HYMENOPTERA. J9 



17. AUGOCHLORA SEMIAURATA. 



Halictus semiauratus, Spin. Mem. Accad. Torino, xiii. no. 66. 



18. AUGOCHLORA CUPREA. 



Female. Length 4 lines. Bright green, the vertex finely 

 punctured, the face rugose, and the clypeus covered with large 

 distinct punctures and ciliated with fulvous hairs, the flagellum 

 subtestaceous beneath. Thorax, the disk very closely punctured, 

 the punctures uniting ; and having a scattered pale pubescence, 

 longer and denser on the post-scutellum and sides of the meta- 

 thorax; the base of the metathorax not enclosed, a little roughened 

 below the post-scutellum, beyond which it is smooth and shining ; 

 in the middle of the truncation a longitudinal depression, sides of 

 the truncation rounded ; wings hyaline, slightly clouded at their 

 apical margins, nervures testaceous, tegulae dark rufo-testaceous, 

 with a tinge of green ; legs green, tarsi ferruginous, their pubes- 

 cence fulvous. Abdomen ovate, the sides and base covered with 

 long pale pubescence; on the other part it is shorter, the two 

 basal segments fringed with fulvous hairs. 

 Hab. North America. (Coll. W. W. Saunders, Esq.) 



19. AUGOCHLORA FULGIDA, n. s. B.M. 



Female. Length 4 lines. Brilliant metallic-green, having a 

 blue tinge on the abdomen. Head very closely punctured, the 

 clypeus coarsely punctured, the face below the insertion of the 

 antennae more deeply punctured than the vertex. Thorax, the 

 disk closely punctured, the punctures large and shallow in the 

 centre ; base of the metathorax enclosed, the enclosed space 

 finely roughened, the truncation covered with large shallow punc- 

 tures ; the tegulae dark testaceous, having a green reflection ; 

 wings fulvo-hyaline, nervures ferruginous; legs green, covered 

 above with a fulvo-fuscous pubescence, bright fulvous on the 

 tarsi beneath. Abdomen finely but distantly punctured ; beneath 

 green, the margins of the segments dark rufo-fuscous. 

 Hab. St. John's Bluff, East Florida. (E. Doubleday, Esq.) 



20. AUGOCHLORA SPLENDIDA, n. s. B.M. 



Female. Length 3^ lines. Golden-green, antennae and eyes 

 black, the clypeus and lower parts of the face coarsely sculptured, 

 towards the vertex more finely so, the punctures running into 

 each other. Thorax, similarly sculptured to the vertex of the 

 head, and having a few scattered fulvous hairs ; metathorax not 

 distinctly enclosed at the base, the sides roughly sculptured ; 

 apical joints of the tarsi testaceous, the posterior tibiae, the in- 



