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丽江云杉种子大痣小蜂（ＭｅｇａｓｔｉｇｍｕｓｌｉｋｉａｎｇｅｎｓｉｓＲｏｑｕｅｓｅｔＳｕｎ）属长尾小蜂科（Ｔｏｒｙｍｉｄａｅ）大痣小蜂属（Ｍｅｇａｓｔｉｇｍｕｓ），是云南省西北部地区丽江云杉的主要种实害虫，此害虫在云南省丽江地区１年完成１个世代，主要以末龄幼虫在种子内越冬，每粒种子内只有１条幼虫，幼虫一生仅食１粒种子，无转移危害习性．在整个发育过程中，幼虫取食云杉种子，并在种子内化蛹，成虫羽化时咬破种皮飞出．文中还报道了丽江云杉种子大痣小蜂的形态特征及其生物学特性，提出了防治措施．
Megastigmuslikiangensis RoquesetSun belongs to Megastigmus, which is the main pest of Lijiang spruce in the northwestern part of Yunnan Province. One year after the completion of one year in the area, the late-stage larvae wintering mainly in the seeds. There is only one larva per seed, and the larvae only eat one seed in one lifetime without any habit of metastasis. Throughout the development process, the larvae feed spruce seeds and pupae within the seeds, adult bite seed coat fly out. The article also reported the Lijiang spruce seed macro-mole wasp morphological characteristics and biological characteristics, put forward control measures.