Wang, M.-F., Wang, R.-R., & Xue, W.-Q. (2006).

A review of the H. obtusipennis species-group of the genus Helina R.-D. (Diptera: Muscidae) from the Palaearctic and Oriental regions, with description of one new species

. Zootaxa, 1137(1), 63–68. https://doi.org/10.11646/zootaxa.1137.1.4