Examples of long and relatively flat petiole in Strumigenys elegantula (A ; MAC_S04_LLSP_sp.9), and short with a dorsal protrusion in Strumigenys sauteri (B ; MAC_S04_LLSP_sp.2).

  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