Reference

Thomas J. Simonsen, Marie Djernaes, Ole Fogh Nielsen, Kent Olsen (2023): The Grasshopper Paradigm in damselflies: evidence for phalanx-like postglacial recolonization of Europe from a Balkan refugium in Platycnemis pennipes Pallas (Odonata: Zygoptera: Platycnemidae) – Arthropod Systematics and Phylogeny – 81: 1019 - 1029.