松叶蜂是云南省的重要食叶性害虫。
The conifer sawflies are important defoliators in Yunnan Province.
松叶蜂是云南省森林的重要害虫。
The conifer sawflies are economically important defoliators in the forest in Yunnan Province.
膜翅目叶蜂科叶蜂属新种中国。
膜翅目叶蜂科幼虫的气管具有肺功能。
The tracheae of the larvae of Argidae (Hymenoptera) function as lungs.
苜蓿切叶蜂是为苜蓿授粉最有效的昆虫。
Leafcutter bee is the most efficient pollinator for alfalfa seed production.
本文报道中国扁叶蜂订正名录共计47种。
The present paper reports a revisional list of the Chinese Pamphiliids amounting to 47 species.
鲁中南及鲁东地区是山东省叶蜂的两个分布中心。
Central-south and East of Shandong are the two distribution centers of sawflies in the Province.
榆少锤角叶蜂是严重危害榔榆、白榆叶片的新害虫。
Agenocimbex ulmusvora Yang is a newly discovered insect pest that causes severe damage to leaves of Chinese elm and White elm.
研究了松黄叶蜂幼虫在林内和树冠内南北方位及各小区的分布。
The distribution on Neodiprion sertifer larvae in forests and crowns was studied.
像它的欧洲蜜蜂同类一样，苜蓿切叶蜂容易受到一种叫做“蜜蜂白垩病”的疾病侵袭。
Like their European honey bee relatives, alfalfa leafcutting bees are vulnerable to a disease known as “chalkbrood.”
应用支序系统学原理和方法研究了膜翅目叶蜂总科世界已知427属的系统发育关系。
The phylogeny of the known 427 genera of Tenthredinoidea of world was reconstructed using the principle and methods of cladistics.
1990年以来，落叶松丝角叶蜂在山西省太行山林局为害落叶松林，以幼虫取食当年嫩叶。
Since 1990, Nematus sp. has been found to damage the larch forest in the way that the larva fed on the annual leaves in Taihang Mt. Shanxi province.
该文简要介绍了靖远松叶蜂在山西省的发生与防治概况，并提出了靖远松叶蜂综合治理措施。
Here is a brief introduction of occurrence and control of the insect in Shanxi province, and some integrated control measures put forward to deal with the insect.
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。
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。
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.
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