【摘要】 采用黄板诱捕的方法，查得青海东部马铃薯田间的迁飞蚜隶属３科、１２属、１９种。其中已知的主要种类有桃蚜Ｍｙｚｕｓｐｅｒｓｉｃａｅ、萝卜蚜Ｌｉｐａｐｈｉｓｅｒｙｓｉｍｉ、酸模蚜Ａｐｈｉｓｒｕｍｉｃｉｓ等１４种。据观察，该地区薯田的迁飞蚜出现于５月下旬至９月上旬，不同地区的迁飞期随海拔升高而相应推迟，虫种数也趋于减少。更多还原

【Abstract】 The present paper deals with 19 species wing aphids that are haited and catched by using yellow boards in the potato fields on the eastern area of Qinghai privince, which are belonging to 12 genera under 3 families.Among they there are 14 main species that include Myzus persicae, Lipaphis erysimi, Aphis rumicis and so on. By observing, wing aphids of the potato fields in Qinghai emerge from the last ten days of May to the first ten days of September and the occuring period will be postponed because of the raising of altitude. Meantime, the species of aphids trend to decrease.更多还原