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’N, 98°60’E), Sichuan, 3900 m, 8. Ⅶ. 1982, by Wang Shu-yong, 1♀, Markam (29°60’N, 98° 50’E), Xizang, 3500m, 12. Ⅷ. 1982, by Zhang Xue-zhong.4. Trichomachimas angustus sp. nov. (figs. 7,8)♂, The present species similar to Tr. obliquus sp. nov., but easily distinguished by male genitalia as in figs. 7, 8, scutellum with yellow marginal bristles, dorsum of thorax with yellow bristles.Length of body 14 mm; of wing 8 mm.Holotype ♂, Zhondian (27°70’N, 99°70’E), Yunnan, 3500 m, 5. Ⅷ. 1981,. by Liao Su-bai.5. Trichomachimus obliquus sp. nov. (figs. 9,10)♂, The present species similar to Tr. angustus sp. nov., but differentiaed in following characters: Upper forceps of male genitalia wider and rounder (figs. 9, 10), marginal bristles of scutellum black, dorsal surface of thorax covered with black hairs and bristles.Length of body 23 mm; of wing 15 mm.Holotype ♂, Barkam (31°90’N, 102°20’E), Sichuan, 2900 m, 18. Ⅷ. 1983, by Zhang Xue-zhong; allotype ♀, Lincang (23°80’N, 100°E), Yunnan, 1800m, 20. Ⅶ. 1980, by Liu Yun-chuan; paratypes 2♂♂,l♀, Yunnan, 1♂, Lijiang (26°80’N, 100°20’E), Yunnan, 2800 m, 24. Ⅶ. 1984, by Wang Shu-yong.6. Trichomachimas grandis sp. nov. (fig. 6)♂, This species similar to Tr. nigricornis sp. nov., but dorsum of scutellum covered with black hairs, face mainly bearing yellow fine hairs. Male of genitalia as in fig. 6.Length of body 20 mm; of wing 16 mm.Holotype ♂, Weixi (27°10’N, 99°20’E), Yunnan, 2400m, 25. Ⅶ. 1981, by Wang Shu-yong; allotype ♀, locality ibid.; paratypes l♂, Wenchuan (31°40’N, 103°60’E), Sichuan, 3400 m, 9. Ⅷ. 1983, by Chai Huai-cheng, 1♂, Wenchuea. (31°40’N. 103°60’E), Sichuan, 2700 m, 9. Ⅶ. 1983,by Wang Shu-yong, 1♂, Zhaotong (27°30’N, 103°70’E), Yunnan, 8. Ⅶ. 1980, 1♂1♀, Yunnan, 18. Ⅶ. 1980.7. Trichomachimas nigricornis sp. nov. (fig. 11)♂, The present species similar to Tr. basalis Oldroyd, but dorsum of scutellum covered with yellow hairs, face mainly with yellow fine hairs.Length of body 19 mm; of wing 14 mm.Holotype ♂, Weixi (27°10’N, 99°20’E), Yunnan, 2400 m, 25. Ⅷ. 1984, by Wang Sh
出处
《动物分类学报》
CSCD
1992年第4期458-472,共15页
Acta Zootaxonomica Sinica
