E. B. Śliwińska, R. Martyka, M. Cichoń, and P. Tryjanowski, “Wolbachia infection and parasitoid occurrence among plant-feeding caterpillars of the endangered butterfly Phengaris teleius (Lepidoptera: Lycaenidae) in southern Poland”, Entomol. Fennica, vol. 30, no. 1, pp. 20–27, May 2019.