j,2 H. Friese, 50 



Halictus chalybaeus Friese. 

 1908 Halictus chalybaeus Friese, ?, in: Sjöstedt, Kilimandjaro-Exp., Bd. VIII, p. 123. 



?. Ueberall stahlblau, sparsam weißlich behaart, Kopf groß, dick, von Thoraxbreite, äußerst fein 

 skulpturiert, innere Orbitae parallel; Wangen fehlen, Mandibelende rotbraun, Labrum und Antenne schwarz; 

 Mesonotum fast glatt, glänzend, sonst Thorax fein skulpturiert und matt, auch Area. Abdomen fein punktiert, 

 Segmente 3mal so breit wie lang, Segment 6 und Analfurche rotgelb behaart. Bauch schwarz, mit gelblichen 

 Segmenträndern. Beine schwarz, Tarsen braun, Ivlauen rotgelb, Scopa dünn, weißlich, Flügel hyalin, Adern 

 gelblich, Tegulae braun. L. 7 mm, Br. i ^/^ mm. 



I $ von Kibonoto am 2g. Juni, 1300 — 1900 m. 



Kilimandjaro, Deutsch-Ostafrika. 



HaUctus clavatus Sm. 



1853 Halictus clavatus Smith, <?, in: Cat. Hym. Br. Mus., Vol. I, p. 55. 



(J. Head and thorax black, closely and finely punctured, antennae fulvous beneath, face covered with 

 a silver)' white pubescence. Thorax; the wings h3'aline, their apex having a fuscous cloud, the tegulae and 

 nervures ruf o-piceous ; the legs rufo-piceous, tarsi and anterior tibiae paler. Abdomen nigro-piceous, clavate, 

 basal Segment subpetiolate. L. 2 ^^ lines {^= 5 mm). 



Sierra Leone. 



Halictus collegus Cam. 

 1905 Halictus collegus Cameron, ^, in: Rec. Albany Mus., Vol. I, p. 189. 



i. Black, apex of the clypeus pale lemon-yellow; underside of the flagellum, tarsi for the greater part 

 testaceous, wirigs hyaline, nervures and stigma fuscous, cubital cellula 2. hardly '/., the length of the 3., recurrent 

 nervure i interstitial, tegulae yeUowish - testaceous on the outer, black on the inner half, base of metanotum 

 irregularly longitudinally striated. L. 6 mm. 



Lower part of front, face and clypeus thickly covered with white pubescence, the hair on the thorax 

 white; head, pro-, mesonotum and scutellum closely, finely, distinctly punctured; upper part of the mesopleurae 

 closely punctured, hind part longitudinally striated, Striae distinct and clearly separated. Apex of metanotum 

 smooth, shining, bare; it is bordered by a stout keel. Abdomen smooth, shining, apices of the segments piceous. 



Transverse cubital nervures i. — 2. are straight, slightly oblique, 3. oblique in front, broadly rounded 

 below; face not elongated; apical half of mandibles rufous. 



Kapland — Museum grounds, Grahamstown im November. 



Halictus creightoni Cockll. 

 1908 Halictus creightoni Cockerell, $, in: Entomologist, p. 122. 



?. Black, with duU white hair; abdomen black, with the hind margins of the segments concolorous; 

 bases of segments 2 to 4 with bands of dense pure white tomentum, these all broad laterally, but narrowing 

 mediaUy, and failing dorsally on 2 and 3; tegulae shining black; wings strongly dusky, nervures and stigma 

 black; legs black, except claw-joints, which are reddish; hair of legs white, faintly yellowish on inner side of 

 tarsi, brush at end of hind basitarsus dark fusco-ferruginous; spurs ferruginous; hind spur long, its apical half 

 simple, the basal half with a row of minute nodulcs; apical region of abdomen with scattered coarse black 



