Shapoval, Nazar A., Galina N. Shapoval, and Anatoly P. Shapoval. 2022. “New, Rare and Vagrant Damselflies and Dragonflies (Insecta: Odonata) in the Kaliningrad Oblast, North-Western Russia”. Acta Biologica Sibirica 8 (September), 261–279. https://doi.org/10.5281/zenodo.7703376.