温湿度也是影响红脂大小蠹发生轻重的主要因子之一。
Temperature and humidity also affect the activity of the red turpentine beetles.
红脂大小蠹是我国一种危害油松等松树的外来入侵物种。
Dendroctonus valens is a dangerous insect pest of several pine species in China.
采用标准地调查和单株调查的方法，研究了红脂大小蠹的发生和危害规律。
The generation and damage regulation of red turpentine beetle (Dendroctonus valens) are studied with the method of sample plot and tree-by-tree survey.
营造混交林、加强林木管理、控制虫源、引进并保护和利用天敌是控制红脂大小蠹的有效措施。
The pest's controls, such as mixed forest, forest tree management, or introduction and protection of its natural enemy, are effective measures.
红脂大小蠹寄生的树木和新伐桩有分层抽样的必要及其空间分布格局经拟合为负二项聚集分布。
It is necessity that stratified sampling is used to investigate to the trees and the new stumps, and the spatial distributing pattern of the red turpentine beetles was Negative Binomial Distribution.
红脂大小蠹寄生的树木和新伐桩有分层抽样的必要及其空间分布格局经拟合为负二项聚集分布。
It is necessity that stratified sampling is used to investigate to the trees and the new stumps, and the spatial distributing pattern of the red turpentine beetles was Negative Binomial Distribution.
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