@article {981,
	title = {Nest structure, seasonality, and host plants of Thygater aethiops (Hymenoptera: Apidae, Eucerini) in the Andes},
	journal = {Journal of Hymenoptera Research},
	volume = {17},
	year = {2008},
	chapter = {110-115},
	author = {Gonzalez, V.H. and Ospina, M.}
}
