摘要
本文记述了耳叶蝉科角胸叶蝉属一新种直缘角胸叶蝉Tituria rectaCia ct Mo,sp.n.,新记录种楔形角胸叶蝉Tituria cuneata Distant和黑脉角胸叶蝉Tituria nigrivena Cai的雄性。并详细描述了它们的外部形态、雄性外生殖器构造,以及新种与近似种的区别,附有主要特征图。
The present paper describes a new species and two males of other species of the genus Tituria Stal from China. The type specimens are kept in Shandong Agricultural University.Tituria recta Cai et Mo, sp. n. (fig.1)This new species is very similar to Tituria clypeata Cai, but differs in the smaller size, in the posterolateral margins of pronotum almost straight, and in the shape of every element of male genitalia.Length incl. tegm. ♂11.1mm, ♀13.5mm; of crown of head♂2.0mm, ♀2.2mm; Width of head ♂3.0mm, ♀3.5mm; Exp. pronot ang1. ♂3.6mm, ♀4.2mm. Holotype ♂, and paratype 1♂, Kungyushan, Shandong Prov., August 30, 1951; allotype ♀, and paratypes 2♀♀, Taishan, Shandong prov., August 8, 1975, coll. by Mo Tielu.Tituria cuneata Distant, n. r.T. cuneata was described as new to science by Distant only in female, in 1908. The present paper deals with the male of this species.Male: Length incl. tegm. 11.5mm, with of head crown 1.8mm; width of head 3.1mm; Exp. pronot, ang1. 4.6mm. The character of body is similar to the female's, the structure of every element of male genitalia shown as fig. 2.Locality: Xizang Autonomic Region: 5♂, 1♀, Bomi (2750m), August 31, 1981, coll. by Han Yinheng; 5♂, 8♀♀, Linzhi, Sept. 19, 1984, coll. by Qutiao; 2♂, 2♀♀, Moduo(1600-2000m) , August 8, 1982, coll. by Y. H. Han; 4♂, 3♀♀, Zhangmu, Sept. 9, 1981, coll. by Li Aihua.Tituria nigrivena CaiCai, 1990, described this species as new to science based on a female, which was collected from Zhejiang Prov. by Tong Xueshong. Now the male of this species is shown as fig. 3.Male. Length inc1. tegm. 14.7mm, of head crown 2.5mm; Width of head 4.0mm; Exp. pronot, ang1. 5.6mm. The body character is similar to the female's, but the colour is testaceous.Locality: 1♂, Huangshan, Anhui Prov., August 2, 1983, coll, by Mo Tielu.
