96 



APID^E. 



13. Ceratina longiceps. 



Female. Length 4 lines. — Bronze-green ; the head produced before 

 the eyes, as in species of the genus Halictus. The head and thorax 

 strongly punctured ; the three basal segments of the abdomen 

 closely and finely punctured, the three apical segments rugose. A 

 spot on the clypeus anteriorly, and another # at the angles of the 

 face at the lower orbit of the eyes, and a narrow line behind them, 

 yellow. The metathorax and postscutellum closely and finely 

 punctured ; wings subhyaline ; legs obscure nigro-aeneous, the 

 apical joints of the tarsi rufo-testaceous. 



Hah. Amazons, Ega. 



14. Ceratina cupreiventris. 



Female. Length 5 lines. — Head and thorax dark bronze -green ; 

 the disk of the mesothorax with a purple tinge ; abdomen bright 

 coppery green. Head strongly punctured ; a spot at the anterior 

 margin of the clypeus, another at the anterior angles of the face, 

 a minute one on the labrum, and a line behind the eyes, yellow. 

 Thorax strongly punctured ; the metathorax with a smooth shining 

 space on the disk, and with five longitudinal impressed lines, the 

 two lateral ones abbreviated ; the metathorax very minutely and 

 finely punctured ; wings subhyaline, the nervures fusco-ferruginous ; 

 legs obscurely rufo-piceous, with the apical joints of the tarsi pale 

 ferruginous. Abdomen bright coppery green, the four basal seg- 

 ments finely punctured, the following rugose. 



Hah. Amazons, Ega. 



15. Ceratina diligens. 



Female. Length 4 lines. — Olive-green, punctured, the abdomen 

 rather more finely so than the head and thorax, the former with 

 yellow maculae. A transverse line on the anterior margin of the 

 clypeus, a minute one on the labrum, two on each side of the face 

 (one opposite the insertion of the antennae, the second at the interior 

 angle of the face), and a line behind the eyes, yellow ; the flagellum 

 fulvous beneath. Two oblong spaces on the disk of the meso- 

 thorax smooth and shining ; wings subhyaline and iridescent, the 

 nervures dark fusco*s, the tegulae rufo-testaceous ; tibiae and tarsi 

 ferruginous. Abdomen evenly punctured, with the two apical seg- 

 ments rugose, the apex pointed. 



Hah. Brazil, Santarem. 



16. Ceratina capitosa. 



Female. Length 4| lines. — Head wider than the thorax, longer 

 than broad, obtuse anteriorly ; the head, mesothorax, and scutellum 



