274 Transactions South African Philosophical Society. [vou. xu. 
briefly setulose along the anterior margin, moderately sinuate along 
the base, and having in the median part one or three raised lines, as 
well as a conspicuous lateral keel “running alongside the outer 
margin ; scutellum cordate, as broad as long, sharp at the apex; 
elytra elongated, very little ampliated laterally, and convex in the 
anterior part only in the male, more ampliated and more convex in 
the female, having on each side nine large sharp cost, and covering 
only half the propygidium ; pygidium either very slanting or almost 
vertical ; anterior part of metasternum and prosternum produced into 
a long spine-like, nearly horizontal process reaching as far as the 
median part of the prosternum; abdominal segments seemingly 
soldered, but with the sutures deep; anterior tibiz bi-dentate 
outwardly and with a somewhat short inner spur ; intermediate and 
posterior ones with a longitudinal groove on the outer face, and 
with a more or less plainly obliterated, oblique, ciliate keel on the 
posterior, the two apical spurs of which are very long and slightly 
flexed, and more slender and sharper at the tip in the male than in 
the female; tarsi moderately long, but longer in the male than in the 
female, the joints are bristly underneath, and the last one is longer 
than the others ; the claws long, strongly curved, and having in the 
male a very minute tooth forming an angle at the base, and in the 
female a very strong, median, vertical tooth. 
The livery of the three species included in this genus consists of 
very dense white or occasionally flavescent ovate or sub-lanceolate 
scales either covering the whole body with the exception of the 
pectus, which is somewhat densely hairy or disposed in bands on 
the prothorax and the interstices of the elytra. 
The genus seems to be restricted to the South African area. 
Key to the Species. 
A’, Pygidium strongly slanting backwards. 
B?. Clypeus emarginate on the centre. 
C?. Anterior tibiz uni-dentate in the male, bi-dentate 
in the female. 
Head and prothorax with one median longi- 
tudinal denuded raised line .. .. .. .. .. costipennis. 
Head and prothorax with three denuded longi- 
tudinal raised'lines’ .j. ).2 \c. 2. )-2)) 6 26 albosimara- 
A‘, Pygidium vertical. 
B'. Clypeus not emarginate in the centre. 
Ct. Anterior tibixe bi-dentate in the male. 
