Reference
Thomas J. Simonsen, Kent Olsen, Marie Djernaes (2020): The African-Iberian connection in Odonata: mtDNA and ncDNA based phylogeography of Aeshna cyanea (Müller, 1764) (Odonata: Aeshnidae) in Western Palaearctic – Arthropod Systematics and Phylogeny – 78: 309 - 320.