查询词典 beetle

Verbenol and verbenone are pheromone of bark beetle.

成虫可产卵。5。占总数的 89。

At present, restricted by customs clearance time and quarantine facility, the main method of bark beetle quarantine is to check the cargo with eyes and hand.

由于受通关时间、检疫工具的约束，目前对小蠹虫的检疫方法仍主要以"目测、手检"为主，方法比较落后，容易出现疏漏，因此，应用新技术进行检疫已是当务之急。

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。

Woodpecker is a well-known forest birds that feed, in addition to eradication of pests such as bark beetle larvae than its wood chisel marks can be used as an indicator of forest health logging, which is known as the forest a doctor.

啄木鸟是著名的森林益鸟，除消灭树皮下的害虫如天牛幼虫等以外，其凿木的痕迹可作为森林卫生采伐的指示剂，因而被称为森林医生。

Woodpecker Woodpecker is the famous forest birds that feed, in addition to eradication of pests such as bark beetle larvae than its wood chisel marks can be used as an indicator of forest health logging, which is known as the forest a doctor.

啄木鸟啄木鸟是著名的森林益鸟，除消灭树皮下的害虫如天牛幼虫等以外，其凿木的痕迹可作为森林卫生采伐的指示剂，因而被称为森林医生。

The attractants contain the components of host volatile,bark beetle\'s pheromone and the synthetic components of the host pathogen.

研究结果表明：(1)根据有关成分配制的引诱剂，在我国的主要进口木材上均能诱捕到小蠹虫。

He said firefighters were worried late Saturday about the fire moving farther north into the mountains, where drought and bark beetle infestation have killed thousands of trees -- turning them into kindling.

他说周六时火警们都非常担心大火从北进入山里，那里由于干旱和虫灾的侵扰，成千上万棵树木变成了易燃物。

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

For the two isomeric compounds ofα-pinene,these three tested bark beetle species were sensitive to(1S)--α-pinene of low concentration(0.0001μL/mL) and R--α-pinene of high concentration(10μL/mL).

3对于α-蒎烯的两种同分异构体(1S)--α-pinene与R--α-pinene，测试的3种小蠹虫均对低浓度(0.0001μL/mL)的(1S)--α-pinene敏感，而对高浓度(10μL/mL)的R--α-pinene敏感。

The beetle-browed is covered with the dust of the chilks.

依然没来。你抱着村部黑色的摇把电话

It is also known as one of the most poisonous naturally occurring substances.

它也被称为一个最自然发生的有毒物质。

The greatest stress is found at the location on the cross section where V is the largest.

最大应力出现在横截面上V为最大的地方。