Orthocentrus ungularis species-group

This group characterised by the elongate body, long slender antenna with 27–35 flagellomeres, basal flagellomere 1.8–4.5 × as long as wide; posterior transverse carina of propodeum present between lateral longitudinal carinae, hind claws enlarged and areolet in fore wing wide pentagonal or open. There are known six species in Mexico: O. elongatus, O. flavoorbitalis, O. hidalgoensis, O. longiventris, O. rhombifer and O. ungularis . This species-group was not reported from outside Mexico.