Xue, Wanqi, and Sun Hongkui. 2015. “Diagnosis and Key for the Helina Subpubiseta-Group (Diptera: Muscidae) from China, With Descriptions of Eight New Species”. Journal of the Entomological Research Society 17 (2):17-37. https://entomol.org/journal/index.php/JERS/article/view/804.