@article {459,
	title = {Population genetics of the black ant Formica lemani (Hymenoptera: Formicidae)},
	journal = {Biological journal of the Linnean Society},
	volume = {97},
	year = {2009},
	pages = {247-258},
	keywords = {Aculeata, Formica, Formica lemani, Formicidae},
	author = {Sepp{\"a}, P. and Helanter{\"a}, H. and Chernenko, A. and Trontti, K. and Punttila, P. and Sundstr{\"o}m, L.}
}
@article {458,
	title = {Distribution of mound-building ant species (Formica spp., Hymenoptera) in Finland: preliminary results of a national survey},
	journal = {Annales Zoologici Fennici},
	volume = {46},
	year = {2009},
	pages = {1-15},
	keywords = {Aculeata, Formicidae},
	author = {Punttila, P. and Kilpel{\"a}inen, J.}
}
