黑绒金龟子,群众叫路猴子,是旱坡地上的一种主要害虫。喜食幼嫩的树叶、豆类、胡麻等。据我们多年观察,黑绒金龟子以成虫在土中越冬,深度在70厘米下居多,土壤解冻时开始向上移动。候平均气温在10℃以上就大量出土,15℃左右在地面爬行,10℃以下即钻入土中,多在5厘米处潜伏,咬食 Black velvet beetles, the masses called the road monkey, is a major pest on the dry slopes. Eat young leaves, beans, flax and so on. As we have observed for many years, the black velvet beetles winters over adults in the soil at a depth of 70 cm, and the soil begins to move upwards when it is thawed. When the average temperature at 10 ℃ above a large number of unearthed about 15 ℃ crawling on the ground, below 10 ℃ that is drilled into the soil, more than 5 cm at the lurking, bite