Nest architecture of Oxaea austera (Andrenidae, Oxaeinae) and its significance for the interpretation of Uruguayan fossil bee cells


	Fossil bee cells from the early Eocene Asencio Formation of Uruguay 21 external aspect of Palmiraichnus castellanosi, scale: 1 cm 22 longitudinal section of P. castellanosi showing the chamber and the filled antechamber, scale: 1 cm.

Part of: Sarzetti L, Genise J, Sanchez M (2014) Nest architecture of Oxaea austera (Andrenidae, Oxaeinae) and its significance for the interpretation of Uruguayan fossil bee cells. Journal of Hymenoptera Research 39: 59-70. https://doi.org/10.3897/JHR.39.8201