Pauly, Alain. “Three New Species of Eupetersia Blüthgen 1928 (Hymenoptera, Halictidae) from the Oriental Region”. European Journal of Taxonomy0, no. 14 (May 24, 2012). Accessed April 25, 2024. https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/81.