舞毒蛾
- Gypsy moth;gypsymoth
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利用Bt防治舞毒蛾效果在80%以上;
Using Bt control the gypsy moth , it 's effect can reach above 80 % ;
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广泛开展生物防治,利用舞毒蛾NPV防治舞毒蛾幼虫,防治效果达70%以上,且易形成流行病,可起到长期控制的作用;
Widely developing biology prevention and cure , using the gypsy moth NPV control the larva of gypsy moth , it 's effect can reach above 70 % , and it can easily form epidemic , then it will have the effect of long period 's controlling ;
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舞毒蛾核型多角体病毒亚致死剂量对舞毒蛾幼虫的影响
Effects of sublethal doses of NPV on larvae of gypsy moth
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黑光灯诱杀舞毒蛾等森林害虫试验
Experiment On Traping And Killing Forest Pest With Black Light
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舞毒蛾性信息素应用技术的研究
Study on applied technique of sex pheromone of gypsy moth
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舞毒蛾卵块序贯抽样技术的研究
Study on the Sequential Sampling of gypsy moth egg mass
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林分因子与舞毒蛾危害程度的风险评估
Stand Description Factors and Risk Analysis of Harm Extent of the Gypsy Moth
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蜘蛛也袭击令人害怕的舞毒蛾。
Spiders also attack the much-feared gypsy moth .
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终将舞毒蛾的种群密度控制在经济允许水平之下。
The species ' density of the gypsy moth will be controlled under economic permitted level .
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舞毒蛾生物学特性和幼虫发生期测报模型的研究
Studies on biological characteristic of Lymantria dispar and the test model about it 's larvae occurrence period
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本文提出了预测舞毒蛾危害造成树木失叶的逻辑斯蒂回归模型。
In this study , we developed a series of logistic regression models for forecasting gypsy moth de-foliation .
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寄生性种类大多是森林、经济林上重要害虫(如松毛虫、舞毒蛾)的天敌,对害虫种群发生数量有显著的控制作用,有可能被利用于森林、经济林害虫的防治;
Most of the parasitic wasps are important natural enemies on various pests of forest . They can control the pest distinctly .
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用这3个因子与舞毒蛾危害程度建立多元线形回归模型,该模型可对舞毒蛾危害程度进行风险评估。
Using the three key factors a multiphase linear regression model was made for risk analysis of the harm extent of the gypsy moth .
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北京地区舞毒蛾天敌昆虫及其自然控制研究
Studies on insect natural enemy diversity of Gypsy month and their role in natural control of the pest ( lepidoptera : lymantriidae ) in Beijing area
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随着温度的升高,舞毒蛾幼龄幼虫的总死亡率、累计死亡率均明显升高,且随着昆虫龄级的增加,幼虫对转基因株系和温度的敏感性逐渐降低。
Larvae increased with increasing temperature , and the sensitivity of larvae to the clones of transgenic hybrid poplar 741 and temperature decreased gradually with the increasing instars .
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首次应用自制的植物性杀虫剂防治舞毒蛾,应用原液防治效果达82.3%,有广阔的应用前景。
Firstly using self-produced plant insecticide control the gypsy moth , it 's controlling effect of origin liquid can reach 82.3 % , and has widely using foreground .
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我国舞毒蛾天敌昆虫已有较系统的报道,但对其天敌昆虫的转主寄主研究和报道较少。
There are many systematic reports on natural enemy of Gypsy moth ( Lymantria dispar ), but studies on its alternate hosts of natural enemy insects are rare .
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舞毒蛾是我国重要森林害虫,对我国森林资源造成了严重破坏,使我国一些地区的生态环境、外贸出口和经济社会发展受到了严重影响。
Lymantria dispar is a main forest pest in our country , which caused serious damage to our forest resources , making the ecological environment , the exports of foreign trade and the development of economic society subjected to severe effect .
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转基因植株的杀虫实验结果表明,转基因植株的杀虫率能达到30%以上。舞毒蛾幼虫发育推迟,15天时处理为4龄,但对照仍为2龄,发育推迟了2个龄期;
The insect feeding test indicated that the development of Lymantria dispar was clearly put off , in which the insects feeded transgenic plants were 2 ages , when the insects as the control were 4 ages after treating 15 days .
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研究了12个影响舞毒蛾危害程度的林分因子,对这些林分因子对舞毒蛾危害程度进行逐步回归分析,从中筛选出主林层郁闭度、土壤瘠薄程度和林地面积3个关键因子。
Stand description factors affecting the harm extent of the Gypsy moth ( Ocneria dispar ) was studied , through stepwise regression analysis from which three significant ones were selected : crown density , infertile extent of soil and forest area .
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结果表明,杏树林害虫群落共有6目25科55种,优势种集中于蚧虫、蚜虫、卷叶蛾等类群及天幕毛虫、舞毒蛾等。
The results show that the insect community in apricot tree stand have 6 orders , 25 families and 55 species , the dominant species concentrate on the group of scale insect , aphids , budworms and common lackey moth , gypsy moth .