@article {1112,
	title = {Distribution and co-existence of the Macropis species and their cleptoparasite Epeoloides coecutiens (Fabr.) in NW Europe (Hymenoptera: Apoidea, Melittidae and Apidae)},
	journal = {Entomologica Fennica},
	volume = {14},
	year = {2003},
	pages = {53-59},
	author = {Pekkarinen, A. and Berg, {\O}. and Calabuig, I. and Janzon, L.-{\r A}. and Luig, J.}
}
