444 HYMENOPTERA. 



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

 not black. 



Hab. Trebizond. 



This species closely resembles the C. pulchella of King, 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 sj)ot beneath the wings, with a minute one beneath it, 

 the tegulse, 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 bauds; 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, 

 shghtly 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. Ai-abia. 



33. Cerceris vidua. 



Cerceris vidua, Kluff, Symb. Phys. dec. v. t. 47. f. lie?. 

 Hab. Arabia. 



34. Cerceris dispar. 



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

 Hab. Egypt. 



35. Cerceris erythrocephala. 



Cerceris erythrocephala,DaAZ6. Hym. Europ. Synop. Spec. 502. 27- 

 Hab. Egypt. 



