HYMENOPTERA. 81 



the pubescence pale, having a silvery brightness in certain hghts ; 

 base of the abdomen covered with a white pubescence, which is 

 also very thinly scattered over the whole abdomen. 

 Hab. Georgia. 



25. AUGOCHLORA VIRIDULA, n. s. B.M. 



Male. Length 3^ lines. — Golden-green, head very closely and 

 finely punctured, the clypeus coarsely so, labrum and mandibles 

 rufo-piceous, flagellum testaceous beneath. Thorax, the outer 

 margin of the tegulfe and nervures of the wings pale testaceous, 

 the wings hyaline, iridescent ; base of the metathorax roughened 

 by an irregular radiating striation, not distinctly enclosed, sides 

 of metathorax closely and strongly punctured, as well as the disk 

 of the thorax ; legs green, the tarsi pale testaceous yellow. Ab- 

 domen strongly but not closely punctiu"ed, particularly at the 

 base, very thinly covered with short pale yellow pubescence ; 

 margins of the two basal segments shghtly depressed and ciliated 

 with short pale yellow hairs. 



Obs. From the close similarity this is probably the male of A. 

 lucidula. 



Hab. Trenton Falls, N. America. (E. Doubleday, Esq.) 



26. AUGOCHLORA FERVIDA. B.M. 



Male. Length 3-4 lines.— Blue-green, head very finely and 

 closely punctured, having large deep punctures on the clypeus, 

 flagellum subtestaceous beneath. Thorax strongly and very 

 closely punctured ; wings hyaline, the nervures and outer margin 

 of the tegulae pale testaceous ; base of the metathorax roughened, 

 not distinctly enclosed, the sides strongly punctured ; legs green, 

 the tarsi pale testaceous and covered with pale yellow pubescence ; 

 the legs fringed with long white pubescence ; the tubercles be- 

 hind, the post-scutellum, and sides of the metathorax covered 

 with white pubescence. Abdomen elongate-ovate, strongly punc- 

 tured and covered with short pale pubescence, the margins of 

 the two basal segments fringed with the same. 



Obs. This species resembles A. viridula; it is however very 

 distinct, the colour of the pubescence is different and much more 

 dense, the abdomen is much more closely punctured, and the 

 golden colouring is absent in this species. 

 Hab. North America. 



27. AuGOCHLORA LUCIDULA, n. S. B.M. 



Female. Length 3^ Unes. — Golden or blue-green, head very 

 closely and finely punctured, some large deep punctures on the 



E 5 



