182 Mr. F. Walker on some undescribed Species 



metathorax roughly scabrous. Abdomen elliptical, terminating in a 

 slender filiform compressed acute style which is as long as the preceding- 

 part, the latter not being longer than the thorax ; petiole extremely 

 short. Hind coxse very long, with a yellow spot on each side ; hind 

 femora much incrassated, armed beneath with one large and several 

 minute teeth. Wings cinereous, rather long ; veins piceous ; ulna 

 about lialf the length of the humerus ; radius longer than the idna ; 

 cubitus less than one-fourth of the length of the ulna, but emitting a 

 branch at its tip. Length of the body 4 lines ; of the wings 8 lines. 

 Ega. Discovered by Mr. Bates. In the British Museum. 



Smieha chbysomebus. Fcem. Nigra, uitens ; antenn?e subclavatse, apice 

 lanceolataj, thorace paulo longiores, scapo subtus pallido ; thorax puiic- 

 tatus^ luteo sex-maculatvis, scutello bispiuoso ; abdomen ovatum, sub- 

 compressum, apice acuminatum, pctiolo longo; femora postica flava, 

 basi nigra, subtus dentata ; alfe cinerefe, venis ochraceis. 



Female. Black, smooth, shining, slightly pubescent. Antennpe a 

 little longer than the thorax ; scape pale beneath ; flagellum slightly 

 thickening ffom the base outward, lanceolate towards the tip. Thorax 

 roughly punctiu'ed, with a luteous spot on each humerus, and one by 

 the base of each fore wing, and two on the hind border of the scutum ; 

 scutellum with two short spines. Abdomen oval, slightly compressed, 

 acuminated towards the tip, narrower than the thorax ; petiole fidl half 

 the length of the hind coxpe. Hind femora yellow, very much incras- 

 sated, black towards the base, armed with several large teeth. Wings 

 cinereous ; veins ochraceous ; humerus nearly twice the length of the 

 ulna ; radius not longer than the ulna ; ciibitus fully one-third of the 

 length of the ulna. Length of the body 3^ lines : of the wings 5^ 

 lines, 



St. Paulo. Discovered by Mr. Bates. In the British Museum. 



Smiera TBANSA'ERSA. Mas. Nigra, glabra; antennse filifonnes, thorace 

 non longiores, subtus ferruginese, scapo subtus flavescente; thorax 

 scaber, scutello bispinoso ; abdomen ovatum, flavo bifasciatum, petiolo 

 longo ; coxfe posticae flavo vittatfe ; femora postica flavo bisti'igata ; 

 alae cinerea?. 



Fcem. Petiolus brevior ; abdomen longi-ovatum. 



Mak. Black, smooth, shining, pubescent. Antennae filiform, as long- 

 as the thorax, ferruginous beneath ; scape yellowish beneath. Thorax 

 roughly scabrous or punctured ; scutellum with two short obtuse spines. 

 Abdomen oval, shorter and narrower than the thorax, with short 

 slender yellow bands ; petiole cylindrical, about half the length of the 

 hind coxa), which are striped witli yellow. Hind femora much incras- 

 sated, with a broad yellow streak on each side. Wings cinereous ; veins 

 piceous ; humerus much more than twice the length of the ulna ; 

 radius a little longer than the ulna ; cubitus less than one-third of the 

 length of the idua ; spurious veins distinct. 



