Head of Stigmatomma besucheti worker (CASENT0101970): ventral view of mandibles and mouth parts. Tongue-like setae are highlighted in red. Image and illustration 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