Examples of spatulate hairs on head and eye with a single ommatidium in S. subterranea sp. nov. (A ANTWEB1010847, photographed by François Brassard) and of small appressed simple hairs on head with eye composed of more than one ommatidium in S. membranifera (B MAC_S21_LLSP_sp.2, photographed by IBBL).

 
 
  Part of: Brassard F, Leong C-M, Chan H-H, Guénard 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