@article {6,
	title = {Revision of the European species of the genus <i>Pygostolus </i>Haliday (Hymenoptera: Braconidae: Euphorinae), with a key to the Holarctic species},
	journal = {Zoologische Mededelingen, LeidenZoologische Mededelingen, Leiden},
	volume = {66},
	number = {24},
	year = {1992},
	pages = {349-358},
	author = {Achterberg, C. van}
}
