Verbenol and verbenone are pheromone of bark beetle.

成蟲可產(chǎn)卵。5日日操免费看毛片。占總數(shù)的 89麻豆福利导航。

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.

由于受通關(guān)時間、檢疫工具的約束欧美A级黄片午夜福利，目前對小蠹蟲的檢疫方法仍主要以"目測网站黃色毛片、手檢"為主，方法比較落后免费无码明星换脸AV网站，容易出現(xiàn)疏漏国产黄在线看片免费人成视频，因此，應(yīng)用新技術(shù)進(jìn)行檢疫已是當(dāng)務(wù)之急图片区小说区自拍区综合区。

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.

通過對秦嶺林區(qū)海拔1600-2200m的中山地帶華山松小蠹蟲種類和生態(tài)位的研究国产av网站人人网，結(jié)果表明：在秦嶺林區(qū)入侵危害寄主華山松的小蠹蟲有19種，其中能構(gòu)成競爭和共存的小蠹蟲主要有11種亚洲女生被插下体免费看网站。

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.

啄木鳥是著名的森林益鳥免费久久性爱视频，除消滅樹皮下的害蟲如天牛幼蟲等以外，其鑿木的痕跡可作為森林衛(wèi)生采伐的指示劑久久国产最新在，因而被稱為森林醫(yī)生国产专区91在线。

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.

啄木鳥啄木鳥是著名的森林益鳥，除消滅樹皮下的害蟲如天牛幼蟲等以外羞羞事网站免费进入，其鑿木的痕跡可作為森林衛(wèi)生采伐的指示劑毛片一级毛片一级毛片一级，因而被稱為森林醫(yī)生。

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

研究結(jié)果表明：(1)根據(jù)有關(guān)成分配制的引誘劑欧美一级高清a视频永久免费，在我國的主要進(jìn)口木材上均能誘捕到小蠹蟲久久九九久精品国产。

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.

他說周六時火警們都非常擔(dān)心大火從北進(jìn)入山里，那里由于干旱和蟲災(zāi)的侵?jǐn)_www交毛片，成千上萬棵樹木變成了易燃物超碰在线看看。

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.

南京農(nóng)業(yè)大學(xué)，農(nóng)業(yè)昆蟲與害蟲防治伊人亚洲精品分类视频，2008年国产男人资源在线观看网站免费，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對于α-蒎烯的兩種同分異構(gòu)體(1S)--α-pinene與R--α-pinene性交网址亚洲视频，測試的3種小蠹蟲均對低濃度(0.0001μL/mL)的(1S)--α-pinene敏感，而對高濃度(10μL/mL)的R--α-pinene敏感yw网站。

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

依然沒來一级二级三级特黄片。你抱著村部黑色的搖把電話