| 11. | The antennal segments end in a distinct club with three progressively longer segments.
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| 12. | All weevils of this tribe have the antennal club with an asymmetrical apex.
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| 13. | Antennae are short, the first antennal segment is longer than the second.
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| 14. | The second antennal segment ( pedicellus ) is much paler than the rest.
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| 15. | Antennal movements in lepidopterans were originally hypothesized to aid in wind or gravity perception.
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| 16. | The anterior spiracle and anterior angle of antennal bases is prominent ( most ).
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| 17. | The male antennal arista is simple and unmodified.
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| 18. | The region on the head and the antennal club are slightly darker in colour.
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| 19. | Its antennal spine below the lower orbital angle.
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| 20. | Rostrum distinct, anteriorly truncate, separating antennal bases, fused with rectangular frontal lamina ventrally.
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