HYMENOPTERA. 



219 



49. Ammophila opulenta. B.M. 



Ammophila opulenta, Guer. Voy. Coq. Zool. pt. 2. p. 261. 



Hub. Pai'a; Rio. 



Specimens received from Rio differ somewhat in sculpture 

 from those of Para ; the mesothorax has a deep longitudinal im- 

 pressed line, and the metathorax is much more finely striated, 

 but it has not been considered more than a local variety. 



50. Ammophila eximia. B.M. 

 Ammophila eximia, St. Farg. Hym. iii. 373. 13. 



Hab. Brazil. 



51. Ammophila tarsata. 



Ammophila urnaria, St. Farg. Hym. iii. 381. 22 (nee Dahlb.). 

 Hab. Brazil. 



52. Ammophila moneta. 



Female. Length 10 lines. — Head, thorax and legs black; the 

 face covered with dense pale golden pubescence; the clypeus 

 truncate, and having a few scattered punctures. Thorax : the 

 tubercles, an oblong stripe beneath the wings, a spot on each 

 side at the base of the metathorax, and another on each side at 

 the insertion of the petiole, covered with pale golden pubes- 

 cence ; the enclosed portion of the metathorax obhquely striated ; 

 the mesothorax transversely rugose, the scutellum longitudinally 

 striated; wings fusco-hyaline. Abdomen blue, the petiole 

 black. 



The male resembles the female, but has the clypeus produced 

 and deeply notched at the apex. 



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



53. Ammophila fragilis. B.M. 



Female. Length 8-9 lines. — Black : the face and tubercles 

 covered with pale golden sericeous pubescence; an elongate 

 oblique stripe beneath the wings, a spot of golden pubescence 

 on each side of the metathorax at its base, and another at its 

 apex ; the pro- and mesothorax have an elongate central chan- 

 nel, and another on each side over the tegula? ; the scutellum 

 and post-scutellum longitudinally rugose-striate ; the enclosed 

 portion of the metathorax rugose in the middle and striated at 

 the sides ; wings hyaUne, their apical margins faintly clouded ; 



