幼虫

The distribution of the two genotyped Ascaris in the organs or locations was different which was characterized by obvious difference in the number of larvae recovered.

两种基因型幼虫在小鼠脏器的分布有所差异，G1型幼虫在各脏器的检出数明显多于G3型幼虫。

The paper described how the leaves of Brasenia schreberi Gmel., an economic aquatic plant and a Chinese favourite dish, were destroyed by the Chironomid larvae, especially those of Cricotopus trifasciatus panzer, and the characteristics and their growth environment of that species were introduced in detail as well.

莼菜为长江中下游地区民众喜爱的菜肴，具有较高的营养价值。本文重点叙述主要危害莼菜的三带环足摇蚊Cricotopus trifasciatur幼虫，记述了这种幼虫的特征和生长环境以及这类幼虫危害莼菜的过程和结果。

Based on the spatial temporal characteristics of interaction of pine caterpillar larvae population,a three dimensional correlogram and spatially mixture regression model was proposed.

对马尾松毛虫幼虫密度分布的预测采用了时空自回归加时空趋势面的形式，预测的马尾松毛虫幼虫的平均密度和实测的平均密度在时空变化的趋势上是完全一致的，而且预测结果给出了马尾松毛虫幼虫密度分布的图象形式，给防治决策提供了方便。

Cross of the two species showed hybrid weakness in both fertilization and growth, while zygotes'hatching success was similar with parental combinations, as well as the larvae survival which exist no significant with Kumamoto oyster larvae. Hybrids died numerously when metamorphosing and setting on the cultch. The survival hybrid spats grow poorly with high mortality.

杂交幼虫在受精率上存在显著劣势；但是受精卵的孵化率与纯种受精卵无显著差异；杂交幼虫在生长上也存在显著劣势；而存活率与熊本牡蛎无显著差异；杂交幼虫附着变态期间大量死亡，存活下来的稚贝生长缓慢，死亡率高。

Chemical identification of ODPs from extracts of larval frass,egg masses and midgutThe major ODPs of the extracts from larval frass,egg masses and midguts of O.furnacalis and O. nubilalis fed on an artificial diet were identified by GC and GC-MS.

玉米螟幼虫粪便、卵块及中肠提取液中产卵忌避信息素成分鉴定采用GC和GC-MS方法测定了两种玉米螟取食人工饲料后幼虫粪便、卵块，以及人工饲料和幼虫中肠提取液中的主要化学成分。

Field experiments demonstrated that efficacy of 30% dichlorvos and omethoate for Caloptilia dentata was over 80%, for Drosicha corpulenta was 95.9% and Psylla willieti 96.4%. For Parathrene tabanifomis, Anoplophora glabripennis, Apriona swainsoni and Panonychus ulmi also gained perfected efficiency, and injection dosage of 2.0ml/cm φ for Myzus persicae obtained 100%result, for Eriococcus lagerostioemiae which damage Punica gianatum the result was 92.96%. In all, the efficiency of 30% diohlorvos · omethoate control of most pests was better than bisultap, decis, acephate, nicotine and avermectin, etc.

田间防效结果表明30%敌畏·氧乐对元宝枫细蛾的防治效果可以达到80%以上，对草履蚧和槐木虱防效分别大于95.9%和96.4%，对白杨透翅蛾幼虫、危害新疆杨和合作杨的光肩星天牛幼虫、危害国槐的锈色粒肩天牛幼虫、危害苹果的榆全爪螨等可达到理想防效，当施药剂量为2.0 ml/cmφ时对桃蚜的防效达100%，对危害石榴的紫薇绒蚧防效可达92.96%以上。30%敌畏·氧乐对大多数害虫的控制作用优于杀虫双、敌杀死、乙酰甲胺磷、烟碱和阿维菌素等。

The hatching condition of the eggs,the feeding behavior,the duration and damage characteristics of the larvae,the pupation position and the habit of adult of P.melete were studied by the habitat investigation and the laboratorial rearing observation.

方法通过生境调查和室内饲养观察研究黑纹粉蝶卵的孵化情况，幼虫的取食行为及幼虫的历期，幼虫的危害特点，化蛹的部位，成虫的习性等。

To test the toxicity of spore-crystal formulation of HBF-1 specific to larvae of several main scarabaeid species in North China, Bacillus thuringiensis suspensions mixed with sterilized fine soil containing potato pieces were used for feeding the larvae. The LC50 of HBF-1 crystal-spore powder to Popillia quadriguttata, Anomala exoleta, A. mongolica, A.

以我国筛选出的对金龟科幼虫具有杀虫活性的HBF-1菌株为供试菌株，采用菌悬液与含有土豆丝的土壤混合饲喂幼虫的方法，测定了HBF-1菌株孢晶粉剂对华北地区主要金龟子幼虫的毒力，其敏感性依次为四纹丽金龟Popillia quadriguttata，黄褐丽金龟Anomala exoleta，蒙古丽金龟A.mongolica，铜绿丽金龟A.corpulenta和苹毛丽金龟Proagopertha lucidula，LC50为3.104，18.987，30.924，34.713和55.995 μg/g土。

The honeybee spawns in the nest room, the larva lives in the nest room, the camp society sex life larva by the worker bee oral administration, the camp roosts the sex life the larva to take the food female bee alone to store in Yu Chaoshi the bee grain, waits the bee grain to be fed up, larva mature pupation, when emergence broken cocoon.

蜜蜂在巢室内产卵，幼虫在巢室中生活，营社会性生活的幼虫由工蜂喂食，营独栖性生活的幼虫取食雌蜂贮存于巢室内的蜂粮，待蜂粮吃尽，幼虫成熟化蛹，羽化时破茧而出。

Experiment results showed as follows: 1 Two kinds of reactive oxygen species exhibited remarkable damage to larvae on 3 types of different development stage.The treatment of reactive oxygen species could result in decrease of larva survival rate and inhibit metamorphosis rate of cyprid.

实验结果表明：1、二种类型的活性氧对东方小藤壶三种不同发育时期的幼虫均具有伤害作用，在其作用下，幼虫存活率的下降，变态过程受到抑制，且表现出一定的剂量效应；三种不同发育时期的幼虫对活性氧作用的敏感性存有明显的差异性，Ⅵ期无节幼虫对羟自由基的作用最为敏感。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。