194 Transactions South African Philosophical Society. 
E2 
DE 
ts 
. Basal angle broadly rounded. 
a?, Clypeus broadly truncated and emarginated. 
Median part of clypeal ridge directed backwards ; 
penultimate abdominal segment not broader than 
the preceding one aes Olu Ge ea eae 
Scutellum very closely punctate. 
Median part of clypeal ridge straight in the centre, 
strongly sinuate on each side; penultimate abdo- 
minal segment broader than the preceding one. 
Head broad, clypeus deeply emarginate ; pygidium 
punctured ; scutellum very closely punctate ex 
Head moderately broad, clypeus emarginate ; 
d fo) 
pygidium with a longitudinal, median, impunctate 
space; scutellum punctate laterally only .. .. 
at, Clypeus obtuse or not broadly truncate. 
b?. Clypeus not plainly sinuate. 
Penultimate abdominal segment not broader than 
the preceding one, the ultimate swollen.. ..  .. 
Penultimate abdominal segment broader than the 
preceding one, the ultimate broad, swollen ; lower 
(oYeo) Giitervelm iver Gs 50 oo co av oe 
Penultimate segment broader than the one pre- 
ceding, the ultimate narrow, plane; lower tooth of 
each claw very small .. 
b'. Clypeus sinuate. 
Penultimate abdominal segment not broader than 
the one preceding, ultimate one moderately broad, 
not swollen .. .. 
Basal angle sharp. 
\o 
I’, Prothorax plainly bi-impressed on each side 
near the apex and near the base. 
I"'. Prothorax not distinetly bi-impressed. 
a’, Clypeal carina straight. 
Clypeus broadly truncate in front, frontal part 
with a faint longitudinal ridge, but in the male 
(0) APN ne ate aay wii ou eqs 
a, Clypeal carina arcuate. 
G?. Penultimate abdominal segment not broader 
than the preceding one. 
H*. Body slender, sub-cylindvical in both sexes. 
[VOL. XIII. 
infantilis. 
transvaalica. 
parilis. 
puerilis. 
disputabilis. 
mediastina. 
inedita. 
meracula. 
