130 



•BEES OF GREAT BRITAIN. 



having at its basal margin laterally a rufo-piceous spot • the 

 basal margin of the third segment is ferruginous in the middle • 

 the second segment has on each side a transverse cream-coloured 

 oval macula, the third a narrower and more elongate one • the 

 fifth has a square spot of the same colour ; beneath, immacu- 



^'^*^- B.M. 



Male. Length 3 lines.— Head and thorax black, the anterior 

 margin of the clypeus, the labrum, mandibles and scape in 

 front, yellow ; the flagellum ferruginous. Thorax : the collar 

 tubercles, tegula; and the scutellum yellow ; wings and legs as 

 m the other sex. Abdomen ferruginous, the base black • the 

 second segment has in the centre a rufous angular spot' and 

 two ovate cream-coloured maculae, pointed within, beyond 

 which the abdomen is rufo-piceous ; the third and fourth have 

 interrupted fascia;, the sixth is entirely cream-coloured. 



This species was not known as a British insect until it was 

 discovered near Blackwater, Hants : it is an autumnal species 

 and was captured on the Ragwort {Senecio Jacolma) in company 

 with iV. Solidaginis. Mr. Walcott has a specimen of the male 

 captured by Mr. Dale. 



12. Nomada armata. 



N. atra ; scutello punctis duobus, Unea transversa subtus, an- 

 tennis pedibusque ferrugineis; abdomine rufo, segmentis in- 

 termediis maculis flavis. 



Nomada armatu, Schqf. Germ. Zeits. I 279. 10. 



Smith, ZooL vii. Append. 41. 

 Nomada Kirbii, Steph. Illus. Brit. Ent. Mand^^l t. xliii. f. 1 (? . 

 Nomada cmcticornis, Nyland. Ap. Boreal, p. 182. 12 $ . 



I 



Female. Length 5| lines.— Head and thorax black : the anterior 

 margin of the clypeus, the mandibles and antenna, and some- 

 tunes a mmute dot above the eyes, ferruginous ; the scape fus- 

 cous, the flagellum has the eighth and three following joints 

 fuscous, the apical joint ferruginous ; a minute acute tooth in 

 the centre of the labrum. Thorax : a narrow line on the collar, 

 the tubercles, the tegulse, two spots on the scutellum, and the 

 post-scutellum, ferruginous; a patch beneath the wings and 

 the margin of the metathorax fringed with silvery white pubes- 

 cence ; the legs ferruginous, the coxse and trochanters, except 

 their extreme apex, and all the femora towards their base be- 

 neath, black; the basal joint of the posterior tarsi fuscou^ on 



