Hymcnoptcra aculeata collected in AhjcHa. 257 



Anthidium reticulatum, Mocs. 



^ 1. Between Medea and Lodi, alt, about 2,S00 ft., on 

 Centaurea calcitrapa, 12, vii, 93, (A. E, E,) 



Anthidium stigmaticorne, Drs, 



$ 1. Biskra, north of railway, Kilom. 199, on Tcucrium 



polium, 28, V, 94. {A. E. E) 

 (4tli and 5tli joints of the antenusB testaceous.) 



Stelis aterrima, Pz. 

 ^ 1, $ 3. Philippeville, 20, vi, 98. {F. D. M) 



Stelis cassiop^a, n. sp, 



S, plicoopteras affinis, facie magis rotundata, capite thoraceque 

 opacis, densissime punctati.s facile distinguenda. 



(^j$. So closely allied to phceoptera, K., that it will only be 

 necessary to point out its differential characters. The head and thorax 

 are much more closely punctured so that their surface is quite dull, 

 and they are more evenly and closely clothed with grey hairs, the 

 abdomen on the other hand in the 9 is less closely though quite as 

 largely punctured especially on the 3rd segment. The abdominal 

 puncturation in the males of both species is very similar, but the 6th 

 segment in the ^ of pha^optera has a stronger apical angle. In both 

 sexes of the new species the face is broader and therefore rounder 

 and in the 9 the eyes are more convergent. 



Long. 7-8 mm. 



^ 2, Biskra, near Kilom. 199, visiting Ainberhoa lippii, 12, 



iv, 95. {A. E. E.) 

 $ 1. „ above the barrage, visiting Amherhoa Hppii, 



8, iv, 97. (A. E. E.) 

 $1. „ flying about "adobe" house walls, 27, ii, 



97. {A. E. E.) 

 $ 1. Bone, 80, iv, 96. {A. E. E.) 



Stelis nasuta, Ltr. 



^ 1, $ 1. Constantine, 13, v, 95. {A. E. E.) 



Stelis vachali. Per. 



^1. Biskra, visiting Antirrhinvmi ra7nosissimu7n, 29, iii, 



97. (A. E. E). 

 ^1. „ on Atractylis scrratuloides, 13, v, 97. 



{A. E. E.) 

 trans, ent. soc. lond. 1908. — PART n. (sept.) 17 



