Omalus Sculpticollis As The Main Enemy Of Psenulus Fuscipennis (Hymenoptera: Chrysididae, Crabronidae) In The Crimea, Ukraine Author Martynova, K. V. Author Fateryga, A. V. text Vestnik Zoologii 2014 2014-02-01 48 1 11 26 http://dx.doi.org/10.2478/vzoo-2014-0002 journal article 20018 10.2478/vzoo-2014-0002 e88998e1-da5e-43f9-bd14-b625d271dd9b 2073-2333 6403889 Melittobia acasta Walker, 1839 Melittobia acasta overtook 7.7 % of P. fuscipennis cells and the pressure exerted on the host population is less considerable than the one exerted by O. sculpticollis . M. acasta attacked also 14 cells (15.9 %) containing O. sculpticollis larvae. Consequently, M. acasta appeared to be parasitoid and hyperparasitoid at the same time for P. fuscipennis and O. sculpticollis correspondingly.