Fig. 6. Dorsal view of pronotum, showing: A) Pronotum and mesonotum separated by a distinct suture (Rhytidoponera abdominalis—CASENT0281333); B) Pronotum and mesonotum continuous with a discrete groove (Gnamptogenys stellae—CASENT0281227). Photos by Cerise Chen (A) and Estella Ortega (B) available from www.antweb.org (Antweb 2021).