。
The insect stows tomorrow in the egg and pupa.
昆虫把明天蕴藏在卵蛹之中。
Tussah pupa oil was extracted from tussah pupa.
以柞蚕蛹为原料进行柞蚕蛹油提取的研究。
In their pupa stage, they resemble broken twigs.
在蛹的阶段，它们象断开的小枝条。
It over-wintered with the pupa in fallen leaves or the weeds of ground.
以蛹在向阳地的残株落叶或杂草中越冬。
Objective To explore the clinical features of tussah pupa encephalopathy.
目的探讨柞蚕蛹性脑病的临床特征。
A pupa, especially of a moth or butterfly, enclosed in a firm case or cocoon.
蛹蛹，特指蛾子或蝴蝶，包在坚固的壳或茧中。
The enzyme activity of the 5th instar was the highest and that of the pupa was the lowest.
结果表明，不同虫态及虫龄的多酚氧化酶活力有很大的不同，其中以5龄幼虫酶活力最高，蛹酶活力最低。
You will be surrounded by white I like pupa general, I think I will break the final cocoon and fly.
你将我用银白包围，好似蚕蛹一般，我想最后我也会破茧而飞吧。
During the pupa stage, they do not eat, but do sit at the surface and breath air through two small tubes.
在蛹阶段，不会摄取食物，但在水面游动时会摄取，靠两个细小的呼吸角呼吸。
The scouring, dyeing and finishing process of the pupa protein rayon filament knitted fabric are introduced.
重点介绍了蛹蛋白粘胶长丝针织物的精练、染色及后整理加工工艺。
The ultrasound extraction technology and composition analysis of honeybee pupa fat were studied in this test.
利用超声波技术对蜂蛹脂肪的提取工艺进行了研究，并对蜂蛹脂肪酸的成分进行了分析。
Properties of chitin from pupa skin were studied and analysed by comparing the chitin from shrimps and crabs.
通过与虾、蟹甲壳质性能对比，对蛹皮甲壳质的性能进行了分析和研究，并对影响蛹皮甲壳质的性能因素进行了探讨。
The results show that the major portion of pupa crust is composed of fat, protein, chitin and inorganic salts.
研究结果表明，柞蚕蛹皮的主要成分为油脂、蛋白质、几丁质和无机盐。
It was the main techniques in future to control the larvae and pupa by parasitoids of Dastarcus helophoroides.
利用寄生性天敌花绒寄甲防治天牛幼虫和蛹是主要的防治技术，前景广阔。
The stages of egg, larva of instar 1 to 4, pupa, and the whole generation were influenced greatly by temperature.
对于不同的生活史阶段，豆荚野螟卵、1～4龄幼虫、蛹及整个世代受温度影响显著；
The application of self-synthesized cross-linker FC-100 to pupa protein fiber dyeing with reactive dyes is researched.
研究自制交联剂FC 100在蚕蛹蛋白纤维活性染料染色中的应用。
In deacetylation degree, pupa shell of M. domestica and shell of Euplyphaga chitosan was relatively higher than others.
从几丁糖质量角度看，采用家蝇蛹壳和地鳖虫壳可制备脱乙酰度较高的几丁糖；
In general, larva having the lowest survival rate was the main fatal stage during group rearing following by prepupa and pupa.
集体饲育以幼虫期之死亡率最高，为主要死亡时段，前蛹期次之，蛹期最低。
Fattening larvae become juicy colorful caterpillars then create a hard protective case around themselves as they enter the pupa stage.
正在养肥的幼虫变成有趣的毛虫，然后产生了一个坚固的保护壳裹在它们周围这样就进入了蛹的阶段。
The production technology, nutritional evaluation and child-and animal-feeding tests of silkworm pupa protein powder (PPP) were described.
本文报导了蚕蛹蛋白分离提取技术及其产品的营养评价与动物和儿童喂养试验的研究结果。
A comparison and analysis on the properties and the processing methods of the chitin obtained from pupa skin and from prawn -crab were made.
本文主要对蛹皮制的甲壳质和虾蟹制的甲壳质，在工艺加工过程和性能上作了比较和分析，从而进一步确认用蛹皮制甲壳素是可行的。
The enzyme hydrolyzation technology of honeybee pupa protein and strengthening effect of honeybee pupa drink for mice were studied in this test.
研究了蜂蛹蛋白质的酶解工艺以及蜂蛹氨基酸口服液对小鼠的强壮作用。
The enzyme hydrolyzation technology of honeybee pupa protein and strengthening effect of honeybee pupa drink for mice were studied in this test.
研究了蜂蛹蛋白质的酶解工艺以及蜂蛹氨基酸口服液对小鼠的强壮作用。
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