Śliwińska, E.B., Martyka, R., Cichoń, M. and Tryjanowski, P. 2019. Wolbachia infection and parasitoid occurrence among plant-feeding caterpillars of the endangered butterfly Phengaris teleius (Lepidoptera: Lycaenidae) in southern Poland. Entomologica Fennica. 30, 1 (May 2019), 20–27. DOI:https://doi.org/10.33338/ef.79902.