Gustafsson, Daniel R., Tomas Najer, Fasheng Zou, and Sarah E. Bush. “New Species of Philopterus Nitzsch, 1818 (Ischnocera: Philopteridae), With Notes on Cypseloecus Conci, 1941”. European Journal of Taxonomy 790, no. 1 (February 4, 2022): 1-52. Accessed April 28, 2024. https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1641.