Wings of representatives of the genera Nipponeurorthus Nakahara and Sinoneurorthus Liu, H. Aspöck & U. Aspöck. a. Nipponeurorthus fasciatus Nakahara, male, Taiwan: Nantou (Photo H. Bruckner); b. Nipponeurorthus fuscinervis (Nakahara), Japan: Aomori (Photo X. Liu); c. Nipponeurorthus damingshanicus Liu, H. Aspöck & U. Aspöck, female paratype, China: Guangxi (Photo X. Liu); d. Nipponeurorthus furcatus Liu, H. Aspöck & U. Aspöck, male paratype, China: Yunnan (Photo X. Liu); e. Nipponeurorthus flinti U. Aspöck & H. Aspöck, male, Japan: Amamioshima (Photo X. Liu); f–g. Nipponeurorthus pallidinervis Nakahara, f: male paratype, g: female paratype, Japan: Hokkaido (Photo H. Bruckner); h. Nipponeurorthus multilineatus Nakahara, male, Taiwan (Photo H. Bruckner); i. Nipponeurorthus punctatus (Nakahara), male, Japan (Photo X. Liu); j. Nipponeurorthus tinctipennis Nakahara, male, Japan: Yakushima Island (Photo X. Liu); k. Sinoneurorthus yunnanicus Liu, H. Aspöck & U. Aspöck, female holotype, China: Yunnan (Photo X. Liu). Abbreviations. A – Analis; C – Costa; CuA – Cubitus anterior; CuP – Cubitus posterior; MA – Media anterior; MP – Media posterior; R – Radius; Rs – Radial sector; Sc – Subcosta. Scale bars: 1.0 mm.