Ichneumon-flies of America North of Mexico pt. 2: Subfamilies Ephialtinae, Xoridinae, and Acaenitinae
Published in Bulletin of the United States National Museum, in 1960, issue 216, pages 1-676
Date published:1960
Published in Bulletin of the United States National Museum, in 1960, issue 216, pages 1-676
Date published:1960