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pupa
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    The threshold temperatures and the effective accumulated temperatures required for egg, larva, pupa and whole generation were 10.9℃, 11.1℃, 12.5℃, 10.6℃ and 40.9, 110.3, 39.7, 359.4 degree-day, respectively.
    卵、幼虫、和世代的发育起点温度分别为10.9℃,11.1℃,12.5℃和10.6℃,有效积温分别为40.9,110.3,39.7,359.4日. 度。
短句来源
    Study on Genetic Regulation and Correlative Enzyme of the Black Phenotype Mutants of Moth and Pupa of Helicoverpa Armigera (H(?)bner)
    棉铃虫Helicoverpa armigera (H(?)bner)蛾黑型突变体体色遗传规律及黑化相关酶研究
短句来源
    Study on Biological and Biochemistrical Characteristics of the Black Phenotype Mutants of Moth and Pupa of Helicoverpa armigera (H(?)bner)
    棉铃虫Helicoverpa armigera (H(?)bner)蛾黑型突变体生物学及生化特性研究
短句来源
    Every stages last: egg 3-9days; larva 16-26 days; pupa 3-8 days;
    各虫态历期,因代别而异,卵期在3~9天,幼虫期在16~26天,期3~8天。
短句来源
    The analysis of the data with the method of probability statistics show that the irradiation dose resulted in 50%death-rate of larvae is 2.76 KGY,100%is 87. 78 KGY,and 50%death-rate of pupa is 20.4 GY,100%is 70 GY.
    幼虫50%和100%死亡率的辐照剂量分别为2.76KGY和87.78KGY。 50%和100%辐照死亡率的剂量分别为20.40GY和70GY。
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  “pupa”译为未确定词的双语例句
    the period of pupa was 9.46d,5.54d,3.73d,3.00d,2.45d,2.25d respectely;
    蛹的发育历期分别为9.46d,5.54d,3.73d,3.00d,2.45d,2.25d;
短句来源
    The egg-larva survival rate was 94.2% at 26 ℃ and 88.6% at 29 ℃,and decreased to 80.1% at 32 ℃ and 53.2% at 35 ℃. The pupa survival rate also descended with the raise of temperature.
    卵-幼虫的存活率在26℃和29℃分别为94.2%和88.6%,32℃时下降至80.2%,而35℃时仅为53.2%,蛹的存活率也表现出相应的下降趋势.
短句来源
    A Study on the Nutritive Value of the Pupa of the Pine Caterpillar ( Dendrolimus latipennis )
    云南松毛虫蛹的营养成分分析与应用价值探讨
短句来源
    The results show that the relationship between temperatures and developmental period of egg to pupa fited the parabola model and developmental period under 30 C is the shortest.
    结果表明,棉露尾甲适合的温度范围为25一30℃,湿度范围为70一80%。 适合未成熟期生长发育的温湿度组合为30℃,70%,此时历期为8.89d。
短句来源
    Irradiated with below doeses of 300Gy,the larvae could still develop into pupa,but the pupation-rates were lower.
    经300GY以下剂量辐照的幼虫,在低温(3~6℃)下,仍能继续发育,化蛹,但化蛹速率比对照显著降低。
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  pupa
In homozygotes for allele Indyp115, we have previously revealed two phases of embryotic lethality and lethality at the larval and pupa stages.
      
Genetic Regulation on the Black Phenotype Mutants of Moth and Pupa of Helicoverpa armigera (Lepidoptera: Noctuidae)
      
Description of the larva and pupa of Parnops glasunovi (Coleoptera, Chrysomelidae)
      
The last instar larva and pupa of Parnops glasunovi Jcbs.
      
The morphology and development of egg, larva and pupa were investigated, which has previously not been done.
      
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By dissecting parasitized aphids reared under the constant temperatures,the development periods of A.gifuensis and D.rapae were observed including the stages of egg,larvae,pupa,the periods from egg to mummy-forming and to adult-emerging.Based on the law of temperature accumulation, the development thresholds and the thermal constants of the two parasitoids were calculated.The results indicated that in Beijing area. gifuensis used to have 17 generations per year,19 at most,while D.rapae used to have 17,18...

By dissecting parasitized aphids reared under the constant temperatures,the development periods of A.gifuensis and D.rapae were observed including the stages of egg,larvae,pupa,the periods from egg to mummy-forming and to adult-emerging.Based on the law of temperature accumulation, the development thresholds and the thermal constants of the two parasitoids were calculated.The results indicated that in Beijing area. gifuensis used to have 17 generations per year,19 at most,while D.rapae used to have 17,18 at most,and 16 at least.

通过解剖、观察、记录烟蚜茧蜂(AghidiusgifuensisAshmead)与菜蚜茧蜂(Diaeretiellarapae(M’Intosh)各个虫态、接蜂至形成僵蚜和接蜂到出蜂的发育历期,依据有效积温法则,计算出两种蚜茧蜂各上态及世代发育起点和有效积温。由此推算出在北京地区烟蚜茧蜂常年平均发生17代,最多19代;菜蚜茧蜂平均17代,最多18代,最少16代。

Cassida piperaia Hope is one of the principal insect pest of Alternanthera pniloxeroides(Mart) Griseb in southern part of Hunan Province. It has four generations a year and overwinter byadult. Egg laying stage lasts 25-45 days. Each female can lays 64 eggs. Every stages last: egg 3-9days; larva 16-26 days; pupa 3-8 days; adult 60-200 days (overwinter generation). The degree ofdamage depand upon the temperature and humunity of the enviroment. It is restricted by high temperature and low humudity.

虾钳菜披龟甲是湘南危害空心莲子草的重要害虫,1年发生4代,以成虫越冬。成虫产卵期长达25~45天,平均每雌产卵64粒。各虫态历期,因代别而异,卵期在3~9天,幼虫期在16~26天,蛹期3~8天。成虫寿命长达60天或200余天(越冬代)。发生为害与温、湿度关系密切,高温、干旱对其不利。

In Heilongjiang, Euergestis extimali, Scopoli is a kind of pest on rape Department of Agronomy. and other mustard family vegetables. The larva bores through the podsand eats the seeds. It occurs 1 to 2 generations in one year and passes the winter in larve which is in a cocoon in the soil. Next year, it will change into pupa from the second ten days to the last ten days of May.The adult emerges in June. The harm period of the first generation larvoa is from the middle ten days of June to the first ten...

In Heilongjiang, Euergestis extimali, Scopoli is a kind of pest on rape Department of Agronomy. and other mustard family vegetables. The larva bores through the podsand eats the seeds. It occurs 1 to 2 generations in one year and passes the winter in larve which is in a cocoon in the soil. Next year, it will change into pupa from the second ten days to the last ten days of May.The adult emerges in June. The harm period of the first generation larvoa is from the middle ten days of June to the first ten days of July. The second generation larvea occur in August. The larva has a habit of spitting silk arid making net. The adult can mate immedietly in the day of eme-rgence. Fggs are laid on young pod or its stalk. The adult has phototaxis and can live 4 to 16 days.

茴香薄翅野螟是黑龙江省油菜和十字花科蔬菜的一种害虫,幼虫蛀食果荚、籽粒。1年2代,以幼虫在土中结茧越冬。第二年5月中下旬开始化蛹,6月羽化。6月中旬至7月上旬是第一代幼虫危害期,第二代幼虫发生于8月。幼虫有吐丝结网习性,成虫羽化当天即可交配产卵,卵产在嫩角果或柄上。成虫有趋光性,寿命4—16天。

 
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