Ireneopone

Head more or less rectangular, clypeus triangular, extending between the antennae, posterior margin bordering the antennal cavities anteriorly. Antennae twelve-jointed, maxillary palpi five-jointed, labial palpi three-jointed. Thorax with sharp anterior angles to pronotum, separated from mesonotum by a fine suture more marked at sides, mesonotum with a raised pointed hump, suture between mesonotum and epinotum well defined, epinotum unarmed, petiole long, narrow, armed with two small teeth at base and with a raised node on dorsal surface, postpetiole subquadrate, broader but shorter than petiole, gaster oval.