72 Transactions South African Philosophical Society. (Vou. Xt. 
a somewhat lighter pubescence, rufo-testaceous on the dorsal part, 
fuscous on the sides, they are not twice the length of the prothorax, 
are little ampliated past the middle, and obtusely rounded at apex ; 
scutellum triangular, elongate; pygidium broadly triangular, rounded 
at apex and with a longer pubescence; pectus and abdomen convex, 
sternum slightly suleate longitudinally in the centre; legs red, 
clothed with a greyish ochraceous pubescence; femora closely punc- 
tate; anterior legs not strong, posterior tibize and femora dilated, 
compressed, anterior tibiz tri-dentate, posterior ones spinulose. 
Length 5-5-6 mm. ; width 3-5-4 mm. 
Hab. Boroma, on the Zambesi River.’’ 
Perhaps identical with my Hwronycha sebakuana. 
TRIODONTA BOROMENSIS, Branes., 
Loe. cit., p. 114, pl. iv., fig. 5. 
“ Klongated, rufo-testaceous, closely punctate,clothed all over with 
a thin greyish-ochraceous pubescence, margin of the thorax and elytra 
ciliate ; head sub-triangular, clypeus emarginate in front, impressed 
on each side, margin reflexed, eyes not prominent, antenne testa- 
ceous; prothorax transverse one and a half wider than long, very 
broad at the base, plainly narrowed, anterior margin broadly emar- 
ginate, posterior roundly produced in the middle, impressed as 
a sinus after the scutellum ; elytra twice the length of the thorax 
and little wider, very slightly ampliated past the middle, sub-truncate 
at apex, obsoletely striate, the sutural stria deeper than the others; 
scutellum triangular; pygidium broadly triangular, convex, rounded 
at apex; pectus and abdomen convex, sternum with an almost 
obliterated longitudinal sulcus; legs red, femora closely punctate, 
anterior ones simple, posterior dilated; anterior strongly tri-dentate, 
median and posterior spinulose outwardly, and with long hairs 
internally. 
Length 6°5-7°5 mm. ; width 4-4:°3 mm. 
Hab. Boroma, on the Zambesi River.”’ 
SERICA ZAMBESINA, Brancs., 
IBrorchy itis, os ILI 
‘‘Brownish, opaque, ovate; clypeus roughly and sub-rugosely, 
frontal part sparsely and finely punctate, slightly carinulate in 
the centre ; clypeus separated from the frons by a raised line, very 
slightly sinuate in front, and having the margins slightly reflexed ; 
antennz testaceous ; prothorax transverse, twice as broad as long, 
