BEES OF GREAT BRITAIN. 93 



52. Andrena chrysosceles. 



A. nigra, cinereo-subpubescens ; abdomine nitido, fasciis inter- 

 ruptis albis ; ano, tarsis, tibiisque posticis, testaceis. Mas, 

 facie antice albida. 



Melitta chrysosceles, Kirby, Mon Ap. Angl. ii. 143. 82. 

 Andrena chrysosceles, Smith, ZooL v. 1917. 17. 



Nyland. Ap. Boreal, p. 218. 15 ; Revis. Ap. Boreal p. 257. 26. 



Female. Length 4-4 lines. Black; the face has a short 

 glittering whitish pubescence, the channels on each side of the 

 face covered with a fulvous pile, the apex of the flagellum fulvo- 

 piceous beneath. Thorax : the disk has a very thin pale ful- 

 vous pubescence, and on each side over the tegulae an ab- 

 breviated impressed line; the wings fulvo-hyaline, iridescent, 

 the nervures and tegulae pale rufo-testaceous ; legs nigro-pice- 

 ous, and having a pale pubescence ; the tarsi and the posterior 

 tibiae fulvo-testaceous ; the floccus and fringe of the femora 

 white, the scopa of a pale golden yellow, very bright and glit- 

 tering. Abdomen subovate, subdepressed, shining and very 

 delicately punctured ; the apical margins of the three interme- 

 diate segments have a very narrow white marginal fringe, the 

 tirst two usually interrupted ; the apical nmbria bright fulvous. 



B.M. 



Male. Length 3^-4 lines. Head rather wider than the thorax, 

 the clypeus pale yellow, and having on each side a minute black 

 dot; the pubescence on the clypeus silvery-white, above and 

 on the vertex very pale fulvous, it is of the same colour on the 

 disk of the thorax ; wdngs and legs as in the other sex, the pos- 

 terior tibiae fuscous and pale at the apex. Abdomen lanceolate, 

 shining and delicately punctured, the margins of the segments 

 obscurely rufo-piceous, the intermediate ones having laterally 

 a short fringe of white pubescence, the apex pale testaceous. 



B.M. 



This species usually appears in June ; it is widely distributed, 

 but is still a local insect ; it occurs in many places in the London 

 district, and is frequently taken on Umbellifera at wood sides, 

 &c. ; it is a very distinct species and easily recognized. 



