XXV.—On South African Bees, chiefly collected in Natal, 
by 
T. D. A. Cockerell, University of Colorado. 
MEGACHILE RHODESICA, sp. nov. 
@. Length about 10 mm.; black, with the general appearance of 
M. venusta ; hair of head and thorax above pale ochreous, darkest on 
vertex, but nowhere fuscous or black ; face, cheeks, pleura and meta- 
thorax with long white hair, first abdominal segment with long creamy- 
white hair, the sides of first segment, and extreme lateral margins of 
second and third, with the tegument red; abdominal segments with 
linear dull white hair-bands, the second with wholly pale hair before 
the band, the others ‘with scanty short black hair, the sixth segment 
with pale tomentum and short black hair; ventral scopa white on 
first two segments, then clear orange-ferruginous, black or dark fuscous 
on last segment. Eyes pale pea green; mandibles quadridentate, 
obscure reddish subapically, the base with white tomentum ; clypeus 
and supraclypeal area rather elevated in middle, roof-like, but not 
keeled, broadly polished and impunctate in middle, the whole covered 
by long hairs which converge toward the middle from each side ; flag- 
ellum rather long, very obscurely reddish beneath ; mesothorax and 
scutellum dull and finely roughened ; tegule testaceous ; wings 
hyaline, faintly brownish, stigma ferruginous, nervures dark; legs 
dark castaneous or partly piceous ; hair of legs white; hind basitarsi 
not much broadened, not so broad as tibia. 
Bulawayo, Rhodesia, 23rd September, 1918 (E. C. Chubb). Three 
specimens. 
MEGACHILE NATALICA, sp. Nov, 
?. Length 10-10°5 mm.; black, similar to J/. rhodesica, but a 
little more robust ; eyes dark brown or black ; vertex with Auscous 
or reddish fuscous hair ; legs black ; red hair of scopa very bright, 
and black on last segment intense; abdominal bands clear white. 
Very close to the last ; possibly a sub-species, but no intermediates 
are known. 
Type from Winklespruit, Natal, 4th January, 1919 (C. N. Barker). 
Also from Bluff, Durban, 23rd February, 1907 (C. N. Barker). 
(286) 
