Some taxonomical changes in the genus Rhaphium (Diptera,Dolichopodidae), with a key to the Rhaphium albifrons species group.

摘要

The following taxonomical changes in the genus Rhaphium are proposed: Rhaphium fluviatde Vaillantsyn. n. of Rhaphium pectinatum (Becker) nee Rhaphium pectinatum (Loew), Rhaphium sagittiferum Vaillant syn. n. of Rhaphium albifrons Zetterstedt, Rhaphium montium Vaillant syn. n. of Rhaphiumalbomaculatum (Becker), Systenus viklundi Grichanov comb. n, probably a synonym of Systenus bipartitus (Loew). A key to Palaearctic species of the Rhaphium albifrons species group based onmale genitalia characters is provided.