Notes on two nests of <i>Ancistrocerus oviventris</i> (Wesmael, 1836), with new records of its prey and brood parasites (Hymenoptera: Vespidae: Eumeninae)
Journal: The European Zoological Journal
Year: 2023

Two nests of Ancistrocerus oviventris (Wesmael, 1836) are described. One nest from Poland was attached to a concrete fence and consisted of 10 mud cells. The second nest from the Crimea was attached to a stone and consisted of three mud cells covered with an additional layer of mud and gravel particles. Females provisioned their cells with moth caterpillars of the families Crambidae and Depressariidae; 5–13 caterpillars were stored per cell. A chalcid wasp Monodontomerus aeneus (Fonscolombe, 183