A revision of the lotic genus Potamyia BANKS 1900 (Trichoptera: Hydropsychidae) with the description of eight new species Author Oláh, J. Author P. C Author Malicky, H. text Linzer biologische Beiträge 2006 2006-07-21 38 1 739 777 journal article 10.5281/zenodo.5433978 0253-116X 5433978 Potamyia ovalis GUI & YANG (Fig. 15) Potamyia ovalis GUI & YANG 1999: 20 , Holotype : China , Yunnan Province , Nanlan River , 2 km south of Daluo town of Menghai County , 620m , 22 July 1995 , ( Sun Changhai & Wang Beixin ).