i q Die Bienen Afrikas nach dem Stande unserer heutigen Kenntnisse. iqi 



Megachile pallorea Vach. 

 1903 Megachile pallorea Vachal, $, in: Ann. Soc. ent. Trance, T. LXXII p. 368. 



$. Nigra; caput et thorax squalido-griseo, in vertice et in mesonoto brunnescente, in segmento i albido 

 vestitis; prototorso 2 brunneo rufo-vestito ; lateribus segmentorum dorsalium 2—5 albo-mucoreis vel pilosulis; 

 scopa in segmento 6 et in lateribus segmentorum 3 — 5 atra, in medio basique pallide fulvida. Sub prototarsis 

 püis brunneo-rufis. 



Mandibulae solitae, praeter duos dentes apicales in medio aciei vix angulatae; sulculo inter dentes 

 perveniente puncto tomentoso rufo. Scutum nasale et clypeus simul convexa, in linea media lucidiora, clypeus 

 ante apicem transverse depressus, margine truncato. Mesonotum scabriusculum opaculum. Abdominis dorsum 

 dense parum distincte punctatum, unguinosum. Segmenta 5 — 6 in medio pilis nigris brevibus erectis. Prototarsus 

 3 magnus subtus convexus. Alae hyalinae nervis atris. L. 1 1 mm. 



1 ? de N'Doro X— XI. 98 (Bouyssou), coli. Vachal. 



Kongo. 



Megachile paucipunctulata Kirb. 

 1903 Megachile paucipunctulata Kiebt, in: Nat. Hist. of Sokotra, p. 251, tab. 16, fig. 3. (Von Sokotra.) 

 Beschreibung mir leider nicht zugänglich! 



Megachile perplexa Sm. 



1853 Megachile perplexa Smith, J, in: Catal. Hymen. Brit. Mus., Vol. I, p. 159. 



<?. Black, face clothed with pale fulvous pubescence, as are also the cheeks and body beneath; on the 

 Vertex and on the disk of the thorax it is black and brown at the sides of the metathorax; wings subhyaline, 

 faintly clouded at their apex; the tarsi beneath clothed with fulvous pubescence, the apical joints ferruginous, 

 the anterior tarsi simple, coxae unarmed. Abdomen short and thickly clothed with bright fulvous pubescence, 

 segment 6 slightly produced in the middle and notched at the apex; beneath the margins of the segments 

 testaceous. L. 4 1 /, lines (= 9V2 mm). 



Natal. 



This is another of the species which closely resemble the M. mystacea F., but the colour of the wings 

 and pubescence of the face at once distinguish it. 



Megachile prionsa Cam. 

 1905 Megachile prionsa Cameron, ?, in: Tr.-S.-Afr. Phil. Soc, Vol. XV, p. 249. 



S. Black, closely and strongly punctured, abdomen less strongly than the thorax, lower part of front, 

 face and clypeus thickly covered with longish clear white pubescence; pleurae and sternum covered with long 

 white, mesonotum with shorter, darker coloured hair; abdominal segments fringed with clear with white pubes- 

 cence, white, slightly tinged with fulvous ; wings hyaline, apical half tinged with violaceous, nervures and Stigma 

 black. L. 7 mm. 



Base of mandibles shining, distinctly punctured, the rest opapue, finely rugose and irregularly striated, 

 the outer edge keeled and there is another keel inside this, not reaching to the base, apex bidentate, subapical 

 tooth broader, shorter and more rounded than the apical. Inner orbits keeled, space between keel and the eyes 

 irregularly striated; apex of clypeus transverse with an irregulär edge; apical slope of metanotum smooth, 

 almost shining, clearly margined above, sides broadly rounded, slightly depressed in the middle, basal area stoutly 



