The Craue-Jlies of South Africa (Diptera, TipuUdae). 149 
Holotype, S , Cape Town, August, 1909 (Lightfoot). 
Allotype, $ , with the type. 
Paratopotypes, 6 (J 9 • 
Erioptera (Erioptera) peringueyi, Bergroth. 
1888. Eut. Tidskr., vol. 9, pp. 129, 130. 
The types, bearing Bergroth's label (No. 3), are from Stelleubosch, 
near Cape Town, November, 1887 (Peringuey). There are a few other 
specimens in the collection bearing the label "Cape Town, Cape 
Colony." The wing of this beautiful Erioptera is figured on Plate X, 
fig. 12. The specimens show the following measurements : 
Male.— Ijeugth 7 mm. ; wing 5-8 mm. 
Female.— Jjeiigth 6-9-7 mm ; wing 7-2 mm. 
Gen. TEIMICRA, Osten Sacken. 
1861. Proc. Acad. Nat. Sci. Phila., p. 290. 
Trimicra inconspicua, Loew. 
1866 Berlin Entomol. Zeitschr., vol. 10, p. 59 (Gnophomyia). 
Several specimens of both sexes from Smithfield, Orange River 
Colonv (Kannemeyer) ; a few from Stelleubosch, near Cape Town. 
These agree closelv with the original description of the species. It is 
possible that the Limnohia lamiginipes, Wa.\kev (Ins. Saunders., p. 435, 
1856) is the same species, although there is a considerable discrepancy 
in size. The wing is shown on Plate X, fig. 13. 
Gen. PLATYLIMNOBIA, gen. n. 
Rostrum and palpi short. Head large, wider than the narrow 
thorax. Antennae short, 16-segmented ; first scapal segment elongated, 
the second short, subglobular, shorter than the first flagellar segment ; 
flagellar segments cylindrical. Front broad, widely separating the 
eves ; eyes with coarse ommatidia. Mesothoracic dorsum very flattened, 
depressed, the praescutum short, not projecting over the pronotum. 
Halteres small, twisted, with about seven or eight bristles on the 
elongate knob. Legs slender, the coxae very large, tibiae unspurred- 
Wiu^o-s reduced to mere pads without apparent venation ; a series of 
about twentv-five bristles along the costa, about four in the radial 
field and about five in the median field. Male hypopygium with the 
pleural pieces short, stout, cylindrical, with rather abundant stout 
hairs that are larger and more abundant toward the tip ; inner faces 
of the pleurites grooved to receive the appendages when in a position 
