HYMENOPTERA. 79 



192. ODYNERUS COLUMBARIS. 



Odyiierus Columbaris, Sauss. Mon. Guepes Sol. 158. 42. t.17- f.3. 

 Hab. Columbia. 



193. ODYNERUS NASIDENS. 



Odynerus nasidens, Latr. Voy. aux Reg. Equinox., Humb. et 

 Bonpl. ii. 112. t. 15. f. 1-2. 



Sauss. Mon. Guepes Sol. 171. 61. 



Hab. Columbia. 



194. ODYNERUS BREVITHORAX. B.M. 

 Odynerus brevithorax, Sauss. Mon. Guepes Sol. 172. 62. t.l/. f. 9. 

 Hab. South America. 



195. ODYNERUS TIBIALIS. 



Odynerus tibialis, Sauss. Mon. Guepes Sol. 183. 78. 

 Hab. Columbia. 



196. ODYNERUS ROMANDINUS. 



Odynerus Romandinus, Sauss. Mon. Guepes Sol. 184. 79. 

 H&b. Columbia; Venezuela. 



197. ODYNERUS INCOMMODUS. 



Odynerus incommodus, Sauss. Mon. Guepes Sol. 143. 29. 

 Hab. Columbia. 



198. ODYNERUS TARABUCENSIS. 



Odynerus Tarabucensis, Sauss. Mon. Guepes Sol. Supp. 250. 125. 

 Hab. Bolivia. 



199. ODYNERUS PR^ECOX. 



Odynerus praecox, Sauss. Mon. Guepes Sol. Supp. 254. 130. t. 11. 

 f.9. 



Hab. South America. 



200. ODYNERUS PRUINOSUS. B.M. 

 Female. Length 6 lines. Black : in certain lights, covered 



with fine silvery pile ; a stripe at the base of the clypeus, a 

 minute spot between the antennae and another behind the eyes, 

 white ; the head, thorax and base of the abdomen strongly punc- 

 tured ; the anterior margin of the prothorax, a spot beneath the 



