Zlatkov, Boyan, and Peter Huemer. “Allopatric Cryptic Diversity in the Alpine Species Complex Phtheochroa Frigidana S. Lat. (Lepidoptera: Tortricidae)”. European Journal of Taxonomy0, no. 368 (November 21, 2017). Accessed July 7, 2024. https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/493.