Figure 47 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 47 Examples of mandible without preapical dentition in S. heteropha (A CASENT CASENT0005897, photographed by Will Ericson) and of mandible with preapical dentition in S. minutula (B MAC_S14_LLSP_sp.4, photographed by François Brassard).