Identification: Frons, occiput, thorax and abdominal tergites black. Dusting slight, some copper-coloured on mesonotum, pale on thoracic pleurae Legs: Hind femora yellow with two narrow dark rings (apical and pre-apical). Fore coxa clear yellow, mid and hind coxae black with a cream coloured spot. Wing: long, extending beyond the end of tergite 6. Halteres white. Female abdomen: Colour pattern on the pleural membrane consisting of five brown (burnt umber) anterior patches on a cream-coloured belly.. Yellow margins to the rear edges of the tergites, broad on the hindmost tergite but becoming narrower on anterior tergites. Male abdomen: Tergites black with narrow white hind margins. Pleural membrane not usually much visible in males. Head: Face and genae entirely white dusted except for a slight yellowing just beneath the antennae. Antennal segments such a very dark brown that they could easily be mistaken for black. Arista white (dark at base).
Images: Stacked images of fresh specimens on Malcolm Storey's Bioimages and live specimens on Nikola Rahme's Flickr