Figure 13 from: Yoshimura M, Fisher B (2014) A revision of the ant genus Mystrium in the Malagasy region with description of six new species and remarks on Amblyopone and Stigmatomma (Hymenoptera, Formicidae, Amblyoponinae). ZooKeys 394: 1-99. https://doi.org/10.3897/zookeys.394.6446

Figure 13 - Worker diagnostic characters of camillae species group. A Mystrium barrybressleri (CASENT0045009) B Mystrium voeltzkowi (CASENT0002075) C Mystrium barrybressleri (CASENT0047970) D Mystrium voeltzkowi (CASENT0317584). A–D worker. A, B pronotum in dorsal view C, D mouthparts in oblique lateral view.