László, Z., Lakatos, K.T. and Dénes, A.-L. 2021. A new species of Mesopolobus (Hymenoptera, Pteromalidae) from black locust crops. European Journal of Taxonomy. 740, 1 (Mar. 2021), 118–137. DOI:https://doi.org/10.5852/ejt.2021.740.1285.