Figure 33 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 33 Examples of head with dorsum clothed with ground pilosity of conspicuous pale orbicular hairs in S. hexamera (A RHL003477, photographed by IBBL) and of dorsum of head without hairs in S. sauteri (B MAC_S04_LLSP_sp.2, photographed by IBBL).