118 HYMENOPTERA. 



147. AnDRENA ORSCUUII'ENMS, n. S. B.M. 



Female. Length 7i lines. — Blaek, the face clothed with ful- 

 vous pubescence, the cly])eus ferruginous towards the anterior 

 margin, closely ])uncture(i and having smooth central longitu- 

 dinal lines. Tliorax clothed with fulvous pubescence, it is short 

 and dee])est coloured on the disk, on eadi side of the metathorax 

 forming a dense lloccus of a paler colour ; wings reddish-brown, 

 having a violet reflection, teguLx fulvous, nervures dark brown ; 

 legs pale ferruginous, clotlied with fulvous ])ubescence. Abdo- 

 men ovate, shining and finely pmictured, having merely a few 

 short scattered fulvous hairs at the sides and towards the apex, 

 the anal fimbria fulvous ; Ijeneath, the margins of the segments 

 narrowly testaceous and ciUated with fulvous haii-s. 

 Hub. Georgia. 



148. Andrena perplexa, n. s. B.M. 



Female. Length 6 Unes. — Black, the pubescence on the face 

 pale fulvous, the clji^eus strongly punctured ; the thorax clothed 

 with fulvous pubescence, which is palest on the sides of the 

 metathorax and beneath ; wings subhyahne, theii* apical margins 

 clouded, the nervures rufo-testaceous ; the legs nifo-testaceous, 

 their jmbescenee fulvous, the floccus pale fulvous, the tarsi 

 ferruginous. Abdomen ovate, shining, finely and closely punc- 

 tured ; the apical margins of the segments rufo-testaceous, 

 smooth, shining and impunctate; sides of the abdomen and 

 towards the apex covered with fine griseous pile, anal fimbria 

 fusco-ferruginous. 



Obs. In general appearance much resembling A. nitida, but 

 differs in having the head entirely clothed with pale hair, the 

 legs are of a different colour as well as their pubescence, the ab- 

 domen is also of a more elongate form. 

 Hob. Georgia. 



149. Andrena nivalis, n. s. B.M. 



Female. Length 6 lines. — Black, the pubescence on the face 

 pale fulvous, the chqieus deeply punctm-ed ; the thorax clothed 

 with fulvous pubescence, palest on the sides and beneath ; wings 

 rufo-hyaline, nervures and tegidse ferruginous ; the legs have a 

 reddish-brown pubescence, the seopa beneath fulvous ; apical 

 joints of the tarsi ferruginous. Abdomen ovate, shining, the 

 apical fimbria sooty-black intermixed with ferruginous haii's ; 

 beneath rufo-testaceous. 



Hab. Hudson's Bay ; United States. 



