Ommatius: synonyms, new record, redescription of Ommatius erythropus and description of the female of Ommatius trifidus (Diptera: Asilidae: Ommatiinae)

ABSTRACT Ommatius erythropus Schiner, 1867 is redescribed and a lectotype is established. The female of Ommatius trifidus Vieira, Bravo & Rafael, 2010 is described and a new record is provided. Ommatius ruficaudus Curran, 1928 is established as a new synonym of Ommatius pulcher (Engel, 1885). An identification key is presented to the Ommatius costatus species group. A map with the geographic records is provided.

摘要：本文对红足突眼虻（Ommatius erythropus）Schiner, 1867进行了重新描述，并指定其选模标本；对三叉突眼虻（Ommatius trifidus）Vieira, Bravo & Rafael, 2010的雌性个体进行了描述，并提供了该种的新分布记录；将红尾突眼虻（Ommatius ruficaudus）Curran, 1928确立为美丽突眼虻（Ommatius pulcher）(Engel, 1885)的新异名；编制了肋突眼虻种团（Ommatius costatus species group）的鉴定检索表，并附上包含该类群地理分布记录的分布图。