instar

instar

美 [ɪn'stɑr] 　英 [ɪn'stɑ:]

• v.饰以星；〈古〉把…摆成星状
• n.(虫)龄
• 网络龄期；虫龄；龄虫

词形变化

过去式：instarred  现在分词：instarring  

英汉解释

n.	1. (虫)龄
v.	1. 嵌星,饰以星 2. 〈古〉把...摆成星状

英英解释

n.	1. in the life cycle of an arthropod such as an insect, a stage between two successive molts

例句

Yeah, you know, like inStar Trek, when you're in battle and you raise the shields? Where the hell'd that come from?

是的，就像里的，当你要战斗时，你要举起你的盾？这想法从哪儿冒出来的？。

The wing dimorphism differentiation sensitive instar was inferred and compared between the male and female individuals.

本文还比较了长翅型雌、雄性个体之间间接飞行肌的发育情况。

Meanwhile, feeding amount of each instar larvae, sex ratio of adults and egg numbers laid by females were determined.

测定了各龄幼虫的取食量、成虫性比及产卯量；

A second instar nymph can eat 15 reddish-tipped prominent moth eggs a day and an adult 15 pine caterpillars, several times its own weight.

一只二龄幼虫可日食杨扇舟蛾卵十五粒，一只成虫可日食松毛虫十五条，食量大过体重数倍。

The results indicated that the 1st instar larvae of A. lucorum was the sensitive stage.

结果表明：绿盲蝽的敏感虫态为1龄若虫；

During adult stage, the size of ovarian increased with the growth of adult instar, adult stage, then decreased afterward.

成虫期内卵巢的生长是先增大后减小，其他生殖器官一般随日龄的增长而增大，然后保持稳定。

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。

Different instar of oriental fruit moth has significant differences in the different photoperiod.

梨小食心虫幼虫不同虫龄对光照的敏感性具有显著的差异。

During each successive growing stage (instar), the nymph begins to resemble the adult more closely.

随著每一个相连的成长阶段（虫龄），若虫的外形与成虫越来越相似。

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。

Objective To observe the hemocytes of musca domestica larva of the 3th instar by Giemsa's staining.

目的通过姬氏染色法以便观察家蝇三龄幼虫的各种血细胞形态。

The wasp prefers to lay eggs first on adult females and then on the 2nd, 3th instar larvae of Its host.

该蜂对寄主有一定的选择性，偏好寄生较大的雌成虫，其次是2、3龄雌若虫。

The wing buds were found on the 4 th instar dorsal view.

四龄若虫由背面观具明显翅芽；

The wing buds extend to 3 rd abdomen on 5 th instar.

五龄时翅芽延伸至腹部第三节。

The relationship between the different method of raising the fifth instar silkworm and the temperature and humidity of rearing seat

五龄蚕不同饲育方式与蚕座温湿度的关系

The relationship between the instar of Italian bee worker and the quantity of collecting nectar at short distance

意大利蜜蜂近距离采蜜量与工蜂日龄的关系

The Relation Between the Protein Composition of Posterior Silkglands in the Fifth Instar Larva of Silkworm and Cocoon Shell Weight

家蚕五龄后部丝腺蛋白质构成与茧层量的关系

Acute Isolation and Identification of Cerebral Neurons from the Late Third Instar Larvae of Drosophila Melanogaster

果蝇晚三龄幼虫脑神经元的快速分离与鉴定

A Comparison of the Protein Composition of the Middle Silk Gland Cells of the Fifth Instar Larvae of Silkworm

家蚕五龄幼虫中部丝腺细胞的蛋白质组成比较

The Comparison Among Three Control Factors to Embryogeny and Two-Instar-Larva of Meloidogyne Incognita

三种防治因子对南方根结线虫胚胎发育及二龄幼虫作用的比较

Observation of Morphology of Third-instar warble in Yak by Scanning Electron Microscopy

应用扫描电子显微镜对牦牛皮蝇三期幼虫的形态学观察

Toxicity of Insecticides to Different Generations or Different Instar of Spodoptera exigua

杀虫剂对甜菜夜蛾不同世代及幼虫龄期的毒力变化

Protein Databank for Several Tissues Derived from Five Instar of Silkworm

五龄家蚕若干组织器官蛋白质数据库构建

Correlativity between Feeding Characters of 5th Instar Larva of Tussah Silkworm and Diet Effeciency

柞蚕5龄取食特点与饲料效率的相关性研究

Testing on Effects of Feeding Parent Silkworm Races in 5th Instar with Nutritious Diet Addition

原蚕5龄期添食蚕用营养饲料效果试验

The structure of alimentary canal and feeding habit of low instar nymphs of Eupolyphaga sinensis

中华真地鳖低龄若虫消化道结构及取食习性

The Effect of 20 Kinds of Insecticides Against older Instar Larva of Cnaphalocrocis Medinalis

20种杀虫剂对稻纵卷叶螟高龄幼虫的效果