英语释义

• insect whose female has a saw-like ovipositor for inserting eggs into the leaf or stem tissue of a host plant

片语

foxcoloured sawfly松黄叶蜂

willow sawfly柳叶蜂

geum sawfly水杨梅叶蜂

cabbage sawfly菜叶蜂

sawfly y叶蜂

honeysuckle sawfly忍冬叶蜂

hemlock sawfly铁杉叶蜂

larch sawfly落叶松叶蜂

dock sawfly酸模叶蜂

英汉例句

• 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。

• japanes elm sawfly is a kind of main phyllophagous insect to ulmus l.

  榆叶蜂是巴盟榆树的主要食叶害虫,发展速度快、食叶量大,危害严重.

• 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。

• its main results reflected in the first screening of beauveria bassiana, and paecilomyces from matings of beauveria bassiana larch sawfly larvae cocoon, lin pilot effect were 56%, 74%, 70.6%.

  其主要成果体现在首次筛选白僵菌、拟青霉菌和自繁白僵菌防治落叶松叶蜂幼虫、茧，林间试验防治效果分别为56%、74%、70.6%。

• egg scar patterns of 11 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。

• the current situation and problem of the research of insect biodiversity are analyzed and discussed briefly, as well as current situation of the research of sawfly biodiversity in china.

  探讨了昆虫多样性多样性研究现状和存在的问题以及我国叶蜂多样性研究现状。

• this is the first reliable trematothoracin sawfly discovered in china and in the jurassic period.

  这是首次在我国发现可靠的陷胸茎蜂化石,也是该亚科在侏罗纪的首次报道.

• 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；