Lateral view of the head, which confirms that mandibles have no basal teeth paired with mandibular teeth. Image by Roberto Keller; available at AntWeb.org   
  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