pupation

Its expression was restricted to larval and early pupation stage .

主要表现为幼虫及蛹前期表达。

However , the pupation rates and eclosion rates were not .

但不同温周期处理后，其化蛹率和羽化率之间没有明显差异。

Significant differences of pupation rates were also observed in the 1st and 2nd instar larvae .

2龄幼虫的化蛹率与对照相比有显著差异，3、4龄则差异不显著；

Effects of raining on the pupation and emergence of cotton bollworm and its occurrence

降雨对棉铃虫化蛹和羽化的影响机制及对发生程度的抑制作用研究

The survival and pupation rates of the larvae increased with increase of larval weight because of water drinking .

幼虫的存活和化蛹率随幼虫饮水后体重的增加而增加。

Feeding with artificial diet indoor , the larvae finished 6 instars before pupation .

上树后的幼虫，在室内人工饲养条件下发育了6龄仍未化蛹。

The pupation and eclosion were hindered by treatment of larvae .

处理幼虫后，试虫的化蛹和羽化受阻。

Genetic analysis on the inheritance of pupation rate and some traits of cocoon were adopted with diallel cross .

本试验采用完全双列杂交方法，对家蚕的生命力与茧质性状进行了遗传研究。

In the third day after pupation , there are 3 spots down-regulated and 1 spot up-regulated .

化蛹第三天，有3个蛋白点在scaleless中表现出下调，1个点表达量上调。

The average pupal weight and the pupation rate remarkably decreased and the rate of growth and development were both delayed to the contrast .

平均蛹重和化蛹率都大幅度下降，且生长发育速度较CK延迟。

Different intensities of magnetic field had significant effects on pupation rate and eclosion rate , while there was no obvious effect on egg hatching .

不同磁场对小菜蛾卵孵化率无明显影响，但对成蛹率及羽化率有明显影响。

The injury symptom of leaves caused by larvae varied with host plants , and the pupation site was different depending on the host plants .

幼虫在不同寄主植物上取食危害的症状不同，其化蛹部位也不同。

The pupation rate of treated larvae was only 7 . 2 % , much lower than that of check ( 93 . 1 % ) .

化蛹率仅为7.2%，而CK为93.1%。

From about one week before pupation ( the last instar ) haemolymph ecdysteroid titres went up forming two separated peaks .

预蛹化蛹前一周血淋巴中蜕皮甾类激素滴度存在两个与变态相对应的峰值。

However , avermectin fed by 4th instar larvae could remarkably reduce the percentage of pupation and adult emergence , and egg production .

而集琦虫螨克则对4龄幼虫的化蛹率、蛹羽化率及羽化后成虫的产卵量均有显著的降低作用。

Difference of diapause termination between univoltine and bivoltine was only in the length of critical pupation time .

一化性和二化性的二化螟越冬幼虫在滞育解除方面的差异仅表现在群体临界化蛹前期的长短上，一化性CC品系的群体临界化蛹前期显著长于二化性PL品系。

Hatch rate of the flea is 74.0 % , while pupation rate is 62.6 % and eclosion rate 58.8 % .

孵化率为74.0%，化蛹率为62.6%，羽化率为58.8%。

The average rates for hatching , pupation and eclosion were 84.61 % , 73.56 % and 92.28 % respectively .

它们的平均孵化率、蛹化率和羽化率依次为84.61%、73.56%、92.28%，经9～12天可完成一个世代的繁殖。

After pupation , the CAT activity rised rapidly and reached a peak at 48-96 h , then declined drastically until eclosion .

化蛹后，CAT活力迅速上升，至中期达到峰值，随后迅速下降直至羽化。

The results show that : ( 1 ) Morph-characteristics of diapause pupae during diapause period remain as in the early pupation stage .

结果表明：滞育蛹在整个滞育期保持着蛹化初期的形态特征；

The irradiated silkworms showed difficulty in their metamorphosis , and to be markedly lowered in cocooning rate , pupation rate and eclosion rate .

照射后家蚕变态困难，结茧率、化蛹率和羽化率显著降低；

Laboratory experiments were conducted to examine the survival time , pupation rate and eclosion rate for the Brontispa longissima in the situation in lack of food .

研究了椰心叶甲的饥饿耐受时间，饥饿状态下的化蛹率和羽化率。

The results revealed that the timing of pigmentation of compound eyes and adult emergence were delayed by treatment of KK-42 before 36th hours after pupation .

试验结果表明：KK-42在蛹龄36小时之前处理有推迟复眼着色和羽化的作用，而且以复眼着色延迟更明显。

The content of protein in blood has a dynamic change from first day of fifth instar to first day of pupation on cassava-silkworm ( the Nanning No. 1 race ) .

本文报道木薯蚕南一品种，从五龄起蚕至化蛹第一天血液蛋白质含量的动态变化。

When reared with rice seedlings , the larval survival rate to 3rd instar was very low ( less than 10 % ), and no larvae could grow to pupation .

而稻苗饲养法饲养的大螟三龄幼虫成活率很低，不到10%，且无法生长到化蛹。

Pupation takes place abou the middle part of April . THE 4TH CONGRESS OF THE GEOLOGICAL SOCIETY OF FUJIAN PROVINCE WILL BE HELD IN FUZHOU IN APR. 17-19 , 1989

四月中旬开始化蛹，蛹期十八至二十天。福建省地质学会第四届会员代表大会将于四月中旬在福州召开

The survival and pupation rates of over wintered SSB collected from rice field were 67.30 % and 70.06 % , much higher than SSB collected from Zizania fields .

水稻田二化螟越冬幼虫的存活率和化蛹率分别为67.30%和70.06%，茭白田二化螟则分别比其低20.90%和21.69%；

Wing disc is the organ of larve which will developed into the wings of adults ; during pupation both the shape and the function of the wing disc will see definite changes .

翅原基是将来发育成为成虫翅的幼虫器官，它在化蛹过程中无论是形态还是功能上都会发生明显的变化。

The 3rd instar larvae , fed on false flax , showed significant lower survival rate , percentage pupation , pupa weight and shorter adult longevity in compared with that fed on cabbage .

喂养小菜蛾3龄幼虫至化蛹，其存活率、化蛹率、蛹重及成虫寿命都显著降低，表明亚麻荠对小菜蛾幼虫的生长发育有不利影响。

Spinosad fed to 4th instar larvae for 2 h led to reduction in the percentage of pupation , but did not significantly affect adult emergence , life span , and egg production .

菜喜对小菜蛾4龄幼虫化蛹率有显著降低作用，但对蛹的羽化率、雌成虫寿命及产卵量却没有明显影响；