. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 286 ANNALS OF THE SOUTH AFRICAN MUSEUM on mesopleuron, pleurae and sides of abdomen, predominantly sericeous whitish; one prealar bristle blackish as in $; tufts of shortish dark blackish brown or black hair present on sides of tergites 4-7; sparse hairs on femora pale in both sexes; scaling above sparse and straw-coloured yellowish in q*, much denser and gleaming pale sericeous yellowish to brassy yellowish in $, dense on tergite 1, becoming paler, more whitish and also denser on sides across hind m


. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 286 ANNALS OF THE SOUTH AFRICAN MUSEUM on mesopleuron, pleurae and sides of abdomen, predominantly sericeous whitish; one prealar bristle blackish as in $; tufts of shortish dark blackish brown or black hair present on sides of tergites 4-7; sparse hairs on femora pale in both sexes; scaling above sparse and straw-coloured yellowish in q*, much denser and gleaming pale sericeous yellowish to brassy yellowish in $, dense on tergite 1, becoming paler, more whitish and also denser on sides across hind margins of tergites; that on venter whitish in both sexes; that on legs appearing greyish to greyish whitish in certain lights, more graphite-like or dark in others. Wings vitreous hyaline, iridescent, the extreme base blackish brown, the base, alula, costal cell and to a certain extent along anterior basal part of first basal cell subopaquely yellowish whitish to yellowish; veins brownish to dark brownish; basal comb almost wanting; first posterior cell narrowish, only very slightly or scarcely narrowed apically but broadly open, its apical cross vein straight and oblique to hind border; middle cross vein at about or a little less than apical third of discoidal cell; alula and axillary lobe reduced and narrowish; squamae opaquely whitish, dark-bordered, fringed with white hair; halteres brownish, their knobs brownish above and pale below. Head with the interocular space in front of ocellar tubercle in $ very narrow, at narrowest part about as broad as front ocellus; space on vertex in $ a little less than 2 times distance between outer margins of posterior ocelli; frons depressed anteriorly, the medial part anteriorly without hairs; face very slightly convex medially; antennal joint 3 gradually narrowed apically from broad base, slightly more so below, thus more leek-shaped than bulb-shaped at base; proboscis projecting beyond buccal cavity, its labellar lobes narrowish, pointe


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky