HYMENOPTERA. 77 



other sex; the legs, particularly the posterior pair, elongate. 

 Abdomen incurved, and of a dark rufo-testaceous colour beneath. 

 Hab. Brazil. (Coll. W. W. Saunders, Esq.) 



11. AUGOCHLORA DaPHNIS, U. S. 



Male. Length 3 lines. — Brilhant green, head very minutely 

 and closely punctured, the clypeus much produced, coarsely 

 punctured and shining, its anterior margin, the labrum and man- 

 dibles yellow, as well as the flagellum beneath. The disk of the 

 11 thorax not so finely punctured as the thorax ; the base of the 



metathorax enclosed by a sharp curved carina, the enclosure has 

 a rugose radiating striation, the sides and truncation closely 

 punctured; tegulae pale testaceous, wings hyahne, tibiae and 

 tarsi rufo-piceous. Abdomen finely punctui-ed, thinly covered 

 with short pale pubescence, the apical margins of the segments 

 dark rufo-piceous, very smooth and shining. 



Obs. Most closely resembling A. diver sipennis, male, but 

 distinguished by the striation of the enclosure of the base of the 

 metathorax. 

 Hab. Monte Video. (CoU. W. W. Saunders, Esq.) 



12. AuGOCHLORA ARTEMISIA. 



Female. Length 5 lines. — Brilliant golden-green, head and 

 thorax very finely and closely punctured, head as wide as the 

 thorax, face broad subquadrate, the eyes scarcely approaching at 

 the base ; clj-peus broad, coarsely punctured ; base of the meta- 

 thorax not enclosed, smooth and shining, the sides of the trun- 

 cation have a sharp carina ; mngs fusco-hyaline ; legs green ; 

 tarsi testaceous, tinged with green, their pubescence fulvous. 

 Abdomen delicately punctured, the fifth and sixth segments fus- 

 cous ; beneath rufo-testaceous, tinged with green lustre. 



Obs. This species most closely resembles A. cuprea, but is at 

 once distinguished by the form of the head and broad face. 

 Hab. Rio. (CoU. F. Smith.) 



13. AuGOCHLORA Regina, n. s. B.M. 



Female. Length 5 lines. — Bright green, partaking of different 

 shades of blue on the head, of gold on the vertex and disk of 

 the thorax, of blue or golden on the abdomen, as seen in differ- 

 ent lights; the clypeus very briUiant, deeply punctured, the 

 rest of the head very finely and closely punctured ; margin of 

 the clypeus, labrum and mandibles dark rufo-piceous, nearly 

 black ; antennae black, the flagellum beneath subtestaceous. 

 Thorax, the tegulae and nervures of the wings, which are sub- 



