Abstract:

A species of Culicoides and a male Culicoides ruiliensis were newly found during the identification of specimens of the genus Culicoide collected from Tibet and Yunnan: the new species, Culicoides yigongensis sp.nov., and new male C. ruiliensis. The new species is somewhat allied to Cuicoides chengduensis Zhuo et Lee, 1984 and Culicoides liubaensis Liu et Wu, 2005 in the wing spots, but they are distinctly different in the shapes of aedeagus and parameres of male genitalia. The type specimens are deposited in the Shenyang Command Center for Disease Control and Prevention.
1. C. yigongensis sp. nov., (Fig. 1)
The new species is somewhat allied to C. chengduensis Zhuo et Lee, 1984 and C. liubaensis Liu et Wu 2005 in the wing spots, but they are distinctly different in the shapes of aedeagus and parameres of male genitalia.
Male: Wing length 0.95 mm. Eyes without interfacetal hairs； third segment of palpus with sensory pit, palpal ratio(PR)1.80. Wing with 12 pale spots. Ninth stermun with wide and shallow concave， vetral membrane with a few microscopic spicules; back-margin of ninth tergites with apicolateral process, and mid-part with “V” concave; distal portion of aedeagus with a triangular corona, arch height of aedeagus to about 1/3 of total length; parameres separate.
Female: Unknown.
Holotype ♂, Collected on 1991-09-06, from yigong, Bomi county Tibet, China.
2. C. ruiliensis Lee, 1980 (Fig. 2)
Male: Wing lenght 0.90 mm. Eyes with interfacetal hairs； sensilla coeloconica of antenna on 3. 13-15 segments， antennal ratio (AR) 1.04; third segment of palpus with sensory pit, palpal ratio (PR) 2.00. Wing with 9 pale spots. Ninth sternum with wide and deep concave， ventral membrane with a few microscopic spicules; back-margin of ninth tergites with wide “V” concave;aedeagus with mid-part wide, and distal portion columnar, arch height of aedeagus to about 1/3 of total length； parameres separate.
Specimens: 3♂, 2♂ collected on 1985-10-05, from Malipo county, and 1♂ collectedon 1995-09-23, from mengla county Yunnan province, China

Key words: Genus Culicoides, New species, Culicoides ruiliensis, Male

摘要：

在鉴定采自我国西藏自治区和云南省的库蠓标本期间，新发现库蠓属一新种和瑞丽库蠓(Culicoides ruliensis Lee，1980)雄虫。易贡库蠓，新种Culicoides yigongensis sp. nov.。 该新种的翅斑与Culicoides chengduensis Zhuo et Lee， 1984和Culicoides liubaensis Liu et Wu 2005相近似，但这二者雄虫阳茎中叶和阳基侧突的形状与本新种明显不同。瑞丽库蠓新发现雄虫，新种模式标本保存于沈阳军区疾病预防控制中心。

关键词: 库蠓属, 新种, 瑞丽库蠓, 雄虫