Australomesitius Barbosa & Azevedo

Barbosa, Diego N. & Azevedo, Celso O., 2016, Australomesitius gen. nov. (Hymenoptera, Bethylidae: Mesitiinae), an unexpected new genus from Australia, Zootaxa 4061 (4), pp. 447-450 : 447-448

Australomesitius Barbosa & Azevedo , gen. nov.

Diagnosis. Body surface densely punctate. Clypeus with median lobe quadrate and lateral lobes present. Ocellar triangle placed above imaginary line of eye top; ocellar fovea absent. Gena with medially incomplete ventral occipital carina. Pronotum and mesoscutum without longitudinal pronotal sulcus. Propodeal disc with median and inner discal carina not parallel, with sublateral and inner discal carina fused anteriorly; lateral carina present; propodeal posterior spine absent. Declivity of propodeum areolate, with median and lateral carina. Metapleuron areolate, with upper and posterior carina. Mesopleuron foveolate and with posterior oblique sulcus hardly distinct. Fore wing with 2Cu and 2A vein absent. Metasoma polished and glabrous.

Description. Female. Body surface densely punctate. Head wider than wide. Mandible with four sharpened apical teeth. Clypeus with median lobe quadrate and lateral lobes present; median clypeal carina inclined in lateral profile. Eye with contour even frons level, setose. Ocellar triangle acute; ocelli small; ocellar triangle compact, placed above imaginary line of eye top; ocellar fovea absent. Gena with medially incomplete ventral occipital carina. Pronotum without longitudinal pronotal sulcus. Propleuron without epicoxal sulcus. Mesoscutum without longitudinal sulcus. Propodeal disc with median and inner discal carina not parallel, with sublateral and inner discal carina fused anteriorly; lateral carina present; propodeal spiracle placed dorsally; posterior spine absent. Declivity of propodeum areolate, with median and lateral carina. Metapleuron areolate, with upper and posterior carina. Mesopleuron foveolate and with posterior oblique sulcus hardly distinct. Forewing with 1Rs+2M vein not angulate; cu-a vein rounded; 2Cu vein absent; 2A vein absent; stigma sub-developed. Hind wing with three distal hamuli, evenly separated one to another. Metacoxa with dorsal expansion; claws single; apical margin of arolium angled. Metasoma polished and glabrous. Male. Unknown.

Type species. Australomesitius mirus Barbosa & Azevedo , sp. nov.

Species included. Only the type species.

Etymology. The name Australomesitius is a combination of the names “ Australia ”, country from the specimen was collected, and the name “ Mesitius ” the type genus of Mesitiinae .