栎空腔瘿蜂Trichagalma glabrosa Pujade-Villar&Wang在安阳1 a发生1代,以成虫越冬。有性世代成虫出现在4月中旬,产卵于栓皮栎Quercus variabilis嫩叶侧脉上,幼虫孵化后刺激叶脉产生球状虫瘿并在虫瘿内取食危害,幼虫于9月上旬开始化蛹,11月上旬成虫羽化出孔。虫瘿饲养观察发现,栎空腔瘿蜂有3种寄生性天敌:长尾小蜂Torymus sp.、刻腹小蜂Ormyrus sp.和旋小蜂Eupelmus sp.;2种寄居昆虫Synergus sp.和Cuyculio sp.。 Trichagalma glabrosa Pujade-Villar & Wang occurred in the 1st generation of Anyang 1 a and died as adults. Sexual adults appear in mid-April and lay their eggs on the lateral veins of the young leaves of Quercus variabilis. After hatching, the larvae stimulate the veins to produce globular larvae and feed on the insects. The larva begin pupation in early September, Early November insect emergence hole. According to the feeding observation of the galls, three kinds of parasitic natural enemies: Torymus sp., Ormyrus sp. And Eupelmus sp., Two parasitoid Synergus sp. And Cuyculio sp