Liobracon Szépligeti, 1901
Type species Liobracon singularis Szépligeti, 1901 (= Syngaster macula Brullé, 1846).
Liobracon Szépligeti, 1901: 361; Shenefelt and Marsh 1976: 1316; Yu et al. 2016.
Diagnosis. Occipital carina completely absent. Maxillary palp long and narrow; third labial palp segment shortened. Scapus of antenna depressed, with deep excision and dense pubescence on inner apical margin. Pronotum dorsally with one or two lumps. Propleuron without teeth and tubercles. Notauli reduced at posterior half of mesoscutum. Propodeum without areolation. Precoxal furrow present. Hind coxa without dorsal projections and basoventral tubercle. First discal cell of fore wing shortly petiolate anteriorly. Hind wing vein m-cu present, short, slanted towards base of wing; vein M + CU distinctly longer than vein 1-M. Second metasomal tergite with two deep or shallow sublateral convergent furrows reaching second suture.
Distribution. Neotropical and Nearctic regions. Sixteen recognised species.