118 Transactions South African Philosophical Society. [vow. Xut. 
Leribe of the Sub-Family Srmricine, connects the latter with the 
Pachypodini. Owing to the obliteration of the labrum the genera 
Achelyna and Pleistophylla, are also connected with the Sericine, but 
are differentiated by the mode of insertion of the spurs of the hind 
tibiae as well as by their Pachypodinous appearance. 
Key to the Genera. 
A?. Labial palpi inserted laterally. 
| B. Antenne 10-jointed. 
C?. Frontal part not carinate laterally ‘above the eyes. 
D2. Vertex without a transverse ridge. 
Ki. Anterior tibie tri-dentate outwardly. 
F3, Antennal club tri-jointed, joints laminate, 
parallel. 
Antennal club not very long, acuminate ; 
claws with a tooth-like angle at the base Onocheta. 
Antennal club very long, not acuminate, 
claws with a sub-median vertical tooth 
undermesthi ys se pal cece we peteueeectigostetnas 
F?, Antennal club more than tri-jointed, joints 
laminate, parallel. 
Antennal club longer, 5-jointed -. .- Macrophylla. 
Antennal club 6-jointed .. .. ..° .. Pleiophylla. 
E'. Anterior tibiee bi-dentate outwardly. 
Antennal club 7-jointed .. .. .. .. .. Hucylophylla. 
Ft. Antennal club tri-jointed, joints spatuli- 
form. 
Head with a frontal tubercle ; prothorax 
GMENEN@>o 65 50 of vo oe aa oo Jihinneeine 
C. Frontal part carinate laterally. 
D'. Vertex with a transverse ridge or prominence. 
hi‘. Anterior tibise tri-dentate outwardly. 
I?, Antennal club tri-jointed. 
Clypeus straight but slightly emarginate 
in front. 
Upper lobe of maxille plainly toothed; 
antennal club not much longer than the 
pedicel... c2-. wit eee Bee SGP ee he) Basco tien 
