油松球果瘿蚊（Ｃｅｃｉｄｏｍｙｉａｗｅｎｉ）Ｊｉａｎｇ严重危害油松（Ｐｉｎｕｓｔａｂｕｌａｅｆｏｒｍｉｓ）Ｃａｒ．一年生小球果，并可在雄球花序上取食；该虫在辽宁兴城一年发生二代，以蛹在地表越冬。发现其蛹寄生蜂天敌３种，其中中国新记录属新种１种：球果瘿蚊短喙金小蜂（Ｃａｐｅｌｉａｃｏｎｉ）Ｙａｎｇ。越冬代油松球果瘿蚊蛹总寄生率可达２０９％。拟除虫菊酯类和有机磷类药剂均对杀灭其成虫有效，可降低一年生球果受害率４４％～５６％。 Cecidomyiaweni Jiang Severely endangered Pinus tabulaeformis Car. Annual cones, and can be fed on the male ball inflorescence; the worm in Xingcheng, Liaoning, one generation a year to pupate on the surface of the winter. Three species of parasitoids were found in pupae, of which a new species was found in China. One species was new species: Cape. Overwintering on behalf of the oil pine cone pupae parasitic rate up to 20  9%. Pyrethroids and organophosphorus pesticides are effective in killing adults and can reduce the annual damage rate of cones to 44% to 56%.