Notes on the distribution of the genus Esolus Mulsant & Rey, 1872 (Coleoptera, Elmidae) in the Himalaya and China with description of a new species

Esolus fodingshanus sp. nov . is described from the Fodingshan National Nature Reserve and the Fanjingshan Nature Reserve in Guizhou, southwestern China. The genus Esolus Mulsant & Rey, 1872 hitherto comprised 11 described species, which are distributed almost exclusively in the western Palearctic region, with one species, E. nepalensis Jäch, 1982, occurring in the Himalaya. The new discovery represents the first record of this genus from China and East Asia. Esolus nepalensis is here recorded from India (Uttarakhand) and Bhutan for the first time.