holarctic & Oriental; in our area, the holarctic
M. acuminata is widespread in the north,
M. occidentalis along the Pacific (BC-CA-ID),
M. consputa in w. US (CO-OR to AZ-CA),
M. notata widespread in the south (NJ-FL-OK-AZ), and
M. atropurpurea in AR-TX-AZ
(1)(2)