64 



BEES OF GREAT BRITAIN, 



second submarginal cell is less narrowed towards the marginal 

 than in A. albicans. Some of these differences may appear 

 slight, but it is slight differences alone which distinguish the 

 males of many very distinct species of this genus. The Museum 

 is indebted to Mr. Walcott for specimens of this species captured 

 near Bristol. 



Div. TIL — The thorax and abdomen densely covered with 



pubescence. 



16. Andrena falva. 



A, atra; thorace abdomineque supra hirsutis, fulvo-aureis, 

 subtus nigris. 



Apis fulva, Schranhj Ins. Just. p. 400. 805 ? • 

 Apis vestita, Fair. Ent. Syst. ii. 329. 65. 



Panz. Faun. Germ, 55. 9. 

 Apis vulpina, Christ. Hym, p. 161. t. 12. f. 13. 

 Melitta fulva, Kirhy, Mon, Ap. Angl. ii. 128. 68 ? . 

 Melitta armata, Kirhy, Mon. Ap. Angl ii. 121. 64 $ . 

 Andrena vestita, Latr. Hist. Nat. xiii. 362. 2 ? . 



Fahr. Syst. Piez. p. 323. 4. 



Coqueh. Illus. Sc. Ins. p. 25. t. 6. f. 7- 



Spin. Ins. Lig. fasc. ii. 191. 4, 

 Andrena fulva, St. Farg. Hym. ii. 245. 14 ? . 



Smith, Zool. v. 1746, 35 (J? . 



Nyland. Ap. Boreal. 214. 10 ^ ; Revis. Ap. Boreal 252. 8 <? ? . 



Lucas, Ewplo. Sc. Alger, iii. 180. 81. 



Female. Length b^-^h lines.— The pubescence of the thorax 

 above fulvo-ferruginous, that of the abdomen above bright 

 fulvous ; the pubescence on the body beneath, legs, and head, 

 black ; the wings hyaline, their apical margins faintly clouded, 

 the nervures ferruginous. B.M. 



Male. Length 4-5i lines.— Black ; the head as wide, sometimes 

 much wider than the thorax ; the clypeus has some long silvery 

 white pubescence, above which it is slightly fulvous ; the man- 

 dibles elongate, arcuate, and armed at their base with a short 

 acute tooth. Thorax : above clothed with fulvo-ferruginous 

 pubescence ; the legs have a fulvous pubescence ; the posterior 

 tarsi, and apical joints of the anterior and intermediate pairs, 

 ferruginous; wings as in the other sex. The abdomen ovate 

 lanceolate, the two basal segments thinly clothed with long 

 fulvous pubescence, the apicd margins of the following seg- 

 ments have a long fringe of the same colour. B.M. 



i 



