Gesomyrmecini

Dlussky, G. M., Wappler, T. & Wedmann, S., 2009, Fossil ants of the genus Gesomyrmex Mayr (Hymenoptera, Formicidae) from the Eocene of Europe and remarks on the evolution of arboreal ant communities., Zootaxa 2031, pp. 1-20 : 5

Tribe Gesomyrmecini Ashmead, 1905

Diagnosis (from Bolton 2003). With characters of Formicinae . Palp formula 6,4. Mandible with 6 - 10 teeth. Eye large to enormous; long axes of eyes convergent anteriorly. Scape, when laid back in its normal resting position, passes below the eye. Antennal insertions migrated laterally and widely separated, in line with long axis of eye and in front of anterior margin of eye. Clypeus extends back between antennal sockets, the latter close to or abutting the posterior clypeal margin. Propodeal spiracle circular. Metacoxae closely approximated. Petiolar foramen short. Ventral margin of petiole V-shaped in section. Abdominal sternite III (first gastral) with a transverse sulcus across the sclerite posterior to the helcium sternite. Antenna with 8, 10, 11 or 12 segments.

Genera included: Gesomyrmex Mayr, 1868; Santschiella Forel, 1916; Sicilomyrmex Wheeler, 1915 (extinct); Prodimorphomyrmex Wheeler, 1915 (extinct).