Polauchenia difficilis (Dohrn, 1860), comb. nov., male lectotype (here designated) 12, 13 forewing 13 schematic outline 14 meso and metathorax, abdomen and left hind leg, lateral view. Abbreviations: bc basal cell, dc discal cell, P Pcu cross vein, sv single vein emitted from the basal cell. Scale bars: 0.5 mm (12–14).