@article {824,
	title = {Notas sistem{\'a}ticas sobre abejas Meliponini del Chaco (Hymenoptera, Apidae)},
	journal = {Revista del Museo Argentino de Ciencias Naturales},
	volume = {12},
	year = {2010},
	chapter = {99-106},
	author = {Roig Alsina, A}
}
@article {1700,
	title = {Chalepogenus roitmani Roig Alsina (Hymenoptera: Apidae: Tapinotaspidini): description of the male and new geographical records for the species},
	journal = {Zootaxa},
	volume = {2797},
	year = {2011},
	chapter = {21-24},
	author = {Torretta, J. P. and Marrero, H. J. and Roig Alsina, A}
}
