Nesting Habits of a Solitary Bee of the Genus Spinoliella of Ashmead

Abstract

The nests of the bees of this genus ure generally hurd to find. The insects are so small, usually not more than quarter inch long, that they are difficult to follow in their flight. In fact, so fur as I cu.n tell, no information is available on their nesting habits. It was on fine sunny day in the ltter prt of August, 1927, while visiting the Country Club t Denver, Colordo, that my ttention ws called to some smll mounds of durk soil resembling nt nests. These were located long the side of