Midleg (CASENT0101970): anteroventral face of mesotibia¬†and dorsoposterior face of mesobasitarsus, which possesses a longitudinal slit-like sulcus.  
  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