Four new species of Darwin wasps from Türkiye Author Kaplan, Emin text Zootaxa 2024 2024-03-15 5424 4 456 466 http://dx.doi.org/10.11646/zootaxa.5424.4.4 journal article 10.11646/zootaxa.5424.4.4 1175-5326 10821539 AEAA5C66-CEA3-4DE8-9C2F-68ED5C342884 Genus: Mesostenus Gravenhorst, 1829 Mesostenus Gravenhorst, 1829b: 750 . Type species: Mesostenus transfuga Gravenhorst, 1829 . Designated by Westwood (1840). Stenaraeus Thomson, 1896: 2380 . Type species: Mesostenus transfuga Gravenhorst, 1829 . Designated by Viereck (1914) . Derocentrus Cushman, 1919: 113 . Type species: Coleocentrus texanus Ashmead, 1890 ( Mesostenus longicaudis Cresson , 1872).