This bee's nest architecture is described by Sakagami and Michener (1962). From Sakagami and Michener (1962): Nest architecture is Type VIIa: The main burrow expands into a cavity enclosing a cluster of horizontally oriented cells. Below the cells is an extension of the main burrow. Cells are arranged in combs. Number of cells in the nest: 5-13, average 7.3. Number of females in the nest: 1, rarely 2
