303 



Die Bienen Afrikas nach dem Stande unserer heutigen Kenntnisse. _jg^ 



Mandibulae magnae, acie tridentata, dente supero haud valido in medio sito. Clypeus nudus, tumidus 

 sed excavatus in medio marginis incisus, inde bidentatus, dentes magis inter se quam ab orbita remoti. Scutum 

 nasale planatum, nitidum. Mesonotum densissime, scutellum crassius et sparsius punctatum, pteromata tumida 

 fere impunctata. 



Alae fere hyalinae, apice infuscatae. 



Prototarsus 3 sat latus inferne probe basia convexus; calcaria testacea 



Abdomen sat dense punctatum lucidulum. L. 14 — 15 mm. 



cf. Facie fulvo-aureo, lateribus depressionum segmentorum 2—4 rufescente-brunneo, dimidio apicali 

 segmenti 5, et parte dorsali segmenti 6 tomento rufo vestitis. Segmentum 5 setis nigris intermixtis. Mandibularum 

 margo externus basin versus arcuatus inde angulum baso-externum liberum acutum in lana oris plus minus 

 occultum praebens. Lamina segmenti 6 lateribus retro convergentibus in medio arcuatim excisa, subtus foveolata 

 et margine apicali segmenti in medio paululum repando. 



Segmentis ventralibus i — 4 tantum conspicuis. L. 12 — 13 mm. 



2 1 ? et 2 c? de N'Doro X— XI 98, 2 d de Lastourville VIII— IX 98, coli. Vachal ; i ? et 2 d de N'Kogo, 

 au Mus. de Paris, tous des chasses de M. BouYSSOU; 2 ? de Lukungu (Haas) et de Popocabacca (Loos) et 

 3 (? de Boma (Tschoffen) et des chutes de Samlia (Mocquerys), au Mus. de Bruxelles. 



Kongo. 



Mef/achile f/alactogagates Grib. 

 1894 Megachile galadogagates Grtbodo, $, in: Bull. Soc. entom. Ital., Vol XXVI, p. 298, n. 136. 



$. Mediocris elongata angusta plano-cylindrica sat nitida nigerrima, capite thoracisque dorso parce 

 breviter fusco pilosulis; capite infra, pectore pedibusque (tarsis intermediis, et quoque sed minus anticis, densius) 

 cinereo parce puberulis; flocculis duobus facialibus ad latera clypei, duobus aliis sub alarum tcgulis, meta- 

 thoracisque pubescentia (praesertim hac in lateribus densa et longa) albis; abdominis dorso fere glabro (parce 

 brevissimeque tantum nigro setuloso); segmenti primi lateribus flocculo magno sat longo albo ornatis; scopa 

 ventrali cinerea; alis obscure fuscis, violaceo micantibus, basi hyalinis; capite crasso robusto, thoracis latitudine; 

 clypeo apice recte transversim truncato, medio sat elevato-subpyramidato , sub elevationem oblique abrupte 

 truncato; area infera subtrigona nonnihil concaviuscula politissima, utrinque marginata; area supera convexiuscula 

 dense ut reliquo capite regulariter punctulata, opaca; mandibulis elongatis apice abrupte oblique truncatis 

 edentulis, ante apicem inflexis, et latere interno profunde arcuato emarginatis; thorace cylindrico magis longo 

 quam lato, dorso sat nitido, parce punctulato; abdomine capite thoraceque simul sumptis nonnihil longiori, 

 cylindrico apice conico, dorso sat nitido, segmentis margine depressiusculis , regio depressa dense tenuiter 

 punctulata, regio basali segmenti primi modice subcrasse punctata 4. densius, 5. confertim, 6. confertissime 

 punctatis et punctulatis. L. 12 — 15 mm. 



Sagane'iti (Eritrea), Nordostafrika. 



Mefjachile harthula Cam. 

 1905 Megachile harthula Cameron, S, in: Tr. S.-Afr. Phil. Soc, Vol. XV, p. 250. 



(J. Black; the head and thorax densely covered with long whitish hair, that on the mesonotum having 

 a fulvous tinge; the basal four abdominal segments thickly covered with long fulvous pubescence, the fifth with 

 long, stiff black hair, its apex with a band of pale depressed pubescence; the sixth sparsely with long black 

 hair; the ventral surface rufo-fulvous, the segments fringed with pale pubescence; wirigs hyaline, the apex 

 infuscated, the nervures black; the sixth segment incised in the middle at the apex, the incision becoming 



