ATJGOCHLORA. 45 



Thorax not so finely punctured as the head ; the metathorax trun- 

 cate, its base with longitudinal striae enclosed by a sharp elevated 

 ridge ; wings hyaline and iridescent, the nervures dark ferruginous, 

 the tegulae shining black ; the legs with a glittering pale pubes- 

 cence ; on the posterior tibiae outside it is fuscous. Abdomen 

 smooth, shining, and impunctate ; covered thinly towards the apex 

 with short pubescence ; beneath, the margins of the segments with 

 a fringe of whitish pubescence. 



Hab. Guatemala. 



10. Augochlora festiva. 



Male. Length 3| lines. — Head and thorax bright green ; abdomen 

 pale ferruginous, with the apex green, and the margins of the seg- 

 ments at the apex blackish. The clypeus slightly produced, convex, 

 with the apex yellow; the mandibles and scape of the antennae 

 yellow. Thorax impunctate, truncate posteriorly ; the truncation 

 deeply impressed in the centre ; the sides of the metathorax with 

 thick downy pubescence ; wings clear hyaline and iridescent, the 

 nervures testaceous ; the legs pale yellow-ferruginous. Abdomen 

 impunctate ; the margins of the segments with fuscous bands. 



Hab. Santarem. 



11. Augochlora laeta. 



Female. Length 3 lines. — Shining green. Head very closely and 

 finely punctured ; the clypeus slightly produced, convex, and having 

 a few scattered punctures; mandibles and antennae rufo-piceous. 

 The mesothorax closely but not so finely punctured as the head ; 

 at the base of the metathorax the space enclosed by a sharp ridge 

 is longitudinally striated ; wings hyaline and iridescent, the tegulae 

 and nervures pale testaceous ; the legs pale ferruginous. Abdomen 

 finely punctured, and with a thin pale pubescence ; beneath rufo- 

 testaceous. 



Hab. Amazons, Ega. 



12. Augochlora alcyone. 



Female. Length 3| lines. — Green, with tints of blue on the abdo- 

 men. The head finely shagreened, rotundate ; the clypeus slightly 

 produced and strongly punctured ; the flagellum fulvous beneath. 

 The base of the metathorax with radiating striae, surrounded by a 

 sharp ridge ; wings hyaline and iridescent, faintly clouded at their 

 apex ; legs blue-green ; the apical joints of the tarsi rufo-testaceous, 

 their pubescence whitish. Abdomen oblong-ovate, slightly pilose 

 at the sides, the apex with fuscous pubescence ; beneath blue with 

 purple tints. 



Hab. St. Domingo. 



