Discothyrea, Prionopelta & Stigmatomma genera AntWorld.org Massive head in profile of the size of the entire mesosoma PN, MN, PP entirely fused into one massive block Scapus and funiculus extremely thick and short Frc protuberant in profile view Eyes diameter bigger than the antennal socket pview:Discothyrea kamiteta Eyes diameter as the antennal socket pview: Discothyrea sauteri AntWorld.org Mandibles short, closing tightly against Cl, their apical border distinct and occupied by 3 teeth TL very small, head ca. 0.38 mm wide if top of subpetiolar protuberance rounded: Prionopelta kraepelini Taiwan : Liuguei, Kaohsiung Hsien JAD Genal teeth prominently (Fig. a) developed Japan : Okinawa and Heianza-jima Japan : Stigmatomma denticulatum Stigmatomma emeryi Stigmatomma gaetulicum Stigmatomma silvestrii Stigmatomma bruni JAD Genal teeth absent or not prominently developed (Fig. b) JAD Denticles in double rows (Fig. a right); PE with anterior lobe lview: sakaiii JAD Denticles in a single row (Fig. b up); subpetiolar process anteriorly others
