Fig. 5. Lateral view of pronotum, showing: A) Pronotal tubercles present; mesonotum prominent, separated from propodeum by a deep transversal suture (Ectatomma tuberculatum—CASENT0173380); B) Pronotal tubercles or projections absent; mesonotum not prominent, forming a continuous profile with propodeum (Holcoponera striatula—CASENT0173386). Photos by April Nobile; available from www.antweb.org (Antweb 2021).