386 H - Friese, 304 



gradually wider towards the apex, its base rounded; its bordering tooth has a short blunt tooth attached to its 

 base on the outer side, outside are 4 irregulär, but stout teeth. L. 13 mm. 



Mandibles bidentate, teeth large, subapical bluntly rounded, apex of clypeus incised, 3. antennal Joint 

 twice the length of the 2. and distinctly shorter than the 4. Head and thorax closely, distinctly punctured; 

 segment 7 becomes on the basal half, gradually, roundly narrowed to the middle, apical half is distinctly 

 narrowed compared with the basal; it is rounded and narrowed at the apex; sides at the base are depressed, 

 centre raised to a point behind the middle, apical portion of this central keel being thus the larger; both have 

 oblique slopes. Fore coxae with stout, curved spines, 4 apical joints of the tarsi are rufous, hair on the under 

 side of the tarsi fulvous. 



Transvaal. 



3Iegachile hecate Vach. 

 1903 Megachile hecate Vachal, 3, in: Ann. Soc. ent. France, T. LXXII, p. 371. 



$. Nigra, brunneo-nigro-pilosa. Mesonotum et scutellum punctis crassis confluentibus. Piü faciei et 

 temporum griseo-flavidi. Mandibulae basis latior quam verticulum ejus, angulo basali externo in dentem angulosum 

 producto. Articuli 5 — 13 latitudine sua fere duplo longiores. Tarsus 1 rufescens vix dilatatus, 2 postice, 3 postice 

 et antice ciliatus. Segmentum 6 in parte basali carinatum, in parte apicali impressum, ejus lamina sat angusta in 

 medio sinuata et utrinque minus late sinuata, segmentum 7 parum exsertum rotundato-truncatum. L. 9% mm. 



1 d de la region du Tanganyika, coli. Vachal. 



Ostafrika. 



Megachile hopilitis Vach. 

 1903 Megachile hopilitis Vachal, rf?, in: Ann. Soc. ent. France, T. LXXII, p. 371. 



6- Nigra, tarsi antici simplices articulis 2 — 5, aliorum onychio, segmentorum intermediorum extremo 

 apice et ventris segmento 6 triangulari et calcaribus rufescentibus. Pili omnes pallidi, sub tarsos anteriores 

 rufescentes, in segmentis fasciis apicalibus in 1 — 4 late interruptis, in 5 completa, in 6 totam aream occupante. 

 Alae fumato-hyalinae. Mandibulae extus dente magno sat acuto; segmento 6 utrinque et in medio carinato, 

 carinis lateralibus dentiformibus porrectis, spina utrinque plus minus longa carinulae mediae approximata, dente 

 plus minus conspicuo inter spinam et carinam lateralem; segmento 7 angulato-carinato. L. 13 mm. 



1 6 de Lagoa, coli. Vachal. 



Westafrika. 



Megachile imitata Sm. 



1853 Megachile imitata Smith, J?, in: Catal. Hymen. Brit. Mus., Vol. I, p. 158. 



$. Black, face has a sooty-black pubescence, clypeus anteriorly broadly emarginate; mandibles longitu- 

 dinally sculptured, having 2 or 3 grooves towards their apex, which is obsoletely bidentate, the tooth at the apex 

 rounded; wings fuscous, at the sides of the metathorax a little fulvous pubescence, on other parts of the thorax 

 it is sooty-black; on the legs above it is pale fulvous and on the tarsi beneath bright fulvous; calcaria and 

 claws ferruginous. Abdomen entirely covered with fulvous pubescence. L. 6 lines (= i2Y 2 mm). 



$ — coloured as in the other sex, face clothed with long white pubescence; thorax, the tegulae rufo- 

 testaceous, anterior femora, tibiae and tarsi and the apical joints of the intermediate and posterior tarsi, 

 ferruginous; posterior legs covered with cinereous pubescence, as well as the thorax and abdomen beneath. 

 L. ? mm. 



Südafrika. 



This species in general appearance closely resembles M. mystacea and M. rufiventris, particularly the male. 



