This solitary bee lives in Northern Japan. Its nesting biology is described in Sakagami and Michener (1962). Nest architecture is Type IIIb: Lateral burrows are very short or absent such that cells are almost attached to the burrow walls at a right angle. The cells are not spatially concentrated in any part of the burrow. Or nest architecture is Type IIIc: Lateral burrows are very short or absent such that cells are almost attached to the burrow walls at a right angle. The cells are not spatially concentrated in one part of the burrow, and project from the main burrow radially.
