191S.] 37 



true afzeliella, but the species was not distinguished from 



willella K. {nee E. S. op. cit.) ; cf. E. Saund. " Hym. AcuL" 



under A. wilkella. 

 Andrena afzeliella and race intermedia Perkins, Ent. Mo. Mag. xxv, 



p. 128. 

 Andrena a-^zeliella var. fuscafa race ? intermedia E. Saunders, "Hyni. 



AcuL" (of British Islands) p.' 268. 



AinjRE^'^A WILKELLA Kirbj. 

 Melitta wilJcella Kirbv, Mon. A p. Angh ii, p. 145, no. 84, $ . 

 Melitta harhatula Kirbj, op. cit. p. 152, no. 92, J . 

 Melitta xanthura Kirby, op. cit. p. 164, no. 105, $ (S . 

 Melitta convexiuscula Kirby, op. cit. p. 166, no. 106, $ var. stylopized. 

 Andrena convexiuscula Smith, Cat. Brit. Hym. (1855) p. 102, $ S 



var. stylopized. 

 Andrena icilkella Smith, op. cit. p. 105, $ . 

 Andrena xanthura Smith, op. cit. p. 106, partim. (The description 



of the (S was drawn up probably from an afzeliella mainly, and 



the $ from a similis Sm., but the true loilJcella was included 



with these.) 

 Andj'ena convexiuscula Smith, Cat. Brit. Hym. (1876) p. 72, 2 (^ var. 



stylopized. 

 Andrena xanthura Smith, op. cit. p. 74, 5 {partim) & S. TTlie 



females given to this species were both icilTxella K. and similis 



Sm. ; harhatula K. and ivilkella K. are rightl}' cited as identical 



with it.) 

 Andrena afzeliella and var. convexiuscula E. Saunders, Tr. Ent. Soc. 



Lond. 1882, p. 281, 6 $ partim. (At this time afzeliella K. 



and xanthura K. were considered one species by Saunders, and 



wilkella K. and similis Sm. were held to be identical.) 

 Andrena xanthura Perkins, Ent. Mo. Mag. xxv, p. 128. 

 Andrena ivilkella E. Saunders, ** Hym. Acul." p. 267. 



AxDEEXA SIMILIS Smith. 

 Andrena similis Smith, Zoologist, vii, Append. Ix, <5 . 

 Andrena similis Smith, Cat. Brit. Hym. 1855, p. 63, J . 

 Andrena similis Smith, op. cit. 1876, p. 37, 6 ■ 



Andrena ivilkella E. Saunders, Tr. Ent. Soc. Lond. 1812, p. 282, J 5 . 

 Andrena similis Perkins, Ent. Mo. Mag. xxv, p. 128. 

 Andrena similis E. Saunders, *' Hym. Acul." p. 266. 



With the exception of certain males of A. ovatula {afzeliella) 

 and ivilkella {xanthura) there is no difficulty in distinguishing each 



