207 Die Bienen Afrikas nach dem Stande unserer heutigen Kenntnisse. 389 



Mandibles with 2 bluntly rounded teeth, 2 smaller than the 1., behind the 2., tooth they are broadly slightly 

 rounded dilated; their middle deeply, widely grooved, the groove widest at the apex; outside it, on the apical 

 half is a narrower furrow. Head closely, strongly punctured, less closely in the centre of the clypeus, which 

 has its apex depressed and clearly separated, it is transverse. Thorax closely, strongly punctured; metanotal 

 area coarsely aciculated. Abdomen closely punctured above, without transverse furrows; apical joints and the 

 under side of the basal of the fore tarsi are testaceous, hair on the legs cinereous; spurs pale testaceous, base 

 of metatarsus 2 /s °f the width of the tibiae, metatarsus slightly shorter than the other joints united. Mandibles, 

 inside the furrow, bear elongate, large punctures; they are sparsely covered with pale hair. 



Transvaal. 



This species comes close to M. robertiana, which may be known from it by the basal half of the mandibles 

 being densely covered with grey pubescence, apical furrows are much less clearly defined, apical 2 teeth more 

 equal in size, apex of the clypeus not transverse in the middle and its sides roundly waved; the hair is denser 

 and longer both on the body and legs; and on the under side of the tarsi it is bright red. 



Megachile vneles Vach. 

 1903 Megachile meles Vachal, 5, in: Ann. Soc. ent. France, T. LXXII, p. 371. 



?. Nigra, nigrescente et albescente pilosa ; truncus in callis, metanoto et segmento mediali pilis albidis, 

 in mesonoto nigris et griseis mixtis ; abdominis dorso griseo-albis, plus minus setis nigris immixtis, fasciis apicalibus 

 1 — 5 albis plus minus conspicuis semi-appressis. Calcaria brunnea, alae fere hyalinae. 



?. Clypeus rotundato-truncatus; mandibulae acie ante apicem excisa, sinu utrinque dentato, inter dentem 

 et angulum apicali-internum vix angulata. Scopa palLide fulvida in valvula nigra. L. 16 — 17 mm. 



2 $ de Monteiro, baie de Lagoa, au Mus. de Bruxelles, et 1 $ de l'Afrique Orientale allemande, coli. 

 Vachal. 



A quelque ressemblance avec M. felina Gerst., mais est plus petite et a le chaperon plan. 



Megachile mitimia Cockll. 

 1908 Creightonella mitimia Cockerell, J, in: Entomologist, p. 146. 



rf. Black, rough with very dense minute punctures; legs entirely black, except that the claw Joint is 

 obscurely reddish, and the claws have the basal half red; hind margins of abdominal segments, and the teeth 

 on sixth segment, red; mandibles bidentate, the inner tooth rounded; clypeus not at all keeled, the punctures 

 larger in the middle than at the sides, the anterior margin a little produced and truncate in the middle; hair of 

 head and thorax dull white, not abundant, on posterior part of pleura it is reddish; tegulae ferruginous, fuscous 

 basally; wings yellowish hyaline, apical margin a little darkened, nervures ferruginous; the scanty hair of legs 

 mainly black or fuscous, but the tarsi fringed with bright fox-red hair; first two abdominal segments with much 

 bright fox-red hair; hind margin of fifth segment and upper surface of sixth, rather thinly clothed with red hair; 

 first two ventral segments with scattered reddish hair. L. 15 mm. 



Ekuiva Valley, W. Africa, at flowers of a native species of mint, collected (1907) by Dr F. CREIGHTON 

 Wellman. The specific name means black and red in the language of the Sula Islands. 



Another species of Creightonella, differing by the colour of the hair on the tarsi and ventral abdominal 



segments, etc., has been described by Friese (Zeitschr. f. Hym. Dipt, 1903, p. 273) as M. sexdentata. Unfort- 



unately this name was used by Robertson in 1895 for an American species, so it will have to be changed. 



M. mandibulata Smith, is also perhaps a Creightonella, but this cannot be definitely determined without an 



examination of the types. 



39* 

 50* 



