Shape and sculpture of the propodeum. a propodeum hardly depressed with irregular wrinkles (D. bicoloripes) b propodeum broadly and shallowly depressed, irregularly wrinkled anteriorly and with transverse wrinkles medially and posteriorly (D. stygia) c propodeum broadly and shallowly depressed, rugose or irregularly wrinkled with some short transverse wrinkles posteriorly and a rather complete carination (D. terebrator) d propodeum narrowly and deeply depressed with short transverse wrinkles in the sulcus (D. angustifrons) e propodeum narrowly and deeply depressed with long transverse wrinkles in the sulcus (D. flagellator) f propodeum rather broadly and deeply depressed with distinct transverse wrinkles posteriorly and medially (D. stragifex). Scale bars: 0.5 mm. https://doi.org/10.5281/zenodo.6368594.