Urban greenery aphids (Hemiptera, Aphididae)

by Bennewicz Janina, Barczak Tadeusz, Korczyński Maciej
Published 2013-01-01

Primary parasitoid and hyperparasitoid guilds (hymenoptera) of grain aphid (Sitobion avenae F.) in northern Poland

by Barczak Tadeusz, Dębek-Jankowska Amelia, Bennewicz Janina
Published 2015-01-01

Chalybion Omissum (Kohl, 1889) (Hymenoptera: Sphecidae, Sceliphrini): New Records from the Balkan Peninsula (Southern Bulgaria)

by Olszewski Piotr, Ljubomirov Toshko, Pawlikowski Tadeusz, Barczak Tadeusz
Published 2014-09-01