by T. D. A. Cockerell. 299 
scopa white, tinged with pale fulvous in middle ; hind basitarsi short 
and broad : pulvilli present. 
Three from Bluff, Durban, 13th and 28th January, 1917 (C. N. 
Barker). 
DIANTHIDIUM SPILOTUM, Sp. nov. 
d. (Type). Length about 7 mm.; black, robust, head and 
thorax with white hair, on vertex and dorsum of thorax thin and 
tinged with ochreous; mandibles cream-colour with the bidentate 
apex black; the cream-coloured face-markings including clypeus, 
except upper margin (the upper edge of the light area trilobed), a 
round spot beneath each antenna, and large cuneiform lateral marks ; 
antenne black ; head and thorax very densely punctured ; scutellum 
projecting, shallowly emarginate; tegule large, copper-red, closely 
punctured ; wings dusky, thorax all black except two short obscure 
lines on hind margin of scutellum ; femora black with red knees, the 
anterior and middle femora mainly red in front ; anterior and middle 
tibiae red in front on inner side, and at apex, hind tibia mainly 
black ; basitarsi mainly yellowish, the small joints reddish, anterior 
and middle tarsi with a dense fringe of white hair behind ; abdomen 
closely punctured, with a large cream-coloured spot on each side of 
first two segments, third on each side with a lateral dot and sub- 
lateral dash, fourth with lateral dots and a pair of very large 
transverse marks on disc, fifth with a broad band (emarginate in 
middle, and not reaching sides of segment), sixth nearly all pale, but 
seventh brown ; sixth segment without lateral teeth ; seventh broad, 
tridentate, the middle tooth small. 
9. Similar, but face all black except lateral marks, which are 
subquadrate below, with a linear extension along obits more than 
half-way up front; mandibles black, with a small basal pale yellow 
spot ; lines on edge of scutellum as in male; hind legs ornamented, 
the tibia on outer side with a very large oval black area, bounded at 
each end by cream-colour, the whole on a red ground ; hind basitarsi 
with a large cream-coloured area with a dark edge ; light abdominal 
marks smaller, third segment with only a pair of dots ; ventral scopa 
pale fulvous, white at sides. Pulvilli present. 
Both sexes from Karkloof, January, 1918 (KH. E. Platt). The 
female is easily known from that sex of D. zebra (Friese) by the 
black clypeus, lack of yellow marks at sides of mesothorax and on 
axille. ete, 
