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- The Red turpentine bark beetle, Dendroctonus valens LeConte, is an invading pest of pines in China. 摘要红脂大小蠹是我国近年来重要的入侵害虫。
- Red Turpentine Bark Beetle 红脂大小蠹
- Red turpentine beetle (Dendroctonus valens, RTB), which was probably introduced from USA, is one of the most important invasive pests in Chinese forest ecological system. 摘要红脂大小蠹是我国重要的外来入侵害虫,给我国林业生产和国土生态安全带来巨大危害。
- THE mountain bark beetle is a familiar pest in the forests of British Columbia. 山区树皮甲虫是不列颠哥伦比亚省森林里常见的害虫。
- red turpentine beetle(dendroctonus valens) 红脂大小蠹
- Ips and Dendroctonus are regarded as attacking bark beetle and all species bore and damage Pinus. 齿小蠹和大小蠹一样,都被认为是最具进攻性的树皮小蠹,该属小蠹都以松属植物为寄主。
- The Generation and Damage Regulation of Red Turpentine Beetle 红脂大小蠹的发生和危害规律
- The spruce bark beetle is the major tree-killing insect pest of Alaska spruce forests. 云杉树皮甲虫是阿拉斯加云杉树林中危害树木的主要害虫。
- Study on the Resistant Mechanism of Chinese Pine to Red Turpentine Beetle 油松对红脂大小蠹抗性机制的研究
- Scanning Electron Microscope Observation on Antenna of Red Turpentine Beetle (Dendroctonus valens LeConte) 红脂大小蠹成虫触角扫描电镜的观察
- smaller European elm bark beetle 欧洲榆牛蠢
- 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 advances in utilization of pheromones for integrated management of bark beetles are reviewed in this paper. 综述了信息素在小蠹虫综合治理中的应用进展。
- The amylase activity of the three bark beetles species was shown in the following sequence: D. armandi, I. acuminatus, and P. sinensis. 淀粉酶活性大小依次为:油松四眼小蠹>松六齿小蠹>华山松大小蠹。
- The blaze, 50 miles east of Los Angeles, spread rapidly along two fronts and late Saturday threatened to burn explosively dry forests devastated by drought and bark beetles. 位于洛杉矶东面50英里远的这场大火,正朝着两端疯狂肆虐,到上周六为止,严重威胁着当地的干燥林地,这些林地由于干旱面临着被燃烧爆炸危险。
- The semiochemical and its application in quarantine of bark beetle 聚集信息素在小蠹虫检疫中的应用
- A bright red welt rose on his arm. 他的手臂上起了明显的条状红肿。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- As a forestry student in Krakow he'd been trained to manage forests for maximum productivity which included removing "excess" organic litter lest it harbor pests like bark beetles. 作为克拉科夫2的一名林学学生,他接受过专业培训,知道怎样保持森林的最大生产力,其中有一点就是消除“多余的”有机垃圾,以防树皮甲虫之类的昆虫寄生在森林中。
- He wore a red carnation in his buttonhole. 他的扣洞上了一朵红色康乃馨。