by 7. D. A. Cockerell. 289 
covered with creamy-white hair, cheeks below with pure white ; 
apical tooth of mandibles long and sharp ; flagellum very obscurely 
reddish beneath; hair of vertex very slightly fuscous; thorax with 
very pale yellowish-tinted hair above, white below, on scutellum and 
disc of mesothorax the hair is faintly tinged with fuscous ; tegule 
bright ferruginous ; wings hyaline, the outer border pale brownish ; 
stigma dark reddish, nervures piceous ; anterior tarsi almost simple, 
but with a rather long white fringe behind ; anterior coxz with short 
slender spines ; middle tarsi covered with long shining silky white 
hair ; spurs red ; abdomen with pale ochreous hair on first segment ; 
segments with apical slightly creamy hair-bands, and narrower 
whiter bands along the subbasal grooves ; disc of second segment 
with ochreous hair, of third to fifth with black hair; sixth segment, 
except the keel, densely covered with appressed pure white hair ; 
keel of sixth segment rounded, minutely subcrenulate, with a broad 
but not deep median notch ; beneath are four short red spines. 
Doonside, 6th January, 1917 (A. L. Bevis). The general 
appearance is very like that of J/. damaraénsis Friese, but that has 
only the fifth abdominal segment with black hair on disc. 
MEGACHILE BARKERI, Sp. nov. 
g. Length about 8 mm.; black, of the short and broad type ; 
antenne long, entirely black; mandibles with a red subapical spot ; 
anterior femora and tibie red in front; hair of head and thorax 
mainly fulvous, pale golden on face, long and white on under side of 
head and thorax, long and black on vertex, strongly mixed with 
black on mesothorax, but not scutellum; vertex glistening, but 
mesothorax and scutellum entirely dull; tegule piceous; wings 
dusky, stigma and nervures black ; anterior coxe with short spines, 
hidden by hair; anterior tarsi long and simple, but hairy ; with the 
first two joints pallid apically; hair of legs very pale yellowish ; 
spurs cream-color ; first abdominal segment with long fulvous hair, 
second to fifth with black hair, but with narrow even cream-coloured 
apical hair-bands; sixth segment densely covered with cream-coloured 
tomentum, the keel very broadly but shallowly excavated in middle, 
with a couple of little teeth on each side of the excavation. 
Durban, 3rd March, 1918 (C. N. Barker). 
MEGACHILE HETEROTRICHA, sp. nov (barker: var ?) 
¢. Length about 8°35 mm.; very like J/. barkeri, but with hair of 
mesothorax all fulvous; apical emargination of abdomen (keel of 
