156 HYMENOPTERA. 



having a slight longitudinal channel, and being transversely 



striated. 



Hob. St. Domingo. 



The male differs in having the apical margins of the wings 

 dark fuscous ; in the female they are faintly so. 



186. POMPILUS CORUSCUS. B.M. 

 Female. Length 4-5 lines. Head, thorax and legs black, 



thinly covered with glittering silvery pile, that on the vertex, 

 pro- and meso-thorax with a purple shade in certain lights ; the 

 clypeus and sides of the face have a dense silvery pile ; the meta- 

 thorax rounded ; the wings fuscous, with a violet iridescence ; 

 the third submarginal cell petiolated or angular ; the legs spinose. 

 Abdomen subsessile, bright ferruginous, with the apical seg- 

 ment black, the posterior margins of the fourth and fifth seg- 

 ments fuscous. 



Hab. St. Domingo. 



187. POMPILUS ERYTHRUS. B.M. 



Female. Length 10 lines. Brick-red : the apical joints of 

 the antennae and tarsi, fuscous ; the clypeus emarginate, rounded 

 at the sides ; wings dark fuscous and iridescent ; the tibiae have 

 a few scattered sharp spines, the tarsi slightly spinose, the ante- 

 rior tarsi ciliated outside. Abdomen smooth, shining, and im- 

 punctate ; the pectus with black stains, the rest of the body of 

 a brighter red than above. The first recurrent nervure received 

 by the second submarginal cell near its apex. 



Hab. Jamaica. 



188. POMPILUS RICHARDI. 



Anoplius Richardi, St. Farg. Hym. iii. 447. 9. 

 Hab. Cayenne. 



189. POMPILUS NOBILIS. B.M. 



Sphex nobilis, Fabr. Ent. Syst. ii. 218. 85 ? . 

 Pompilus nobilis, Fabr. Syst. Piez. p. 199. 58. 



St. Farg. fy Serv. Ency. Meth. x. 180. 5. 



Dahlb. Hym. Europ. i. 47. 

 Anoplius nobilis, St. Farg. Hym. iii. 449. 12. 

 Pompilus splendidulus, Fabr. Syst. Piez. p. 193. 25 3 . 



Hab. Cayenne ; Brazil (Para) ; Venezuela. 



