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了解粘虫越冬分布,对提供迁飞线索,予测予报,搞好防治意义很大。为此,我们于1978年1月26日至2月11日在巧家县金沙江畔河谷地带的新华公社金江大队和咪吐大队,由海拔700米至2500米这段地区,进行了调查。一、越冬粘虫的垂直分布从海拔700米——2500米都有越冬粘虫存在(见表1)。通过以小麦为主要对象的调查,在215亩面积上,检查371个平方米的结果,查获各种粘虫832头,平均每平方米有虫2.22头,折每亩1481头,最
Understand the distribution of armyworms overwintering, to provide clues to move, to be reported to the newspaper, do a good job in prevention and treatment of great significance. To this end, we conducted a survey on the Xinhua Commune Jinjiang Battalion and Miumu Battalion from January 26, 1978 to February 11, 1978 in the valley along the Jinsha River in Qiaoxia County from an altitude of 700 to 2500 meters . First, the vertical distribution of overwintering armyworm From the elevation of 700 meters - 2500 meters have the presence of winter armyworm (see Table 1). Through surveys with wheat as the main target, the results of 371 square meters were checked on an area of 215 mu. A total of 832 armyworm swarms were seized, with an average of 2.22 insects per square meter and an average of 1481 heads per acre.