Wang M-F, Wang R-R, Xue W-Q.

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 [Internet]. 2006 Mar. 2 [cited 2025 May 3];1137(1):63–68. Available from: https://www.mapress.com/zt/article/view/zootaxa.1137.1.4