HTjmenoptera acidcata collected in Algeria. 195 



Andrena thoracica, F, 



$ 2. Medea, on Eryngimn triquetrum, 27, vi, 93. 



{A. E. E.) 

 ? 2. BCma, 2 and 16, iii, 90. {A. E. E.) 

 $ 1. „ visiting Senccio Icucanthemifolius, 4, iii, 96 

 {A. E. E.) (very dark red hairs on tlie 

 thorax). 



Andrena nigra, n. sp. 



$ . Nigra, tarsis omnibus tibiisque posticis obscure testaceis, area 

 propodeali sub-la^vigata, alis infumatis, abdomine minute ruguloso 

 remote punctato, segmentorum apicibus testaceis, 



5. Black, clothed witli black hairs, those on the sides of the 

 propodeum and of the thorax below the wings slightly greyish, all 

 the tarsi and the tibiae of the hind-legs when the light passes through 

 them seem to be testaceous, calcaria pale, in form and size resembling 

 rosge, Pz. Antenna with the 2ud joint of the flagellum rather longer 

 than the 3rd and 4th taken together, clypeus finely rugulose and 

 strongly punctured. Head and thorax including the propodeum 

 densely clothed with black hairs, those of the propodeum and vertex 

 longer than those of the thorax ; propodeal area nearly smooth, wings 

 smoky-brown, abdomen very finely rugulose with a fine scattered 

 superficial puncturation, apices of the segments testaceous, in certain 

 lights the abdomen seems to have a very slight bluish tinge, apical 

 fimbria black, dorsal valve closely punctured, its margins smooth ; 

 beneath punctured, the segments with black apical fringes. 

 Long. 12 mm. 



? 1. Bone, visiting Diidlotaxis, 30, iv, 96. {A. E. E.) 

 Rather like a black rosiB r. trimmcrana in general form, 



but its sculpture and the comparative lengths of the 



antennal joints will distinguish it easily. 



Andrena bipartita, Bnille. 



^ 3, $ 4. Biskra on DiplotaAs and Moiicmidia arvensis, 

 8, ii to 30, iii, 97. (A. E. E.) 



Andrena florea, F. 



$ 1. Colonne Voirol, on Bryonia, 5, v, 93. (A E. E) 

 ? 1. Hippone, 16, v, 96. (A. E. E.) 

 ? 1. Algiers, 4, iv, 98. {F. D. M.) 



Andrena leucoph^a, Luc. 



^ 2, ? 2. Algiers, 17 to 28, iii, 98. {F. E. M.) 



