HymenopUra aculeata collected in Algeria. 185 



Halictus albarius, Per. 



$ 1. Biskra, between railway, Kilom. 199 and the River, 

 on Amherhoa lipini D.C, 8, iv, 94. {A. E. E.) 



Halictus albicinctus, Luc. 



? 1. Bouzarea, Algiers, 28, iv, 93. {A. E. E.) 



^ 1. Biskra, on Ammi vimaga, 28, v, 94. (A. E. E.) 



? 3. „ 28, V, 94 and 8, iv, 97. {A. E. E.) 



Halictus clavipes, Drs. 



$. Biskra, 14, v, 98. {F. D. 31) 



$ 3. Algiers, iii and iv, 98. {F. D. 31.) 



? 1. Constantine on M'cid, 22, v, 95. (A. E. E.) 



Halictus separandus, Frey, G. 



$ 1. Tizi Ouzou, on Calamintha, 15, vi, 93. {A. E. E.) 

 $ 2. Le Tarf, on Cynara cardunculns, 24, vii, 96. 

 (A. E. E.) 



Halictus platycestus, Dours. ? 

 $ 1. Bone, 12, viii, 97. (A. E. E.) 



Halictus callizonius. Per. 



^ 2, $ 2. Biskra, on Ammi vis7iaga, 17 and 24, v, 93. 



{A. E. E.) 

 $ 2. „ on Tamarix, 29, iv, 97. (A. E. E.) 



$ 2. „ on Cardims, 7, v and 18, v, 97. 



{A. E. E.) 

 $ 1. Bone, 19, vii, 97. {A. E. E.) 

 $ 1. Medea, on Centaurea calcitraim, 11, vii, 93. 



{A. E. E.) 

 $ 2. La Calle, 9, vii, 96. {A. E. E.) 

 $ 1. Biskra, on a sandy footpath, 16, iv, 94. {A. E. E.) 

 $ 2. Bone, one on Crepis taraxasci/olia, 20, iv and 1, v, 



96. (A. E. E.) 



"^ Halictus femoralis, n. sp. 



$ . Niger, facie elongata, capita thoraceque dense punctatis, 

 propodeo truncato, area basali vermiculato, postice sub-rotundato. 

 Abdomine nitido, sat dense punctato, segmentis 2, 3, 4, basi albido 

 fasciatis, tibiis tarsisque intermediis et posticis etiam que femoribus 

 posticis laete testaceis. 



