摘要
在整理近年来采自四川省西部地区的蝇科标本时,发现阳蝇属helina R.-D.二新种,描述如下。模式标本存于沈阳师范学院生物系。 1、角板阳蝇Helina angulisternita新种,(图1) 体长:6.5毫米。雄复眼具零星的短纤毛(几乎是裸的),额宽为头宽的1/7,间额绒黑色,为一侧额4倍宽,侧额缺粉被,其下半部具5对下眶鬃,无上眶鬃;侧额和颊具灰色粉被,侧颜约为触角宽的1.75倍,触角黑色,第三节长为宽的3倍,芒具长纤毛,
Among the specimens collected from mountainous region in the Ya'an Prefecture of Sichuan Province during the last few years, there have been found two new species of muscid Flies, belonging to the genus Helina R.-D. The types are kept in the Department of Biology, Shenyang Normal College.1. Helina angulisternita, sp. nov. (fig. 1)Type-locality: Mount Erlangshan in Sichuan Prov., China.This species resembles Helina luteisquama (Zett., 1845), especially in male but differs as follows: 2. Helina bibreviplumosa, sp.nov. (fig. 2)Type-locality: Hanyuan and Erlangshan, Sichuan, China.It somewhat resembles Helina balsaci (Seguy, 1946), but differs from the latter in the frons of male rather narrow, interfrontalia black, antennae and palpi dark browm to black; mid femur with a complete row of bristles on the posteroventral surface, hind tibia with 7 to 8 bristles on the anteroventral surface, and with a row of long setae on the middle part of the posteroventral surface.
