小蠹虫

词组短语

bark beetle · cambium beetle · bark beetles

与小蠹虫相关的网络例句 [注：此内容来源于网络，仅供参考]

Bark beetle is one of approximately 220 genera with 6,000 species of beetles in the family Scolytidae, which is the most common and important pest infesting forest.

小蠹虫是鞘翅目小蠹科昆虫的总称，全世界约有220属，6000种左右，是林木害虫中一个极重要类群。

The research theoretically founded the strategy of establishing DNA bar-coding database of bark beetle from imported timber,so as to improve the level of bark beetle species identification.

该研究为进境原木易携带小蠹虫DNA条形码数据库的构建提供了理论依据，可提高对截获小蠹虫的总体鉴定水平。

As the bark beetle damages in the trunk or the inner bark of trees,it can be easily transmitted during international trade in timber and wooden packing material,so the quarantine of bark beetle is very important.

小蠹虫是鞘翅目小蠹科昆虫的总称，全世界约有220属，6000种左右，是林木害虫中一个极重要类群。

Feasibility study on application of DNA bar-coding technology in molecular identification of ScolytideaCO I gene of 15 bark beetle species collected from different regions and host is studied to discuss the feasibility of application of DNA bar-coding technology in Scolytidea molecular identification.

基于线粒体COⅠ基因的DNA条形码技术应用于小蠹科昆虫分子鉴定的可行性研究通过对采自不同地区、不同寄主的15个小蠹虫样本的线粒体COⅠ基因研究，对基于线粒体COⅠ基因的DNA条形码技术应用于小蠹科昆虫分子鉴定的可行性进行了探讨。

In the experiment,EAG technology was used to study the olfactory response of three typical bark beetle species to each one of the semiochemicals at different concentration,and the walking responses of the three species to each one and the different combinations of the semiochemicals were observed by using Y-tube olfactometer.

本研究通过触角电位技术，研究了3种具有代表性的小蠹虫对不同信息化合物及其不同浓度的EAG反应，并结合"Y"型嗅觉仪测定了3种小蠹虫对不同信息化合物及其组合的趋向反应。

Although each of the 11 species of the bark beetle had its own spatial niche and overlogs niche, they could attain competitive equilibrium and coexistance according to their requirment for different nutrition and space, the interference of population density and the different time interval attacking the host tree.

虽然，这11种小蠹虫具有各自不同的生态位宽度，且存在不同程度的生态位重叠，但各小蠹虫可依据其对寄主树木营养和空间需求的不同、种群密度的相互制约，以及入侵寄主树木时序的差异达到竞争的平衡和共存。

Generally,to solve the practical problem of bark beetle quarantine in imported timber and wooden packing material,we carried out the research of semiochemicals-trap application,morphological and molecular identification of bark beetle in this project,and the results would contribute to improving the whole level of bark beetle quarantine.

本研究从解决进境木材及木质包装材料携带小蠹虫检疫的实际问题出发，进行了信息化合物引诱技术在小蠹虫检疫中的应用，以及检疫性小蠹科昆虫形态与分子鉴定等一系列研究，为小蠹虫整体检疫水平的提高奠定了理论与实践基础。

The bark beetle species on Pinus armandi and their niches were studied in the middle areas of Qinling Mountains. The results showed that 19 species of bark beetles infecting and damaging Pinus armandi in pine ecosystem of Qinling Mountains were found, but only 11 species of them could be competitive and coexistent one another.

通过对秦岭林区海拔1600-2200m的中山地带华山松小蠹虫种类和生态位的研究，结果表明：在秦岭林区入侵危害寄主华山松的小蠹虫有19种，其中能构成竞争和共存的小蠹虫主要有11种。

Further more,at present,there are tess systemic professional references about intercepted and captured bark beetle during quarantine in China,so it\'s time to establish a database of morphologic characteristics of bark beetle for quarantine in order to help quarantine inspection officer correctly identify them.Together with DNA bar-coding technique,the database will greatly promote the ability in identifying intercepted and captured bark beetle during quarantine.

此外，由于小蠹科昆虫种类繁多，目前对检疫截获小蠹虫的鉴定工作存在较大困难，且比较系统地反映我国进口货物中截获小蠹虫的专业资料较少，因此，急需建立针对我国进口木材中小蠹虫检疫用的形态图谱以加强检疫人员对其的识别；并通过分子生物学分类技术的研究，辅以DNA条形码技术以提高对其的鉴定水平。

Second,we set the database of morphological characteristics of intercepted and captured bark beetle during quarantine,and the last,we studied the molecular identification of 15 species.The results were showed as below.1.Application of bark beetle semiochemicals in timber quarantine1.1 EAG and walking responses of bark beetle to different semiochemicalsSemiochemicals which can induce the olfactory response and aggregation behavior of bark beetle include host volatile components,pheromones secreted by bark beetles itself or synthesized with host compounds by bark beetles,and the compounds released by tissue of decaying wood under the pressure of microorganism after bark beetle colonization.

信息化合物在小蠹虫检疫中的应用1.1小蠹虫对各种信息化合物的触角电位及嗅觉反应能诱发小蠹虫产生嗅觉反应，进而使之产生聚集行为的信息化合物有很多种，主要包括：树木的挥发性组分；小蠹虫自身产生的信息素和寄生后转化寄主化学物质合成的信息素统称虫体信息素以及树木被小蠹虫寄生后，其组织在微生物作用下释放的物质。

与小蠹虫相关的网络解释 [注：此内容来源于网络，仅供参考]

bark beetle：小蠹虫

bark 胜 | bark beetle 小蠹虫 | bark removal 剥皮

pine bark beetle：松小蠹虫

pine bark 松树皮 | pine bark beetle 松小蠹虫 | pine bark oil 松皮油

barking：剥除树皮

\\"小蠹虫\\",\\"bark beetle\\" | \\"剥除树皮\\",\\"barking\\" | \\"草枭科\\",\\"BARN OELS\\"

Baris deplanata Roelofs：桑姬象鼻虫

\\"羽枝\\",\\"bard\\" | \\"桑姬象鼻虫\\",\\"Baris deplanata Roelofs\\" | \\"小蠹虫\\",\\"bark beetle\\"

Scolytidae：小蠹蟲科

这并不是象鼻虫专有的特徵,一些亲缘关系较近的科别,像长角象鼻虫科(Antribidae)、卷叶象鼻虫科(Attelabidae)、小蠹虫科(Scolytidae)、长小蠹虫科(Platypodidae)、豆象科(Bruchidae)等等,

Stylopidae：蜂蟊科

小蠹虫科 Scolytidae | 分类未定 Incertae saedis | 蜂蟊科 Stylopidae

bark beetles：小蠹虫

barium 钡 | bark beetles 小蠹虫 | barkhan 新月形砂丘

pine bark：松树皮

pine ==> 松,松树,灌木病 | pine bark ==> 松树皮 | pine bark beetle ==> 松小蠹虫

pine bark oil：松皮油

pine bark beetle ==> 松小蠹虫 | pine bark oil ==> 松皮油 | pine barren ==> 松林泥炭地

pine bark beetle：松小蠹虫

pine bark ==> 松树皮 | pine bark beetle ==> 松小蠹虫 | pine bark oil ==> 松皮油