Astromesitius, a new genus of Mesitiinae (Hymenoptera, Bethylidae) from the Old World Author Barbosa, Diego N. Author Azevedo, Celso O. text European Journal of Taxonomy 2019 2019-12-11 587 1 20 journal article 24108 10.5852/ejt.2019.587 b1bebdfa-3977-46b4-98ae-94d891747bbb 3659973 980C8BF7-A2EB-4D20-B429-CF5C4101B45B Astromesitius carbonarius (Móczár, 1970) gen. et comb. nov. Figs 1C , 3C , 4C , 6A Diagnosis Body 2.1 mm long. LFW 1.5 mm . Wings infuscate; head and mesosoma dark castaneous nearly black; metasoma dark castaneous. Head as long as wide. Malar space shorter than VOL, convergent anteriorly. Frons coriaceous. Ocelli small. Mesosoma with pronotal disc shorter than wide, coriaceous, with side straight, posterior margin sinuous; longitudinal pronotal sulcus absent. Metapectal-propodeal complex as long as metapectal-propodeal complex half-width, without longitudinal ridge between metaposnotal median carina and metaposnotal-propodeal suture; metaposnotal surface areolate; posterior spine of metapectal-propodeal complex absent. Propodeal declivity areolate. Lateral surface of metapectalpropodeal complex areolate. Metasoma with hypopygium as long as wide; lateral projection short; posterior margin with branches short and slender. Genitalia with paramere apex sparsely hairy; aedeagus slender, with apex not reaching paramere apex, apical margin angled, lateral margin of basal portion convex. Material examined UNITED ARAB EMIRATES • 1 ♂ ; Al-Ajban ; 24.36° N , 55.01° E ; 1 Apr.–2 May 2006 ; Malaise trap ; A. van Harten leg.; UFES 56168 . Remarks This species was originally described in Metrionotus ( Móczár 1970a ) from South Africa ( Móczár 1970a ), and was later recorded from the United Arab Emirates ( Barbosa &Azevedo 2011 ). We examined one male from UAE deposited at UFES, and the analyses reveal that their characteristics correspond to Astromesitius gen. nov. Thus, we propose a new combination for this species from Metrionotus to Astromesitius gen. nov.