4 Transactions South African Philosophical Society. [vou, Xi. 
Claws cleft in both sexes, lower tooth 
wider than the upper. 
Anterior tibize bi-dentate. 
a?, Antennal club of male 3-jointed. 
Mentum broadly deplanated in front, 
femora broadly dilated .. .. .. <Autoserica. 
Mentum not deplanated in front, 
femora not broadly dilated .. .. Nedymoserica. 
at, Antennal club of male 4-jointed. 
Anterior tibiz bi-dentate, the four 
joints of the club equal in length.. Neoserica. 
Anterior tibiz tri-dentate, inner joint 
of the club shorter than the others.. Ltiserica. 
F'. Antenne 9-jointed. 
a?. Anterior tibie bi- or tri-dentate. 
b?. Anterior tarsi normal, claws normally 
cleftin bothsexes .. .. .. .. Stenoserica. 
The three ultimate joints of anterior 
tarsi short, triquetrous, last one 
swollen, lower tooth of inner claw 
very broadly dilated... .. .. .. Diaphoroserica. 
a, Anterior tibie tri-dentate. 
Claws normally cleft, lower tooth 
wider than the upper. 
Body glabrous on the upper side, 
inner margin of hind tibie straight Hyboserica. 
Body with erect bristles on the upper 
side, inner margin of hind tibia 
slightly ampliate.. .. .. .. .. Phtloserica. 
bt. Claws abnormal in the male. 
Anterior tarsi very short, ultimate 
joint enormously dilated, claws dis- 
torted, lower tooth broadly ampliated Huwronycha. 
Anterior claws of male very long 
and curving under the last joint of 
the tarsi, penultimate joints short .. Gryphonycha. 
EK’, Head with a clypeal and a frontal suture. 
Anterior tibie tri-dentate. 
Antenne 9-jointed. 
Antennal club twice the length of the pedicel, 
and curved Ce Mor: aco ean Ideserica. 
