Figures 1-4 from: Csősz S, Fisher BL (2016) Taxonomy of Malagasy Nesomyrmex brevicornis species-group using conventional morphology-based approach. ZooKeys 616: 125-159. https://doi.org/10.3897/zookeys.616.9532

Figures 1-4 - Diagnostic traits for black Nesomyrmex brevicornis-group workers. Lateral view of mesosoma, petiole, postpetiole, and gaster of Nesomyrmex flavigaster sp. n. (1), lateral view of mesosoma, petiole, postpetiole, and gaster of Nesomyrmex brunneus sp. n. (2), frontal view of head of Nesomyrmex edentatus sp. n. (3), frontal view of head of Nesomyrmex brevicornis sp. n. (4). For details see main text.