Ruchin, A. B. “Biology and Distribution of the Clouded Apollo Parnassius Mnemosyne (Linnaeus, 1758) (Lepidoptera: Papilionidae), a Rare Butterfly in the Republic of Mordovia, Russia”. Journal of Threatened Taxa 10, no. 7 (June 26, 2018): 11980–11983. Accessed September 27, 2021. https://threatenedtaxa.org/index.php/JoTT/article/view/3709.