@article {1744,
	title = { Indirect interaction between butterfly species mediated by a shared pupal parasitoid.},
	journal = {Population ecology},
	volume = {54},
	year = {2012},
	pages = {251-260},
	author = {Van Nouhuys, S. and kraft, T. S}
}
@article {1733,
	title = {The effect of multi-species host density on superparasitism and sex ratio in a gregarious parasitoid},
	journal = {Ecological Entomology},
	volume = {38},
	year = {2013},
	pages = {138-146},
	author = {kraft, T. S and Van Nouhuys, S.}
}
