摘要
Simulium （Simulium） liubaense, sp. nov. is described based on the female specimens collected from Liuba, Shaanxi Province, China. This species is assigned to the variegotum-group of the subgenus Simulium, and is closely related to S. （S.）jingfui Cai and An, 2008, S. （S.） taiwanicum Takaoka, 1979, S. （S.） hackeri Edwards 1928, S. （S.） chamlongi Takaoka and Suzuki, 1984. However it is clearly differentiated from them by the structure of cibarium, genital fork, genital plate, paraproct and cercus of the female. All the specimens are kept in the Medical Entomology Collection Gallery, Academy of Military Medical Sciences, Beijing.
记述采自陕西省留坝地区蚋属蚋亚属Simulium（Simulium）1新种,即留坝蚋Simulium（Simulium）liubaense Liu and An,sp.nov.,对雌虫形态进行了描述并与其近缘种作了比较。模式标本保存在北京军事医学科学院医学昆虫标本馆。留坝蚋Simulium（Simulium）liubaense Liu and An,新种（图1-5）该新种与S.（S.）jingfui Cai and An,2008;S.（S.）taiwanicum Takaoka,1979;S.（S.）hackeri Edwards1928;S.（S.）chamlongi Takaoka and Suzuki,1984近似,但新种的生殖板长条形,两板内缘形成菱形空间,每边生殖板上具6根短粗刚毛;生殖叉突具内突和外突（仅与经甫蚋jingfui相同）;肛上板上面具凹陷;受精囊长圆形;转节和股节棕黄色,与其它近似种明显不同。正模：♀,陕西留坝,985m,1988-Ⅵ-22,刘增加采。
