Three New Species of the Genus Scaphoideus (Homoptera: Cicadellidae: Euscelinae) from Yunnan

This paper describes three new species of genus Scaphoideas from Yunnan province. China. Type specimens are deposited in the Institute of Entomology, Guizhou University. 1. Scaphoideas trimaculatus Wang et Li, sp. nov. (Figs. 1~7) Length (incl. teg.): ♂6.8 mm, ♀7.0~7.2 mm. This species is closely related to Scaphoideus bimaculatus Li et Wang, but differs in the following aspects: body larger; vertex with three black spots: end of aedeagus wih two processes. Holotype ♂, paratypes 4♀♀, Yingjiang (2425N, 9756E), Yunnan Province, 20-Ⅵ-2002, coll. by LI Zi-zhong and YANG Mao-fa. 2. Scaphoideus yingjiangensis Wang et Li, sp. nov. (Figs. 8~13) Length (incl. teg.): ♂4.8~5.0 mm, ♀5.0~5.2 mm. This new species is smilar to Scaphoideus festivus Matsumura in appearance, but can be distinguished from the latter by pygofer side rectangle, paraphyses terminally parallel, aedeagus tongue-shape. Holotyp ♂, paratype 1♂, Yingjing (2425N, 9756E), Yunnan Province, 15-Ⅵ-2002, coll. TIAN Ming-yi, 2♀♀, locality as holotype, 20-Ⅶ-2002, coll. LI Zi-zhong. 3. Scaphoideus windeaedeagus Wang et Li, sp. nov. (Figs. 14~19) Length (incl. teg.): ♂6.0 mm. This new species resembles Scaphoideus bimaculatus Li et Wang, but can be distinguished from the latter by vertex with a inverse T-shaped pale stripe, aedeagus wider, the end of style teeth-like. Holotype ♂, Tengchong (249N, 9830E), Yunnan Province, 14-Ⅶ-2002, coll. DAI Ren-huai.