. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 266 ANNALS OF THE SOUTH AFRICAN MUSEUM predominantly or entirely on sides of face and genae black; hair on body above, pleurae and venter predominantly sericeous or snow-whitish; that on propleural part and to a certain extent on thorax above with a faint sericeous yellowish tint; intermixed bristly hairs on disc and especially sides of thorax, prealar, postalar and scutellar bristles, some intermixed bristly hairs in metanotal tuft and tufts on sides of tergites 2-8 black; scaling above pale sericeo
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 266 ANNALS OF THE SOUTH AFRICAN MUSEUM predominantly or entirely on sides of face and genae black; hair on body above, pleurae and venter predominantly sericeous or snow-whitish; that on propleural part and to a certain extent on thorax above with a faint sericeous yellowish tint; intermixed bristly hairs on disc and especially sides of thorax, prealar, postalar and scutellar bristles, some intermixed bristly hairs in metanotal tuft and tufts on sides of tergites 2-8 black; scaling above pale sericeous yellowish, sometimes almost sericeous whitish in certain lights; that on legs greyish whitish to dull greyish yellowish. Wings glassy hyaline, iridescent, the base, costal cell and to a lesser extent base of first basal cell subopaquely pale yellow- ish brownish; veins dark brownish, the first vein and base of fifth slightly more yellowish; basal comb very poorly developed; first posterior cell very broadly open, usually slightly longer than discoidal cell; the latter subtruncate to almost truncate apically; middle cross vein at about a little less than apical fourth to nearly apical fifth of discoidal cell; anal cell broadly open apically; alula and axillary lobe normally reduced and to a lesser extent than in preceding species; squamae sub- opaquely yellowish, fringed with whitish hair; halteres yellowish brownish or yellowish, with whitish knobs. Head with the interocular space in front of ocellar tubercle in £ narrow, only a little broader than front ocellus, the inner margins of eyes gradually diverging anteriorly from this narrowest part; frons scarcely or not depressed anteriorly; face convex medially; antennal joint 3 gradually narrowed from broad base, more rapidly below and thus bulb- or club-shaped; proboscis projecting much beyond buccal cavity to at least beyond level of base of antennal joint 3, its labellar lobes narrow, pointed apically. Legs with about 1-3
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
