HymcnapUra aculeata collected in Algeria. 207 



^ 2, $ 1. Biskra, 9, iii, 95 and 6, iv, 97. {A. E. E.) 

 $1. „ visiting Tamarix hrachystylis, 4i,iv,d5. 



(A. E. E.) 



This species belongs, I should say, to the argentata group. 



Andrena rubrosignata, n, sp. 



1^ . Niger, abdomine macula magna dorsali testacea ornato, anteii- 

 narura articulus tertius quarto duplo longior, mesonotum Iteve, punc- 

 tatum, abdomen nitidum, segmentis secundo tertioque apice fimbria 

 lateral], quarto fimbria comjileta aureis ornatis. 



^ . Head and thorax black, antenna? beneath testaceous, abdomen 

 with the centres of the 2nd and 3rd segments and the apex of the 1st 

 testaceous, and there is also occasionally a testaceous line down the 

 centre of the 1st; hind tibiae except a stain on their anterior and 

 posterior faces, and all the tarsi pale testaceous. Clypeus closely 

 punctured, face clothed with pale ochreous hairs, 2nd joint of the 

 flagellum twice as long as the 3rd, 3rd much shorter than the 4th 

 which like the following joints is subquadrate, face above the 

 antennae striate ; mesonotum smooth, shining, punctured, clothed 

 rather sparingly with ochreous hairs, wings slightly brownish, pro- 

 podeum slightly shining, finely and indefinitely rugose, abdomen 

 shining, finely punctured, with very short lateral fringes of jiale 

 ochreous hairs on the 2nd and 3rd segments and an entire fringe on 

 the 4th, apical fimbria pale golden, legs clothed with ochreous hairs. 



Long. 8 mm. 



$ 2. Constantine, hovering over and alighting on a 



footpath, 15, V, 95. {A. E. E.) 

 ^5. „ 13 to 17, vi, 08. (F.D.M.) 



This species of which only the $ has been sent home 

 rather resembles lucens, Imh,, but the smooth surface of 

 the thorax which in lucens is finely rugulose, will distin- 

 guish it at once, as well as the red-coloured disc of the 

 abdomen. 



Andrena lucens, Imh. 



^ 7, $ 6. Algiers, 17, iii to 30, iv, 08. (F. D. 31) 



Andrena, n. sp. ? 



$ 2. Algiers, 29, iii to 9, iv, 98. (F. D. M.) 



A species apparently so closely allied to the preceding that I 

 re ""rain from describing it on one sex only. One of the specimens 



