One new subgenus and one record species of Rhamphomyia (Diptera, Empididae) from China
首发时间:2012-11-06
Abstract:A new subgenus, Sinorhamphomya subgen. nov., of the genus Rhamphomyia from Palaearctic Region is discribed. One species, Rhamphomyia insignis Loew, is reported from China for the first time. The new subgenus is charaterized by the following features: male eyes contiguous on frons; female eyes widely separated on frons, frons with 6 orb; antennal scape distinctly longer than pedicel, first flagellomere much elongated, style about 1/4 as long as first flagellomere; acr irregularly biseriate, short hair-like; dc irregularly biseriate, short hair-like, 1 long posteriormost dc; prosternum with setulae on lateral parts and lower front parts; dical cell in female much elongated discal cell; anal vein reaching wing margin; male abdominal tergites 6-7 modified, each with one pair of angular lateral processes. It is distributed in the Palaearctic Region with only 1 known species. The new record species is characterized by the legs yellow except extreme tips of mid and hind femora blackish, tip of hind tibia black, and all tarsi entirely black, male cercus rather wide basally and long finger-like apically. It is distributed in China and Russia.
keywords: Entomology Diptera Empididae Rhamphomyia China
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中国猎舞虻属一新亚属及一新记录种 (双翅目, 舞虻科)
摘要:本文记述我国猎舞虻属Rhamphomyia一新亚属华猎舞虻亚属Sinorhamphomyia gen. nov.及一新记录种异翅猎舞虻Rhamphomyia insignis Loew。新亚属鉴别特征如下:雄性复眼在额上相接;雌性复眼在额上宽的分开,额具有6根额眶鬃; 触角柄节长明显大于梗节, 第一鞭节显著延长,端刺长约为第一鞭节的1/4; 中鬃不规则的两列,短毛状; 背中鬃不规则的两列,短毛状,仅最后一根背中鬃长; 前胸腹板两侧和前下部有毛; 雌性翅盘室显著延长;臀脉伸达翅缘; 雄性腹部6-7背板特化,各有一对角形侧突。该亚属分布古北区,目前仅已知1种。新纪录种鉴别特征为足黄色,但中后足腿节最末端浅黑色, 后足胫节末端黑色, 所有跗节均全黑色;雄性尾须基部相当宽,端部长指状。该种分布中国和俄罗斯。
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中国猎舞虻属一新亚属及一新记录种 (双翅目, 舞虻科)
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