摘要
The present new species Isomyia caudidiversa being based on a unique male is described from Guangxi, China. It belongs to I. viridaurea group, which is characterized by both subcostal and r-stem veins bare below, thoracic calypter lobulate, postalar declivity usually haired in part, etc. However the new species may be distinguished from its congeners by having the male anal cerci separated from each other in apical half. Referring to this character, the new species is named.
叉尾等彩蝇Isomyia caudidiversa Deng et Fan,新种本新种隶金绿等彩蝇群I.viridaureagroup,该群以亚前缘脉及干径脉下面均无小毛、下腋瓣具小叶、翅后坡通常部分有小毛等为特征。然本新种在雄性两肛尾叶端半相互分开而与同群各种均异。新种由此命名。正模:♂,广西平乐县(老炮山),2005-Ⅳ-05,邓耀华采。
