瓢虫隐尾跳小蜂Homalotylus flaminius (Dalman) 的初步研究

A PRELIMINARY STUDY ON HOMALOTYLUS FLAMINIUS (DALMAN)

报道了红点唇瓢虫的重要内寄生天敌瓢虫隐尾跳小蜂的生活史、生活习性以及对寄主的影响和防治方法等。经在黑龙江省大庆地区调查表明，对其寄主红点唇瓢虫的寄生率可高达８２％，平均寄生率为５４％，是影响红点唇瓢虫种群数量的主导因子，因而导致红点唇瓢虫对杨圆蚧的控制力大幅度下降。

The present paper reported the life cycle, bionomics, their influenceon the host and the control method of Homalotylus flaminius (Dalman), an important endoparasitic chalcid and natural enemy of Chilocorus kuwanae Silvestri. Investigations in the Daqing Districtrevealed that the parasitic rate of this chalcid on the host may reach as high as 82%, being 54% in average, so that its parasitism may be considered to be the dominant factor, influencing the population number of Chilocorus kuwanae, which, in turn, may lead to significant decrease in the controlling ability of Chilocorus kuwanae on Quadraspidiotus gigas (Thiem et Gerneck), the host of Chilocorus kuwanae.