摘要
本文通过对沟金针虫在西北地区的分布状况与分布区和非分布区的食物、土壤、温度、降水量、地形和地势等因子的比较和分析，初步认为冬季低温是沟金针虫向北分布的限制因子，其界限温度为一月份平均温度－６℃。
In this paper, the relationship between distribution of Pleonomus canaliculatus Falderman and environmental factors such as food, soil, temperature, and rainfall etc. are analyzed. The result indicate: the northward spread of wheat wireworm is checked by cold winter, denoted by a line of -60 mean temperature in January.
关键词
沟金针虫
限制因子
Pleonomus canaliculatus, Limiting factor, mean temperature in January
