Figure 50 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 50 Examples of relatively short and straight, stiff pronotal humeral hairs in S. hispida (A CASENT0900821, photographed by Will Ericson) and of long and slender flagellate pronotal hairs in S. minutula (B MAC_LLSA_S06_sp.6, photographed by François Brassard).