Mouthparts, ventral view (CASENT0159679). Left maxillary and labial palps are outlined in black and darkened to enhance visibility. Slide by F. A. Esteves.  
  Part of: Esteves FA, Fisher BL (2016) Taxonomic revision of Stigmatomma Roger (Hymenoptera: Formicidae) in the Malagasy region. Biodiversity Data Journal 4: e8032. https://doi.org/10.3897/BDJ.4.e8032