Genera of the Japanese Megachilidae

Modified key of Michener (2000)

6

History 1 => 2 => 4 => 6
6-1(2) 6-2(1)
Parapsidal line punctiform or rarely short linear, one-fifth as long as tegula or usually less Large image Parapsidal line linear, least one-fourth as long as tegula Large image
S3 of male commonly emarginate with fringe in emargination, the middle of S3 being largely or wholly covered by an enlarge S2, and S4 neither emarginate nor fringed like S3 Large image Posterior margins of S2 and S3 notched or stepped laterally in male Large image