A catalogue and reclassification of the Nearctic Ichneumonidae (Hymenoptera). Part II. The subfamilies Mesoleiinae, Plect-iscinae, Orthocentrinae, Diplazoninae, Metopiinae, Ophioninae, Mesochorinae
Published in Memoirs of The American Entomological Society, in 1945, in volume 11, issue 2, pages 479-925
Date published:1945