HYMENOPTERA. 379 



). TRYPOXYLON AXNULARE. 



>xylon annulare, Dahlb. Hym. Europ. i. 282. 

 lab. Brazil. 



11. TRYPOXYLON AURIFRONS. B.M. 



Trypoxylon aurifrons, Shuck. Foss. Hym. 117. 2. 

 Dahlb. Hym. Europ. i. 285. 



Hab. Brazil (Santarem). (Coll. H. W. Bates.) 



12. TRYPOXYLON FUGAX. B.M. 



Trypoxylon fugax, Fabr. Syst. Piez. 182. 4. 

 Dahlb. Hym. Europ. 281. 



Hab. Brazil. 



13. TRYPOXYLON FUSCIPENNE. B.M. 



Trypoxylon fuscipennis, Fabr. Syst. Piez. 181. 3. 

 Trypoxylon fuscipenne, Dahlb. Hym. Europ. i. 283. 



Hab. Brazil. 



14. TRYPOXYLON ALBITARSE. B.M. 



Trypoxylon albitarse, Fabr. Syst. Piez. 180. 1. 



St. Farg. $ Serv. Encycl. Meth. x. 750. 



Dahlb. Hym. Europ. i. 286. 



St. Farg. Hym. iii. 228. 1. t. 27. f. 3. 

 Trypoxylon politum, Say, Bost. Journ. i. 373. 1. 

 Hab. Brazil (Para) ; California ; United States. 



15. TRYPOXYLON NITIDUM. 



Female. Length 4i lines. Black: the face covered with 

 silvery pubescence ; the mandibles and palpi rufo-testaceous. 

 Thorax : above shining ; the mesothorax rather strongly but not 

 closely punctured; the metathorax obliquely striated at the base, 

 beyond which it is striated transversely, at the sides is a little 

 silvery pubescence; the thorax beneath smooth, shining and 

 punctured ; wings hyaline, faintly clouded at their apex ; the 

 knees, apex of the femora and basal joint of the tarsi rufo-testa- 

 ceous. Abdomen : the two basal segments very smooth and 

 shining, the base of the second segment rufo-testaceous ; the 

 apical margins of the third, fourth and fifth segments narrowly 

 testaceous. 



Hab. Brazil. (Coll. F. Smith.) 



