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在林区竹蝗可说是一种历史性害虫,危害十分严重。最近,湖南益阳市和常德市林区竹蝗开始出现危害,相邻地区的林业部门联手制订防治方案,力争把竹蝗的危害损失控制在最低范围之内。竹蝗的发生与环境条件密切相关。一是气候条件。一般高温干燥的年份,即为蝗虫卵孵化最适宜的年份;早春回暖早,孵化亦提早,春寒
Bamboo forest locust can be said to be a historic pest, the damage is very serious. Recently, the bamboo grasshoppers in Yiyang City, Hunan Province and Changde City started to appear harmful. The forestry departments in the adjacent areas jointly formulated the prevention and control plan and tried their best to control the harm loss of the bamboo locust within the minimum range. Bamboo locust occurrence and environmental conditions are closely related. First, the climatic conditions. General high temperature drying year, that is, the most appropriate year of locust egg hatching; Early spring back to early hatch also earlier, cold