Fig. 10. Lateral view of gaster, showing: A) Second gastric segment (IV abdominal) relatively straight (Gnamptogenys acuminata—USNMENT00441095); B) Second gastric segment (IV abdominal) slightly arched ventrally (Poneracantha mecotyle—CASENT0281530). Photos by Jeffrey Sosa-Calvo (A) and Zach Lieberman (B); available from www.antweb.org (Antweb 2021).