中国三叉食虫虻属的记述(双翅目:食虫虻科)  

NOTES ON THE GENUS TR1CHOMACHIMUS ENGEL FROM CHINA (DIPTERA: ASILIDAE)

作　　者：史永善[1] 

机构地区：[1]中国科学院动物研究所,北京100080

出　　处：《动物分类学报》1992年第4期458-472,共15页Acta Zootaxonomica Sinica

摘　　要：本文记述三叉食虫虻属Trichomachimus Engel 11个新种。管三叉食虫虻 Tr.tubus sp. nov.,粉斑三叉食虫虻 Tr.maculatus sp.nov.,红三叉食虫虻 Tr.rufus sp.nov.,黑跗三叉食虫虻Tr.nigritarsus sp.nov.,缘毛三叉食虫虻 Tr.marginis sp.nov.,狭三叉食虫虻 Tr.angustus sp. nov.,斜三叉食虫虻 Tr.obliquus sp.nov.,大三叉食虫虻 Tr.grandis sp.nov.,黑角三叉食虫虻Tr.nigricornis sp.nov.,细三叉食虫虻 Tr.tenuis sp.nov.,长三叉食虫虻 Tr.elongatus sp. nov.,分布于我国四川、云南、西藏横断山地区。The present paper deals with 16 species of the genus Trichomachimus Engel collected from China. Among them 11 are described as new to science. All the type specimens are deposited in the Institute of Zoology, Academia Sinica, Beijing.1. Trichomachimus elongatus sp. nov. (figs. 3,4)♂, This species seems to be allied to Tr. conjngus Shi, but easily distinguished by scutellum clothed with yellowish hairs dorsally. Male genitalia as in fig. 4.Length of body 19 mm; of wing 13mm.Holotype ♂, Markam (29°60’ N, 98°50’E), Xizang, 3250 m, 11. Ⅷ. 1982, by Chai Huai-cheng; paratypes 2♂♂, Zhondian (27°70’N, 99°70’E), Yunnan, 3100m, 9. Ⅷ. 1981, by Zhang Xue-zhong, 1♂, Zhongdian (27°70’N, 99°70’E), Yunnan, 3200 m, 2. Ⅷ. 1984, by Wang Shu-yong, 1♂, Markam (29°60’N, 98°50’E), Xizang, 3200 m, 9. Ⅷ. 1982, by Wang Shu-yong.2. Trichomachimus tennis sp. nov. (figs. 1,2)♂, This species similar to Tr. elongatus sp. nov., but distinguished from that by thorax clothed with black hairs behind the transverse suture, dorsal surface of scutellum covered with black thin hairs and black marginal bristles, in which mixed with several yellowish bristles. Male genitalia illustrated as in fig. 2.Length of body 20 mm; of wing 14mm.Holotype ♂, Bomi (29°80’N, 95°70’E), Xizang, 3050m, 9. Ⅸ. 1982, by Han Yin-heng; paratype 1♂, locality ibid.3. Trichomachimus tabus sp. nov. (fig. 5)♂, This new species similar to Tr. nigrus Shi, but easily distinguished by sternites of abdomen covered with yellow hairs, pulpi black and with black hairs, abdomen dumpy, first tergite with yellowish hairs, 2nd-8th with deep red hairs. Male genitelia as in fig. 5.Length of body 15 mm; of wing 13 mm.Holotype ♂, Zogang (29°60’N, 97°80’E), Xizang, 3. Ⅶ. 1976, byZhangXue-zhong; allotype ♀, Garze (31°80’N, 99°90’E), Sichuan, 3650 m, 1. Ⅶ. 1983, by Zhang Xue-zhong; paratypes 6♀♀, Garze (31°80’N, 99°90’E), Sichuan, 3650 m, 1. Ⅶ. 1983, by Wang Shu-yong and Zhang Xue-zhong, 1♀ ,Dege (31°80’

关 键 词：双翅目 食虫虻科 三叉食虫虻属 

分 类 号：Q969.449.4[生物学—昆虫学]