%0 Journal Article %T Trichothurgus bolithophilus sp. n. (Hymenoptera, Megachilidae) a bee nesting in horse manure pads in Patagonia, Argentina %A Laura Sarzetti %A Jorge Genise %A Maria Victoria Sanchez %J Journal of Hymenoptera Research %D 2012 %I Pensoft Publishers %R 10.3897/jhr.29.3529 %X A new species of Trichothurgus, described herein, T. bolitophilus sp. n., nests in dry horse manure pads in Chubut, Patagonia, Argentina. The simplest nests consisted of one main tunnel ending in a series of 2 cells without partitions between them. In the more complex ones up to 6 cells were connected laterally to the main tunnel. Nests showed signs of reutilization. The behavior of nesting in horse manure is described for the first time in bees. %K Trichothurgus bolitophilus sp. n. %K nests %K horse manure %K Patagonia %K Argentina %U http://www.pensoft.net/journals/jhr/article/3529/