Abstract
Eighteen xyleborine ambrosia beetles are described and illustrated: Anisandrus proscissus Smith, Beaver, Pham & Cognato sp. nov. (Vietnam), Anisandrus simplex Smith, Beaver & Cognato sp. nov. (Nepal), Arixyleborus belalongi Smith, Beaver & Cognato sp. nov. (Brunei Darussalam), Beaverium brevicaudatus Smith, Beaver & Cognato sp. nov. (Indonesia), Cnestus luculentus Smith, Beaver & Cognato sp. nov. (India), Cyclorhipidion achlys Smith, Beaver, Pham & Cognato sp. nov. (Vietnam), Cyclorhipidion conidentatus Smith, Beaver & Cognato sp. nov. (Indonesia), Cyclorhipidion gladigerum Smith, Beaver & Cognato sp. nov. (Thailand), Cyclorhipidion lapilliferum Smith, Beaver, Pham & Cognato sp. nov. (Vietnam), Cyclorhipidion nepalense Smith, Beaver & Cognato sp. nov. (Nepal), Cyclorhipidion taedulum Smith, Beaver, Pham & Cognato sp. nov. (Vietnam), Cyclorhipidion titorum Smith, Beaver, Pham & Cognato sp. nov. (Vietnam), Euwallacea alastos Smith, Beaver & Cognato sp. nov. (Japan), Leptoxyleborus regina Smith, Beaver & Cognato sp. nov. (Papua New Guinea), Tricosa hipparion Smith, Beaver & Cognato sp. nov. (Malaysia), Xyleborinus acanthopteron Smith, Beaver & Cognato sp. nov. (Thailand), Xyleborinus dumosus Smith, Beaver, Pham & Cognato sp. nov. (Vietnam), Xyleborinus nobuchii Smith, Beaver & Cognato sp. nov. (Japan). New distribution records are reported for 67 Asian species. Cyclorhipidion nemesis Smith & Cognato, described from U. S. A., is reported from Asia (China), its hypothesized native continent, for the first time. Its identity is confirmed with COI and CAD DNA within a phylogenetic analysis including other Cyclorhipidion species.
References
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