ih» A\n^K in the British }[useuyn. 457 



margin ; liind femora subtubercu- 



late. Length 10 mm dahjana, Cam, (Capo 



Colony ; Willowmore {lirauns) ; Trausvaiil 



(C/io/iitflaj).) 



21. (20) Tcrpites evenly punctured all over; a 



distinct tooth on outer surface of 



hind femora. Length H mm rw/^jes, Smith. (Gam- 



22. (10) Mesoiiotum densely clothed with [bia, t.) 



velvety pubescence ; legs yellow 

 and black. 



23. (24) Ilind femora armed with three sharp 



teeth below. Len<!:th 9 mm triilentata, Smith = c?"m- 



delis, A\'estw. (West Africa, t., N. Nifrerin (Smft- 

 Macfie, Simpson) ; Mashonaland {G. A. K. Mar- 

 shall).) ■ 



24. (23) Hind femora with only one sharp 



tooth. Length 11 mm. 

 2o. (2G) Abdominal fasciie griseous ; wings 



fuscous at apex jansei, Cam. (Trans- 



2G. (2o) Abdominal fasciae golden ; wings [vaal, t.) 



hyaline to apex annatnln (Smith). (Si- 

 erra Leone, t., N. Nigeria {Simpson).) 



Nomia [^[eganomia) andersoni, .op. n. 



J . Nigra ; facie prothoraceque flavo-maculatis, plus minusve 

 griseo-hirsutis, tergitibus 1-7 fasciis interruptis flavis ; flagello 

 serrate ; femoribus posticis incrassatis ; alls hyalinis. 



Long. 18 mm. 



Head and tliorax black ; mandibles (except apex), clypens, 

 the inner orbits to above insertion of antennae, a small line 

 behind each eye, scape beneath, four marks on prothorax 



in front \)\y', tubercles^ tegula3 in front, and axillse 



yellow ; mandibles at apex, flagellum beneath, and tegulae 

 behind forruojnous. Abdomen : tergites 1-7 black, with 

 yellow ta>cia3 widtdy interrupted in middle and widening 

 abruptly towards the sides ; sternites 1-3 yellow except for 

 three pairs of black spots, the remaining sternites black, 

 hegs : anterior coxaj, trocliantcrs, and femora mostly black ; 

 tibue and tarsi yellow, the tarsi with a conspicuous fringe of 

 bUick hairs on the inner side ; middle legs yellow; posterior 

 legs about equally black and yellow, the tarsi almost entirely 

 black. Clypeus apically truiicate, with a narrow, median, 

 quadrate tooth ; joints 4-10 of fi;igtdlum subtuberculate 

 l.( neath, the three terminal joints slender, forming a hook. 

 Hind femora greatly thickened, a distinct carina along the 

 inner side ; hind libite more or less flattened, convex, 

 widening gradually towards apex, the u|)per margin cariuate, 

 the apex with a blunt lamellate tubercle on the lower ed^^e ; 



