Flattened antennal clubs, types 3, 4, and 5 (Hulcr et al. 2007). Type 3, Euwallacea interjectus; typical type 4, Amasa schlichii; variation type 4 (anterior), Fortiborus major; variation type 4 (posterior), Schedlia sumatrana; type 5, Amasa beesoni.

 
 
  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