@article {269,
	title = {Does the Abundance of Hoverfly (Syrphidae) Mimics Depend on the Numbers of Their Hymenopteran Models?},
	journal = {Evolution},
	volume = {58},
	number = {2},
	year = {2004},
	pages = {367-375},
	keywords = {Mimicry, Syrphidae},
	author = {Howarth, B and Edmunds, M and Gilbert, F.}
}
