Examples of head with dorsum clothed with ground pilosity of conspicuous pale orbicular hairs in S. hexamera (A RHL003477, photographed by IBBL) and of dorsum of head without hairs in S. sauteri (B MAC_S04_LLSP_sp.2, 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