@article {979,
	title = {Nuevos registros genericos de abejas (Hymenoptera, Apoidea) para Colombia},
	journal = {Acta Biologica Colombiana},
	volume = {11},
	year = {2006},
	chapter = {89-90.},
	author = {Gonzalez, V.H. and Ospina, M.}
}
@article {604,
	title = {Una especie nueva de Geotrigona (Hymenoptera: Apidae, Meliponini), con comentarios sobre el g{\'e}nero en Colombia},
	journal = {Acta Biologica Colombiana},
	volume = {12S},
	year = {2007},
	chapter = {103-108},
	keywords = {Apoidea, stingless bees, taxonomy},
	author = {Gonzalez, V.H. and Sep{\'u}lveda, P. A.}
}
@article {698,
	title = {Notas biol{\'o}gicas y taxon{\'o}micas sobre los abejorros del maracuy{\'a} del g{\'e}nero Xylocopa (Hymenoptera: Apidae, Xylocopini) en Colombia},
	journal = {Acta Biologica Colombiana},
	volume = {14},
	year = {2009},
	chapter = {31-40},
	author = {Gonzalez, V.H. and Gonzalez, M. M. and Cuellar, Y.}
}
