444 HYMENOPTERA. 



but the basal margins of the abdomen are merely rufo-piceous, 

 not black. 



Hab. Trebizond. 



This species closely resembles the C. pulchella of Klug, but is 

 at once' distinguished by having the anterior margin of the clypeus 

 rounded ; in C. pulchella it is emarginate its entire width. 



31. CERCERIS INSULARIS. 



Female. Length 6 lines. Black: the face and mandibles 

 reddish-yellow, the tips of the latter rufo-piceous ; a large ferru- 

 ginous spot beneath the wings ; the scape yellow, the flagellum 

 fulvous towards the base. Thorax : a broad stripe on the collar, 

 a lunate spot beneath the wings, with a minute one beneath it, 

 the tegulae, hinder margin of the scutellum, the post-scutellum, 

 and the sides of the metathorax, yellow ; the subcordate space at 

 the base of the metathorax longitudinally striated ; wings fulvo- 

 hyaline, a faint cloud occupying the marginal cell and extending 

 to the apex of the wings. Abdomen : the apical margins of the 

 segments with yellow marginal bands j the first and second 

 notched in the middle, the third and fourth widely emarginate ; 

 the fifth segment yellow, with an angular black spot in the 

 middle of its base: beneath, rufo-piceous; a broad, yellow, 

 slightly interrupted band in the middle of the second, third and 

 fourth segments ; two minute yellow spots on the fifth segment. 



Hab. Sicily. (Coll. F. Smith.) 



32. CERCERIS INSIGNIS. 



Cerceris insignis, Klug, Symb. Phys. dec. v. t. 47. f. 12 ? . 

 Hab. Arabia. 



33. CERCERIS VIDUA. 



Cerceris vidua, Klug, Symb. Phys. dec. v. t. 47. f. 11 <J . 

 Hab. Arabia. 



34. CERCERIS DISPAR. 



Cerceris dispar, Dahlb. Hym. Europ. Synop. Spec. i. 499. 9. 

 Hab. Egypt. 



35. CERCERIS ERYTHROCEPHALA. 



Cerceris eTythroceiph&lsi,Dahlb.Hym.Europ. Synop. Spec. 502.27. 

 Hab. Egypt. 



