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Table 1 Comparison of genera closely related to Cryptorhopalum

From: Key to species of the genus Cryptorhopalum (Coleoptera: Dermestidae) occurring in the Greater Antilles with description of six new species from Hispaniola

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
  1. Following Beal (1959 2003), Ohbayashi (1985), Háva (2004), and Kadej and Kitano (2010).