Aspects of host acceptance by Pteromalus venustus Walker and Monodontomerus obsoletus Fabricius, parasitoids of Megachile rotundata (Fabricius), the alfalfa leafcutting bee (Hymenoptera: Chalcidae)

Published in Pan-Pacific Entomologist, in 1988, in volume 64, issue 1, pages 67-71

Date published:1988