Structure of the antennal club of male
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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
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Two-segmented, oval and elongate rather than round, and ultimate and penultimate segments of club subequal in length, or penultimate segment longer than ultimate
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Two to eight-segmented
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Two-segmented, round or suboval, ultimate segment greatly enlarged and dominates antennal club
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Three-segmented, round or subtriangular, ultimate segment greatly enlarged and dominates antennal club
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Distribution
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Nearctic and Neotropical
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Neotropical
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Nearctic
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Afrotropic, Indo-Malayan, Australasian, and Oceanic
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Nearctic, Neotropical, Afrotropic, and Indo-Malayan
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