44 HYMEX0PTERA OF AMERICA. [PART I. 



Zethus albopictus Smith, Cat. Brit. Mus. Vespidae, 1S57, 15, 32. 

 Bab. St. Domingo. 



33. Z. gracilis Smith. — Niger, capite et tliorace grosse punctatis; 

 fronte sulco transverso inter antennas et carina verticali ad medium 

 clypeum prod u eta instrtiuto; metanoto in lateribus striato ; petiolo 

 sparse punctato ; abdotnine sericeo ; punctis 2 frontalibus abdominisque 

 segmentorum limbo anguste, flavis. £ antennarum scapo antice tlavo. 

 Longit, 4j lin. — Afiinis videtur, Z. Mtottezumtc. 



Zethus gracilis Smith, Cat. Brit. Mus. Vespidae, 1S57, 17, 43. 



Bab. Mexico. 



Small species, of the size of Z. Montezumse. 



34. Z. laeviliodMS Smith. — J. Niger, capite grosse, vertice sparse, 

 punctato; clypeo rugose striato, apice subemargiuato; thorace polito, 



punctis distantibus aliquot; pronoti margiue acute marginato, acute 

 angulato ; mesonoto antice carina abbreviata, et sulcis 2 e scutelli 

 angulis emergentibus ad pronotum ductis ; metanoto velutino, bi- 

 convexo. Thorax maculis 2 in pronoti angulis, macula-subalari, post- 

 scutellique fascia interrupta, flavis ; abdomine polito ; alis fusco-cyaneis. 

 Longit, 9 lin. » 



Zethus hcvinodus Smith, Cat. Brit. Mus. Vespidae, 1S57, 17, 44. 



Bab. Mexico. 



By the fuscous wings this species comes near to Z. spinipes, 

 but is separated from it by its distinctly polished mesothorax, and 

 by its remarkably large size. 



35. Z. pallidus Smith, Cat. Brit. Mus. Vespidae, 1S57, 11, 10. 

 Hab. Brazil. (X urn Zethusculus?) 



36. Z. SCUlpturalis Smith, ibid. 11, 11, % 

 Hab. Brazil. 



37. Z. duMus Smith, ibid. 13, 19, 9 % . 

 Bab. Brazil. 



38. Z. carinatus Smith, ibid. 13, 20, % . 

 Bab. Brazil. 





