皱大球蚧Eulecanium kuwanai(Kanda)属同翘目、蜡蚧科、大球蚧属。国外已知分布在日本;国内已知分布在辽宁、河北、山东、山西、宁夏和黑龙江。一、生活史及生活习性1.生活史在哈尔滨,该虫一年发生一代,以Ⅱ龄若虫越冬。翌年4月中旬左右开始出蛰。4月末5月初雌雄明显分化。雄性Ⅱ龄若虫5月中旬进入前蛹期,5月中下旬化蛹。新羽化的雄虫出现于5月中下旬。6月末出现幼虫,9月 Eulecanium kulawanai (Kanda) is the same Alice head, wax scale Division, large ball scale genus. Known in foreign countries in Japan; known to distribute in Liaoning, Hebei, Shandong, Shanxi, Ningxia and Heilongjiang. First, the life history and lifestyle 1. Life history In Harbin, the pest occurs a generation a year to Ⅱ nymphs overwintering. The following year around mid-April began to sting. In late April and early May, the male and female obviously differentiated. Male II instar nymphs enter the pre-pupal stage in mid-May, pupation in mid-May. The newly eclosion male appeared in late May. Larvae appear in late June, September