PALM group AntWeb Clypeus (Cly) and frontal triangle (∆fr) well developed Frontal carinae (frc) sized the (∆fr) and posterior part of the Cly PE and PPE distinct from gaster and never fused with it Dorsal mesosome in 3 distinct parts: PN, MN, Pp Sting is functional Whole Palearctic Crematogastrini Dacetini Formicoxenini Melissotarsini Myrmicini Pheidolini Solenopsidini Stenammini Tetramoriini AntWeb Clypeus (Cly) absent and frontal triangle (∆fr) vestigial or absent Antennal sockets laterally distant from antennal carinae PE and PPE identical, distinct from gaster and never fused with it Pronotum (PN) and Mesonotum (MN) are fused into a single structure. Sting is present and functional South Palearctic Aenictus dlusskyi,lifuiae maroccanus,rhodiensis,vaucheri AntWeb Clypeus (Cly) restricted and frontal triangle (∆fr) vestigial or absent Cly narrow so that the antennal insertions are close to the anterior margin of the head Propodeal stigma (Ppst) open and circular Funiculus always: 11 articles France and Japan Anomalomyrma Leptanilla Protanilla AntWeb Clypeus (Cly) absent and frontal triangle (∆fr) vestigial or absent Antennal sockets laterally put side by side with antennal carinae PE and PPE identical, distinct from gaster and never fused with it Pronotum (PN) and Mesonotum (MN) are fused into a single structure. Sting is present and functional Funiculus always 11 articles Japan :Tetraponera attenuata
