Figure 19 from: 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

Figure 19 Examples of leading edge of scape with conspicuous hairs curving towards the base of the scape in S. formosa (A RHL003476, photographed by IBBL) and of leading edge of scape lacking projecting hairs that curve toward the base of the scape in S. elegantula (B MAC_S04_LLSP_sp.9, photographed by IBBL).