A flea
雌虫 雄虫 蓑蛾具有明显的雌雄二型现象， 雌虫无翅，几乎终生袋居。雌雄 交配后，卵即在雌体内发育
Current studies The scientific study on the related wasps began in the late of 1930’s in China. Dr. Liu Chongle published first research paper on these group in 1941. Three books and some papers have been published on the classification of Chinese thinwaist wasps (Li, 1982, 1985; Wu & Zhou, 1996) during past