The results of the experiments shows that the larvae density of Liriomyza huidobrensis significantly affected parasitism of Opius flavus Weng et Chen.

• 实验结果表明,南美斑潜蝇幼虫的密度,对黄色潜蝇茧蜂的寄生作用有一定程度的影响,随寄主幼虫密度的增加,被寄生的幼虫数量相对变少。