Example of spiniform and shallowly curved preapical tooth in S. rallarhina (A CASENT0900839, photographed by Ryan Perry) and of short triangular tooth in S. feae (B MAC_S15_LLSP_sp.8, photographed by IBBL).

 
 
  Part of: Brassard F, Leong C-M, Chan H-H, Gue╠ünard B (2020) A new subterranean species and an updated checklist of Strumigenys (Hymenoptera, Formicidae) from Macao SAR, China, with a key to species of the Greater Bay Area. ZooKeys 970: 63-116. https://doi.org/10.3897/zookeys.970.54958