Chalcosyrphus longus Coquillett, 1898
| Report on a collection of Japanese Diptera, presented to the U.S. national museum by the Imperial University of Tokyo D W Coquillett (1898) Proceedings of the United States National Museum 21: 301-340 | |
| Neue Dipteren meiner Sammlung T Becker (1920) Mitteil. Zool. Mus. Berlin 10: 1-93 |