Nesomyrmex medusus sp. n. holotype worker (CASENT0455428). Lateral view of the body (25), head of the holotype worker in full-face view (26), dorsal view of the body (27). Scale 0.5 mm.

  Part of: Csősz S, Fisher BL (2015) Diagnostic survey of Malagasy Nesomyrmex species-groups and revision of hafahafa group species via morphology based cluster delimitation protocol. ZooKeys 526: 19-59.