@article {1171,
	title = {Sex ratio strategy as related to queen number, dispersal behavior, and habitat quality in Formica ants (Hymenoptera, Formicidae).},
	journal = {Entomol. Gener.},
	volume = {11},
	year = {1986},
	pages = { 139-151},
	author = {Rosengren, R. and Pamilo, P.}
}
@article {1168,
	title = { Light:Dark-induced activity rhythms in Formica ants (Hymenoptera; Formicidae)},
	journal = {Entomol. Gener.},
	volume = {11},
	year = {1986},
	pages = {221-228},
	author = {Rosengren, R. and Fortelius, W.}
}
@article {1084,
	title = {Carbohydrates as a energy source during the flight of sexuals of the ant Formica lugubris (Hymenoptera; Formicidae)},
	journal = {Entomol. Gener.},
	volume = {15},
	year = {1990},
	pages = {25-32},
	author = {Passera, L. and Keller, L. and Grimal, A. and Chautems, D. and Cherix, D. and Fletcher, D.J.H. and Fortelius, W. and Rosengren, R. and Vargo, E. L.}
}
