Materials to the knowledge of Polish sawflies. The genus Dolerus Panzer, 1801 (Hymenoptera, Symphyta, Tenthredinidae, Selandriinae). Part V – Dolerus madidus (Klug, 1818)
ABSTRACT The paper presents historical and new faunistic data concerning the occurrence of Dolerus madidus (Klug, 1818) in Poland, supplemented ...