论文部分内容阅读
新黑地珠蚧Neomargarodes nigerGreen是近年来发现危害花生的一种新的重要害虫。花生是豫东主要经济作物之一,此虫发生面积占栽培总面积的30%以上,仅豫东每年可造成600万元左右的损失。为此,我们于1982—1984年对此虫进行了调查研究,现将结果报导如下:
Neomargarodes nigerGreen is a new important pest found in peanut in recent years. Peanut is one of the major economic crops in eastern Henan. The occurrence area of this pest accounts for more than 30% of the total cultivated area. Only Yudong can cause about 6 million yuan loss each year. To this end, we conducted a survey on the pest in 1982-1984 and now report the results as follows: