Petiole, ventral view. Left part of the image: petiolar anterior articular end, bearing reduced proprioceptor zone.  
  Part of: Esteves FA, Fisher BL (2016) Taxonomic revision of Stigmatomma Roger (Hymenoptera: Formicidae) in the┬áMalagasy region. Biodiversity Data Journal 4: e8032. https://doi.org/10.3897/BDJ.4.e8032