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humeral pits
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     O? Cl - was found in the corrosion pits.
     O、C、Cl-在坑内富集 ,表明Cl-仍是引起试样局部腐蚀加剧的主要原因之一
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     Maintenance of Manmade Aged Pits
     人工老窖的保养与维护
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     Separation of the Distal Humeral Epiphysis
     肱骨远端骨骺分离的诊治
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     Two cases of humeral varus
     肱内翻2例
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In this paper four new species of Rheocricotopus are described and R. effusus (WaJker) is recorded for the first time from China. The type specimens are deposited in the Biology Department of Nankai University.Rheocricotopus tibialis sp. nov. (fig. 1)Imago male: Darkbrown, body length about 3 mm. AR 0.46. Antepronotum with 3-4 lateral setae. Humeral pits large and ovoid. LR1 0.9, LR2 0.65, LR3 0.6. Wing length 2mm, anal lobe strongly reduced. Squama with 1 setae. Costa extension long 104 urn. R with 9 setae.Abdomen...

In this paper four new species of Rheocricotopus are described and R. effusus (WaJker) is recorded for the first time from China. The type specimens are deposited in the Biology Department of Nankai University.Rheocricotopus tibialis sp. nov. (fig. 1)Imago male: Darkbrown, body length about 3 mm. AR 0.46. Antepronotum with 3-4 lateral setae. Humeral pits large and ovoid. LR1 0.9, LR2 0.65, LR3 0.6. Wing length 2mm, anal lobe strongly reduced. Squama with 1 setae. Costa extension long 104 urn. R with 9 setae.Abdomen with segments Ⅰ and Ⅴ yellow, the other segments black. Anal point slender, with 5 lateral setae (each side), apical half bare. Superior volsella nearly rightangled. Crista dorsalis of gonostylus absent,Holotype ♂: Sichuan Province (Mt. Jinfo, 29.0°N, 107.1°E, 1800 m.), 9-Ⅴ-1986.Allies to R. godavarius Lehmann, 1969 in Nepal in having bicolored abdomen and un-usual LR (LR3 LR2), but differs in: larger AR, with squama fringe, without crista dorsalis and larger humeral pits. Also allies to R. nepalensis Lehmann, 1969 in Nepal in similar hy-popygium structure, but the latter have single black abdomen coloration and much shorter C extension.Rheocricotopus bifasciatus sp. nor (fig. 2)Imago male: Total length 2.7 mm. AR 0.9. Antepronotum with 5 lateral setae. Humeral pit distinct and ovoid. LR1 0.85, LR2 0.63, LR3 0.64. Wing length 1.9 ram. Costa extension 83 μm. long Squama with 2 setae, R with 8 setae.Abdomen black, with segment Ⅰ, Ⅱ and Ⅳ yellow. Anal point rather slender, each side with 5 lateral setae. Superior volsella comparatively large, subrectanglar, apex pointed slightly bending inward. Gonostylus with a small ovoid preapical crista dorsalis.Holotype ♂: Sichuan (Mt. Jinfo, 29.0°N, 107.1°E, 1800 m.), 9-Ⅴ-1986. Paratype 1♂, same as holotype.Allied to R. godavarius Lehmann, 1969 and R. nepalensis Lehmann, 1969 in having very long Costal extension and narrow anal area. Showing more close affinity with godavarius on account of the structure of gonostylus and bicolored abdomen, but with larger humeral pit, larger AR, the shape of superior volsella, the anal point and the squama fringe also diffrentRheocricotopus brachypus sp. nov. (fig. 3)Imago male: Darkbrowm. Total length 2.1 mm. AR 0.43. Apex of last antennal segment expanded. Legs with shorter length. LR1 0.69, LR2 0.47, LR3 0.56. Antepronotum with 1 setae. Dorsocentrals 6. Humeral pit absent. Wing length about 1.4mm. Anal lobe distinct, squama with 5 setae, Costal extension 45 μm. long. R with 2 setae. Apex of anal point blunt, each side with 2-3 lateral setae. Superior volsella broad with rounded apex. Gonostylus with a large triangular crists dorsalis, megasetae long.Holotype ♂: Guangdong Province (Fengkai County, 23.4°N, 111.4°E) 12-Ⅳ-1985.Allies to R. tamabrevis Sasa, 1983 in Japan in AR, LR, squama fringe, but differs in lak-ing humeral pit, the shape of anal point and crista dorsalis.Rheocricotopus baishanensis sp. nov.(fig. 4)Imago male: Darkbrown insects with pale abdomen. AR 1.1. Antepronotum with 2 setae. Dordocentrals 7. Humeral pit large and ellopsoid. LR1 0.74, LR2 0.53, LR3 0.57. Wing length 1.84mm. anal lobe distinct, with 7 squama setae. C extension 40 μm. long. R with 5 setae.Anal point blunt with 2 lateral setae. Gonocoxite with well developed tooth-like caudo-mesal projection. Superior volsella simple without apex projection. Gonostylus laking crista dorsalis.Holotype ♂: Jilin Province (Mt. Changbai, 42.0°N, 128.1°E), 23-Ⅵ-1986.Allied to R. effusus in AR, LR, but laking crista dorsalis and the shape of anal point, superior volsella, caudomesal projection and humeral pit also different.Rheocricotopus effusus (Walker) (fig. 5)New record from China. Locality: Sichuan Province (Mt. Jinfo, 29.0°N, 107.1°E), 9-Ⅴ-1986.

本文记述了中国产趋流摇蚊属Rheocricotopus4新种及1新纪录种:长胫趋流摇蚊R.tibialis sp.nov.四川,金佛山。二带趋流摇蚊R.bifasciatus sp.nov.四川,金佛山。短足趋流摇蚊R.brachypus sp.nov.广东,封开。白山趋流摇蚊R.baishanensis sp.nov.吉林,长白山。铺展趋流摇蚊R.effusus(Walker)四川,金佛山。

There were seven types of antennal sense organs including sensilla coeloconica, sensilla campanulate, sensilla orbiculate, sensilla basiconica, sensilla trichodea, sensilla trichodea and antennal hair in culicoides by scanning electron microscope observation. The patterns of the sense organs on the antennae were described and compared. It was found that the type, number and patterns of the sense organs were different between C. arakawae and C. schultzei , and sensilla coeloconica could be used to discriminate...

There were seven types of antennal sense organs including sensilla coeloconica, sensilla campanulate, sensilla orbiculate, sensilla basiconica, sensilla trichodea, sensilla trichodea and antennal hair in culicoides by scanning electron microscope observation. The patterns of the sense organs on the antennae were described and compared. It was found that the type, number and patterns of the sense organs were different between C. arakawae and C. schultzei , and sensilla coeloconica could be used to discriminate the two species of biting midges. The humeral pits of the same species of midges varied, but the two species of midges had same patterns of maxpalpal sensilla.

利用扫描电镜对荒川库蠓 (Culicoidesarakawae)和尖喙库蠓 (C .schultzei)的触角及其感觉器、肩窝和触须感觉器进行了研究 在触角上共发现七类感觉器 ,即腔锥感器、钟形感器、球状感器、锥形感器、毛簇感器、毛状感器和触角毛 比较研究发现 ,两种库蠓之间触角感觉器的种类、数量、排列及分布均有差异 ,其中腔锥感器具有种间鉴别意义 ;肩窝不具有种内的稳定性 ;触须感觉器不具有种间差异

 
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