HYMENOPTERA. Vj9 



43. Pepsis marginata. B.M. 



Pepsis marginata, Palis, de Beauv. Ins. Afric. et Amer. p. 94. 

 t. 2. f. 2 ^ , 3 (? . 



St. Farg. ^' Serv. Ency. Meth. x. 54, 1. 



Hab. South America ; St. Domingo. 



44. Pepsis sulphureicornis. B.M. 



Pepsis sulphureicornis, Palis, de Beauv. Ins. Afric. et Amer 

 p. 95. t. 2. f. 6. 



Hab. St. Domingo. 



45. Pepsis amethystina. B.M. 



Sphex amethystina, Fabr. Ent. Syst. ii. 210. 49. 

 Pepsis ameth}^stiua, Fabr. Syst. Piez. p. 215. 41. 



Palis, de Beauv. Ins. Afric. et Amer. p. 38. t. 1. f. 2. 



Hab. Demerara ; St. Domingo ; Island of St. Croix. 



46. Pepsis Domingensis. B.M. 

 Pepsis Domingensis, St. Farg. Hym. iii. 477- 13 <? . 



Hab. St. Domingo. 



47. Pepsis Bonariensis. B.M. 

 Pepsis Bonariensis, St. Farg. Hym. iii. 176. 11 ? . 



Hab. Buenos Ay res. 



48. Pepsis elongata. B.M. 

 Pepsis elongata, St. Farg. Hym. iii. 482. 21. 



Hab. Surinam. 



49. Pepsis Montezuma. B.M, 



Female. Length 16 lines. — Black : the head, thorax, abdo- 

 men and legs adorned with a rich blue iridescent pile, most vivid 

 on the abdomen ; the thorax having shades of metallic green 

 and black in certain lights ; the head, thorax and coxae have a 

 scattered long loose black pubescence ; the antennae, mandibles 

 and palpi black ; the metathorax having a transverse rugose 

 waved striation, and a central abbreviated longitudinal depres- 



