Hymenoptera aculeata collected in Algeria. 553 



long as the 3 next joints taken together. Calcaria reaching to beyond 

 the middle of the metatarsus ; claws rather straight with a strong 

 blunt tooth beyond the middle ; abdomen black, clothed at the ex- 

 treme base like the propodeum with matted hairs, the other segments 

 clothed with grey sheeny pubescence, which forms a wide indefinite 

 band on each, leaving their apices black in certain lights. 6th seg- 

 ment clothed above and beneath, with bristly black hairs, the other 

 segments beneath with a few shorter hairs. 



The male, which was taken on the same plant with the females, 

 and which I feel sure is rightly associated with them, is similar to 

 them in general coloration, and in the sheeny-grey pubescence, but 

 the testaceous colour is rather paler ; the wings are testaceous as far 

 as the submarginal cells, and only dark at the apex beyond them, 

 the post-scutellum is pale, all the coxse are black, and the intermediate 

 femora are dark, except at the apex ; the inner margins of the eyes 

 are sinuate, but not more so than in many other species of the genus ; 

 lab rum slightly notched at the apex. Thorax as in the $ but the 

 propodeum only clothed with the grey pubescence and without the 

 dense black hairs of the ? ; 6th ventral segment slightly emarginate 

 at the apex, 8th narrow and convex subtruncate, clothed with short, 

 rather thick hairs at the sides ; armature with the stipites produced 

 into three processes, the inner ones narrow, flat, slightly curved and 

 converging ; below these are a pair of shorter spatulate concave pro- 

 cesses, their dilatation somewhat pointed on its inner margin, 

 black at the point and fringed with bristly hairs, the 3rd outside 

 process very narrow, almost filamentary, clothed with fine long 

 hairs ; sagittae narrow subparallel, closely applied to each other 

 except at the apex. 



Long. 15, 16 m.m. 



$ 1, $4. Biskra, on Ammi visnaga, 19. v. to 4. vi. 



97. A. E. E. 

 $ 2. Biskra, 3. v. and 26. v. 98. F. D. M. 



Belongs to the group of platycanthus, Kizilkumii, etc., 

 but distinct by the number of spines on the anterior 

 metatarsus. 



POMPILUS EXC1SILABRIS, n. sp. 



(£ fere glaber, niger opacus, elongatus capite (pra^ter maculas, 

 2, verticalem et facialem, clypeum labrumque nigra), pro — et 

 mesonoto, obscure sanguineis ; antennis, pedibusque nigris, labro 

 apice triangulariter exciso. Clypeo subelongato, genis fere nullis ; 

 pronoto margine posteriore angulato, alis nigris cellulis submar- 

 ginalibus tribus, tertio trapezoidali, nervo exteriore medio angulato, 



