Hymenoptera aculeata collected in Algeria. 219 



^ . Head and thorax clothed with long white hairs, clypeus rugose, 

 face and vertex verniiculately strigose, antenna? with 3rd and 4th 

 joints of the llagellum snbequal, rather wider than long, together 

 rather longer than the 2nd ; mesonotum dull, finely rugulose 

 and strongly and somewhat remotely punctured, propodeum 

 rugulose, clathrately so at the extreme base, abdomen short, 

 elliptic, rugose and closely punctured, apical impressions strongly 

 marked, finely rugulose, seventh ventral segment produced into 



two strong processes each of which terminates in a tuft of pale hairs, 

 8th very wide produced at the apex into two angles with a wide 

 sinus between them, the whole segment densely clothed with 

 pale hairs. 



5 very closely resembling the ^ even in form, 2nd joint of the 

 flagellum rather longer than the two following taken together, 

 mesonotum dull and rugulose rather closely punctured, propodeal 

 area rather vermiculately rugose, abdomen sculptured as in the $ 

 anal fimbria dull golden, scopse whitish. 



^ 3, $ 4. Algiers, 16-31, iii, 98. {F. D. M.) 



Andrena biskhensis, Per. 



$ 5, $ 1. Biskra, 12, ii, 97. {A. E. E.) 



? 3. „ on Diplotaxis, 11, ii, 97. {A. E. E.) 



^ 1, ? 3. „ on Brassica napics, 27, ii, 97. {A. E. E.) 

 1 ? . „ stylopized, 10, ii, 97. {A. E. E.) 



Andrena, sp. ? 



1 $. Biskra, Fontaine Chaude sandhills, on Euphorbia 

 (fuyoniana, 17, iii, 94. {A. E. E.) 



A ^ in not very good condition closely allied to the 

 preceding. 



Andrena hypopolia. 



$ 1. Biskra, on Ammi visnaga, 29, v, 94. (A. E. E.) 

 ? 3. „ 10 to 23, V, 98. [f. D. M.) 



