查询词典 Aphidius

This paper deals with a detail review on the biology,ecology and utilization of Aphidius gifuensis.

本文就烟蚜茧蜂的生物学、生态学及其应用等方面的研究进展作了较详尽的综述。

Aphidius gifuensis is an important parasitic natural enemy of aphids and it plays an important role in controlling aphids population.

烟蚜茧蜂是烟蚜的一种重要寄生性天敌，对烟蚜的自然控制力较强。

The spatial construction and correlation of Schizaphis granarium and Aphidius sp.at different stages were investigated using geostatistical method.

应用地理统计学的原理和方法研究了不同时期麦二叉蚜及蚜茧蜂种群的空间结构和空间相关性。

Aphidius gifuensis is an important parasitic natural enemy of aphids and it plays an important role in controlling aphids population.

王桂芬 ，史万华，秦焕菊，任广伟烟蚜茧蜂是烟蚜的一种重要寄生性天敌，对烟蚜的自然控制力较强。

The survey about employing insecticide in zone of releasing Aphidius gifuensis and convention field show that: Agricultural chemicals employment number of times reduce 1.22 and average employment amount reduced 40%.

对放蜂区和常规施药防治区内烟农施用杀虫剂情况的调查表明，在放蜂区施用杀虫剂的平均次数为1.83次，而常规施药防治区为3.05次，放蜂区的施药次数比常规防治区减少40%。

The research on the times of releasing Aphidius gifuensis control aphids has showed that: the successive releasing Aphidius gifuensis can control the growth rate of aphid effectively when the outset aphids is lower.

对烟蚜茧蜂防治烟蚜的散放次数研究结果表明，在初始蚜量较低的条件下，采用逐次放蜂的方法散放烟蚜茧蜂防治烟蚜，可有效地控制烟蚜种群的增长。

The results showed that the semivariogram of S.granarium was described by a spherical model,and indicated an aggregated special pattern ranging from 21 to 61cm. The semivariogram of Aphidius sp.could be also well described by spherical model, and indicated an aggregated spatial pattern ranging from 36 to 55cm.The amount and spatial distribution of Aphidius sp. w...

结果表明，不同时期麦二叉蚜种群的半变异函数曲线皆为球型，其空间格局为聚集型，变程在 2 1～6 1cm之间；蚜茧蜂种群的拟合半变异函数曲线也表现为球型，呈聚集空间格局，空间变程在 36～ 5 5cm之间，并与麦二叉蚜种群在数量和空间上有较强的追随关系，说明蚜茧蜂种群是麦二叉蚜种群的优势种天敌。

In the field of biology the paper dicusses mating,parasite,developing,oviposition,etc.of Aphidius gifuensis and effect on its host,also ecologically dicusses its natural enemies and effect of weather,growth of tobacco,insecticide on Aphidius gifuensis.

生物学方面主要论述了烟蚜茧蜂的交配、寄生、发育、产卵、体色、性比、越冬、成蜂寿命及其对寄主生命活动的影响：生态学方面主要论述了烟蚜茧蜂的天敌以及气候因子、烟草长势和化学农药对其的影响。

An investigation was made in winter wheat fields to study the effects of applying wheat synomones methyl salicylate and sulcatone (6-methy-5-hepten-2-one) on the dynamic changes of Macrosiphum avenae and its natural enemies Harmonia axyridis and Aphidius avenae.

研究了在田间使用小麦互益素－水杨酸甲酯和6-甲基－5-庚烯－2-酮对麦长管蚜及其主要天敌－异色瓢虫和燕麦蚜茧蜂的影响。

Electroantennogram responses to several chemical volatiles of soybean plant were investigated for the following four species of insects: 1 Aphis craccivora Koch and Macrosiphum avenae; 2 Lysiphlebus fabarum Marshall, the common nature enemy of Aphis glycines Matsumura which is the pest insect of soybean plant, and of A.craccivora which is not the pest insect of soybean plant; 3 Aphidius picipes Nees, the nature enemy of M.avenae which is not the pest insect of soybean plant.

研究了下列害虫和寄生天敌种类对大豆植株中提取的某些挥发性次生化合物及其不同组合混合相的触角电位反应： 1豆蚜Aphis craccivora Koch和麦长管蚜Macrosiphum avenae；2为害大豆植株的大豆蚜Aphis glycines Matsumura和不为害大豆植株的豆蚜二者所共有的寄生天敌豆柄瘤蚜茧蜂Lysiphlebus fabarum Marshall； 3不为害大豆植株的麦长管蚜的寄生天敌燕麦蚜茧蜂Aphidius picipes Nees。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。