Obliquely truncate antennal clubs, types 1 and 2 (Hulcr et al. 2007). Type 1, Anisandrus percristatus; typical type 2, Xyleborus affinis; variation of type 2, Hadrodemius comans.

 
 
  Part of: Smith SM, Beaver RA, Cognato AI (2020) A monograph of the Xyleborini (Coleoptera, Curculionidae, Scolytinae) of the Indochinese Peninsula (except Malaysia) and China. ZooKeys 983: 1-442. https://doi.org/10.3897/zookeys.983.52630