@book {2066,
	title = {Nationalnyckeln till Sveriges flora och fauna. Steklar: Myror{\textendash}getingar. Hymenoptera: Formicidae-Vespidae},
	series = { ArtDatabanken, SLU, Uppsala.},
	year = {2012},
	pages = {382},
	author = {Douwes, P. and Abenius, J. and Cederberg, B. and Wahlstedt, U. and Hall, K. and Starkenberg, M. and Reisborg, C. and {\"O}stman, T.}
}
