@article {21,
	title = {Notes on the British Ophioninae (Hymenoptera, Ichneumonidae). Part 4. A revised key to species of the genus <i>Ophion </i>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.}
}
