【Objective】 The male internal reproductive system of planthoppers is studied and illustrated in this research,aiming at providing more useful information for taxonomy and phylogeny of Fulgoroidea.【Method】 The male internal reproductive organs of three planthoppers(Salurnis marginella(Guérin-Meneville) of the Flati-dae,Ricania speculum(Walker) of the Ricaniidae and Lycorma delicatula(White) of the Fulgoridae) are dissected by the stereomicroscope of Leica MZ125 and photoggrahed by the QImaging Retica 2000R C...