Genera characters | Cryptorhopalum | Hemirhopalum | Labrocerus | Orphinus | Thaumaglossa |
---|---|---|---|---|---|
Structure of the antennal club of male | Two-segmented, more or less oval or somewhat egg-shaped, and ultimate and penultimate segments of club subequal in length, or penultimate segment is longer than ultimate | Two-segmented, oval and elongate rather than round, and ultimate and penultimate segments of club subequal in length, or penultimate segment longer than ultimate | Two to eight-segmented | Two-segmented, round or suboval, ultimate segment greatly enlarged and dominates antennal club | Three-segmented, round or subtriangular, ultimate segment greatly enlarged and dominates antennal club |
Appendix on the claw | Absent | Absent | Absent | Absent | Present |
Distribution | Nearctic and Neotropical | Neotropical | Nearctic | Afrotropic, Indo-Malayan, Australasian, and Oceanic | Nearctic, Neotropical, Afrotropic, and Indo-Malayan |