1865.] 107 



tinged with blue; mandibles blackish, golden-green at base; cheeks 

 carinate; antennae blackish, the two basal segments green. Thorax 

 narrowed in front, broad behind, deeply and closely punctured, slightly 

 pubescent, bright metallic green, the mesothorax more or less tinged 

 with deep blue, especially on the disk between the two longitudinal 

 impressed lines, where the color is of a deep purplish hue ; scutellum 

 more grossly punctured, with a bluish tinge ; pleura and pectus golden- 

 green, the latter deeply excavated on each side; metathorax with a deep 

 bluish reflection, on each side of the middle a small, ovate, oblique ex- 

 cavation and with two deep, approximate punctures at their tip, poste- 

 rior angles large, broad, flattened, subacute and sparsely punctured ; 

 tegulae blue-green. Wings almost hyaline, faintly tinged with fuscous, 

 with fulvous spots or lines in the marginal, submarginal and discoidal 

 cells; nervures and stigma stout and blackish. Legs bright metallic 

 green, slightly tinged with blue, pubescent. Abdomen very large, 

 broader than thorax, convex, deeply, closely and uniformly punctured, 

 brilliant deep azure-blue, conspicuously purple on the dorsal base of the 

 segments, especially of the second segment, and the sides slightly tinged 

 with green; third segment with a slight transverse fold on the apical 

 third, behind which there is a row of deep punctures; apical margin 

 with four equidistant, rather long, acute teeth ; venter concave, brilliant 

 blue-green, highly polisbed. Length 5^ lines; expanse of wings S 

 lines. 



Collection. — Dr. J. Grundlach. One specimen. 



A large, broad and superb species, with the colors of the abdomen 

 remarkably brilliant. 



Chrysis purpuriventris, n. sp. 



Blue-green; mesothorax and abdomen brilliant purple-blue ; antennae, except 

 base, and the tarsi, blackish; wings fusco-hyaline. 



Male. — Head green, strongly tinged with blue, roughly and deeply 

 punctured ; vertex with a sharply defined, transverse carina, which 

 continues down the orbits on each side of the face, the excavation be- 

 hind the antennae finely and closely punctured or somewhat rugulose ; 

 mandibles, except base, blackish ; antennae blackish, the two basal 

 joints green. Thorax not narrowed in front, deeply, coarsely and closely 

 punctured, dark green more or less deeply tinged with blue, except the 

 pectus and pleura which are bright green; mesothorax deep azure-blue, 

 tinged with purple, with two tolerably distinct, longitudinal, impressed 

 lines on the disk; scutellum and metathorax dark green, more or less 

 tinged with blue, especially the latter, the posterior angles of which are 



