@article {21, title = {Notes on the British Ophioninae (Hymenoptera, Ichneumonidae). Part 4. A revised key to species of the genus Ophion Fabricius}, journal = {Entomologist{\textquoteright}s GazetteEntomologist{\textquoteright}s Gazette}, volume = {29}, year = {1978}, note = {paper (pdf)}, pages = {145-149}, keywords = {Ophioninae}, author = {Gauld, I.D.} }