查询词典 bark beetles

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 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。

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.

南京农业大学，农业昆虫与害虫防治，2008年，博士

Large family of bark boring or wood boring short beaked beetles very destructive to forest and trees .

蛀树皮或蛀木头短嘴的甲壳虫；对森林和数破坏严重。

Type genus of the Scolytidae comprising numerous small bark beetles.

由许多棘胫小蠹构成的棘胫小蠹科的模式属。

Any of various small , cylindrical beetles of the family Scolytidae that burrrow along the surface wood directly beneath the bark of trees , causing extensive damage .

棘胫小蠹：棘胫小蠹科的一种圆柱形小甲虫，直接沿着树皮下的树木表层打洞，引起大面积损伤

The findings are similar to those of other recent observations and studies, including one involving bark beetles.

这些发现和近期其他的一些观察研究结果相似。其中包括一份对树皮甲虫的研究。

The findings are similar to those of other recent observations and studies, including one involving bark beetles.

这些发现与其他的新近观察和研究的结果相似，包括涉及树虫。

Large family of bark-boring or wood-boring short-beaked beetles; very destructive to forest and fruit trees.

蛀树皮或蛀木头短嘴的甲壳虫类；对森林和水果数破坏严重。

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。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失