sawfly

Sawfly 's bionomics and control method have also been discussed in this paper .

本文也讨论了落叶松叶蜂的个体生态学和防治方法。

The larch sawfly has one generation per year .

落叶松红腹叶蜂在带岭林区一年发生一代，以老熟幼虫在落叶层下丝茧内越冬。

Effect of Temperature on Growth and Development of Experimental Population of Larch Sawfly

温度对落叶松叶峰实验种群生长发育的影响

Relationship between morphology and resistance to wheat stem sawfly of the spring wheat

春小麦形态与抗麦茎蜂特性的关系

A study on biological characteristics of Larch Sawfly

落叶松红腹叶蜂生物学特性的研究

Life Table of Experimental Population of Larch Sawfly

落叶松叶峰实验种群生命表

The influence of environment on the overwintering larva of wheat stem sawfly

麦茎蜂幼虫休眠越冬期间环境条件对其生存的影响

Among them , Northwest hill of Hebei is the distribution center of sawfly in the province .

其中，冀西北山地丘陵区是京津冀地区叶蜂的分布中心。

These results are the basis of total synthesis of sex pheromone of this kind of pine sawfly .

为此种松叶蜂性信息素的全合成奠定了基础。

Control Threshold Value of Larch Sawfly

落叶松叶蜂的防治阈值

Sawfly Damage to Pine in Zhejiang Province

浙江省为害松树的叶蜂类昆虫

The Population Dynamics and Prediction of Larch Sawfly

落叶松叶蜂的种群动态和预测预报

Synthesis of the Intermediates of Sex Pheromone of Pine Sawfly

松树叶蜂性信息素中间体的合成研究

Fauna of Sawfly from Mangshan National Park in Hunan and Nanling National Park in Guangdong

湖南莽山和广东南岭两国家森林公园的叶蜂区系

Bionomic Strategy and Control Tactics of Larch Sawfly

落叶松叶蜂的生态对策及其防治策略

With the trend towards global warming , it made the harmful levels of wheat stem sawfly for crops was increasing trends .

气候变暖的阶段性趋势使麦茎蜂对麦类等作物的危害程度有加重的趋势；

The caterpillars of the sawfly are also swarming on the pine shoots .

蝇的幼虫亦是群居在松树的嫩枝上。

A NEW SAWFLY INJURIOUS TO CHERRY FROM CHINA ( Hymenoptera : Tenthredinidae )

危害樱桃的一种新叶蜂（膜翅目：叶蜂科丝角叶蜂亚科）

The mechanism of resistance to the wheat stem sawfly should be regarded as a result caused by synthetic factors during the period of plant growth and development .

对小麦抗麦茎蜂机制的研究应从植株生长发育的动态过程进行综合考虑。

Small black sawfly native to Europe but established in eastern United States ; larvae mine the leaves of birches causing serious defoliation .

原产于欧洲但定居在美国东部的黑色小叶蜂；幼虫在桦树的叶子上钻洞导致严重的落叶发生。

The coefficients of canonical discriminant functions showed that the temperature was the most important factor among meteorological factors to forecast the population of the pine sawfly .

典型判别函数表明，温度因子是决定靖远松叶蜂暴发的最主要气象因子。

Studies on Chinese Cephidae : Notes on the species of stem sawfly deposited in Zhejiang Agricultural University ( Hymenoptera : Cephidae ).

中国茎蜂科分类研究&浙江农业大学收藏的茎蜂科种类记述（膜翅目：茎蜂科）

Egg scar patterns of11 species of the conifer sawfly family Diprionidae inYunnan are described and illustrated for the first time .

首次系统记述中国云南省松叶蜂科4属11种的卵痕图案。

Early and late frost , Dedrolimus superans , sawfly and needle cast of larch could reduce the quality and quantity of foods of larch casebearer and had indirect effects on its population density .

早霜、晚霜、松毛虫、叶蜂及落叶松早期落叶病等都能直接影响鞘蛾食物的质量和数量，进而间接地使鞘蛾种群密度降低。