1865.] 105 



deeply and very closely punctured, more finely below the front ; man- 

 dibles fuscous, green at base, pubescent; antennae blackish, the basal 

 joint blue-green. Thorax deeply and closely punctured, green, pube- 

 scent, the mesothorax with a strong deep blue reflection ; metathorax 

 rugose, deeply concave on each side beneath the posterior angles, which 

 are rather short, acute and divergent ; tegulae green. Wings uniformly 

 pale fuscous, the posterior wings hyaline at base; nervures fuscous. 

 Legs green with a strong deep blue reflection, pubescent, the tarsi and 

 the posterior femora blackish in certain lights. Abdomen short and 

 broad, convex, slightly pubescent, deep brilliant blue, with a beautiful 

 purple reflection especially on the disk of the second segment; punc- 

 tures deep and close, less deep on the disk of the second segment ; third 

 segment slightly tinged with green, the apical margin slightly undu- 

 late; venter concave, polished, brilliant blue-green. Length 3} lines; 

 expanse of wings 6 lines. 



Collection. — Ent. Soc. Philad. One specimen. 



Genus CHRYSIS. Linn, 

 jj. Apical margin of third abdominal segment entire. 

 Chrysis divergens, n. sp. 



Metallic green: the mesothorax and abdomen, especially the second segment, 

 blue; antennas, except base, black: third segment of abdomen with a deep 

 transverse excavated line before the apical margin, interrupted on the middle: 

 wings subhyaline. 



Female. — Head green, tinged with blue on the front, deeply and 

 very closely punctured, slightly pubescent ; on the front a transverse, 

 sinuate carina, from which proceeds two equidistant, abbreviated carinae 

 towards the ocelli; antennal cavity pubescent and minutely rugose; 

 antenna? black, the two basal joints blue-green. Thorax deeply, coarsely 

 and closely punctured, slightly pubescent, green, with a more or less 

 deep blue reflection, especially on the mesothorax, which has two well 

 impressed longitudinal lines on the disk ; sides of the pectus deeply 

 excavated, golden-green, as well as the pleura, which is more grossly 

 punctured than the rest of the thorax ; metathorax with the posterior 

 angles stout, long, subacute and strongly divergent, the excavation on 

 each side very deep and golden-green; tegulae blue-green. Wings 

 almost hyaline, with a very faint fuscous tinge; nervures blackish. 

 Legs blue-green, slightly pubescent; tarsi blackish. Abdomen oblong, 

 scarcely broader than the thorax, deeply and rather closely punctured, 

 green, deep purplish-blue on the disk of the second segment and on the 

 apex of the third segment, which has a deep, transverse, foveate exca- 

 vation just before the apical margin, and interrupted on the middle by 



