Two new species of Potamothrix (Oligochaeta: Tubificinae) from plateau lakes of Yunnan Province, southwest China

Yongde Cui; Hongzhu Wang

doi:10.2988/11-32.1

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Yongde Cui,¹ Hongzhu Wang¹

¹(YDC, HZW) State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology,

Abstract

Two new species of Potamothrix (Oligochaeta: Tubificinae), P. rhytipeniatus, new species and P. aductus, new species, are described from Fuxian Lake and Xingyun Lake of Yunnan Province, southwest China. Potamothrix rhytipeniatus differs from congeners by its wrinkled penis surface and vasa deferentia entering the atrium subapically. Potamothrix aductus is distinguishable from all congeners by lacking a spermathecal duct. Hitherto, 31 species of freshwater oligochaetes have been recorded from Yunnan Province, including seven endemic species from plateau lakes.

Citation Download Citation

Yongde Cui and Hongzhu Wang "Two new species of Potamothrix (Oligochaeta: Tubificinae) from plateau lakes of Yunnan Province, southwest China," Proceedings of the Biological Society of Washington 125(1), 12-17, (1 April 2012). https://doi.org/10.2988/11-32.1

Published: 1 April 2012