Materials to the Knowledge of Polish Sawflies : The Genus «Dolerus» Panzar, 1801 (Hymenoptera, Symphyta Tenthredinidae, Selandriinae) : Part VIII - «Dolerus bimaculatus» (Geoffroy, 1785)

World Scientific News, Tom 87 (2017) s. 233-237
Jerzy Borowski, Dawid Marczak