- 118 APID.E. 



mandibles yellow ; the flagellurn ferrugiuous, three or four of the 

 basal segments black above. Thorax — the tubercles, tegulse, and 

 two minute dots on the scutellum yellow ; the latter sometimes obso- 

 lete ; the anterior legs yellow, the intermediate and posterior pairs 

 ferruginous, their coxa) and femora black beneath, the kuees and 

 the intermediate tibia) and tarsi yellow, the latter stained with 

 ferruginous. Abdomen as in the other sex, the yellow bands being 

 brighter and rather broader. The wings are nearly hyaline, their 

 apical margins faintly clouded, the nervures pale testaceous. B.M. 



This beautiful species is very local, but ^id^^pj^aaV'ircivino- 

 been received fW s t -,,il.,iu , - - it is not rare to the north of London 

 i^'U'-rxYiiinpstead and Highgate ; it has been observed about the 

 'burrows of Andfena labialis, and also those of A. rufa. It is pro- 

 bably one of those bees that are parasitic on various species. 



8. Nomada aruiata. 



N. atra ; scutello punctis duobus, linea transversa subtus, antennis 

 pedibusque ferrugineis; abdomine rufo, segmentis intermediis 

 maculis flavis. 



Noruada armata, Schaff. Germ. Zeks.i. 279 <$ . 



Smith, Zool. vii. Append. 41 ; Bees Great Brit. 130 J $• 

 Nyland. Notts, ur Srillsk. pro Faun, et Flo. Fenn. ii. 232. 

 Thorns. Opusc. Fnt. 91 ; Hijm. Scand. ii. 199. 



Noflfada kirbvella, Steph. Illus. Brit. Fnt. Supp. pi. xliii. fig. 1 S . 



Nomada cincticornis, JS'yland. lib. cit. 162 5 . 



Female. Length o.j lines. — Head and thorax black ; the anterior 

 margin of the clypeus, the mandibles and antenna?, and sometimes 

 a minute dot above the eyes ferruginous ; the scape fuscous ; the 

 flagellurn has the eighth and thiee following joints fuscous, the 

 apical joint ferruginous : a minute acute tooth in the centre of the 

 labium. Thorax — a narrow line on the collar, the tubercles, the 

 tegulse, two spots on the scutellum, and the postscutellum ferru- 

 ginous ; a patch beneath the wings and the margin of the rneta- 

 thorax fringed with silvery white pubescence ; the legs ferruginous, 

 the coxae and trochanters, except their extreme apex, and all the 

 femora towards their base beneath, black ; the basal joint of the 

 posterior tarsi fuscous on the outside, Abdomen ferruginous, the 

 base black ; the second segment has on each side an ovate yellow 

 macula, and the third and fourth segments a short transverse yellow 

 line on each side at their basal margins. B.M. 



Male. Length 5^ lines.- — Head and thorax black, the flagellum 

 ferruginous, its two apical joints having a black spot above ; the 

 mandibles yellow, their tips ferruginous ; the labrum armed with 

 a sharp tooth in the middle ; the face coveied with silvery white 

 pubescence. Thorax — the pubescence on the disk yellowish, that 

 on the sides and beneath hoary ; the tubercles, tegx^a?, tibiae, and 

 tarsi ferruginous; the femora at their apex above ferrugiuous; 



