Materials to the Knowledge of Polish Sawflies : The Genus «Dolerus» Panzar, 1801 (Hymenoptera, Symphyta, Tenthredinidae, Selandriinae) : Part IV - «Dolerus ferrugatus» Serville, 1823

World Scientific News, Tom 83 (2017) s. 212-215
Jerzy Borowski, Dawid Marczak