First records of the crane fly genus Helius Lepeletier & Serville (Diptera, Limoniidae) in Guangxi, China with description of one new species.

The genus Helius Lepeletier & Serville, 1828 is recorded in Guangxi, China for the first time with the following three species belonging to the subgenus H. (Helius): H. (H.) damingshanus sp. nov. , H. (H.) nipponensis (Alexander, 1913) and H. (H.) stenorhynchus stenorhynchus Alexander, 1954. Among them, H. (H.) stenorhynchus stenorhynchus is also a new record in China. Their descriptions and illustrations, as well as the first key to Chinese H. (Helius) crane flies, are presented.