126 APIDJE. 



forniginous at their npox ; tho flncjcllum of the antcnnoj, except the 

 basal joint, fulvous beneath ; the elypeus with scattered punctures. 

 Tho mesothorax with scattered punctures ; tho sides of the thorax, 

 beneath, and the metathorax with sparing short white pubescence ; 

 wings hyaline and iridescent, their apex slightly clouded, the ner- 

 vures and stigma pale rufo-testaceous, the tcguloo rufo-piceous ; 

 the tarsi and posterior tibia; ferruginous; the scopa on the posterior 

 tibiir pale fulvous, that on the l)asal joint of tho tarsi fuscous. 

 Abdomen with tho basal segment impunctate, the second segment 

 finely punctured at the base ; the following segments with white 

 pubescence. 



Hah. Santarem. 



This species is closely allied to tho E. analis of Spiuola, described 

 in tho Mem. Accad. Torino, vol. xiii. 



4. Exomalopsis artifex. 



Female. Length 3 lines. — Black; the legs rufo-piceous beneath, 

 obscurely so above ; the scopa on the posterior legs fuscous above 

 and whitish beneath. The face with short white pubescence on 

 each side, that above the antennso slightly fulvous ; the flageUum 

 of the antennae fulvous beneath. The scutellum with dense 

 pale fulvous pubescence ; the wings hyaline, the nervures, stigma, 

 and teguljiD rufo-testaceous ; the apical joints of the tarsi pale 

 ferruginous. Abdomen shining, the basal segment impunctate, 

 at its extreme base a little pale fulvous pubescence, also a little 

 at the sides of the second, and the following segments covered with 

 similar pubescence. 



Male. Smaller ; the labrum rufo-testaceous, the tips of the man- 

 dibles ferruginous ; the wings as in the female ; the legs rufo- 

 piceous ; the tibia) and femora darkest above, the pubescence 

 whitish above and fulvous beneath. The abdomen rufo-testaceous 

 beneath, above obscurely so ; a little white pubescence at the 

 base ; the second segment has an interrupted fascia of white pu- 

 bescence, and the third and following segments covered with the 

 same. 



Hab. Para. 



5. Exomalopsis rufitarsis. 



Female. Length 3 lines. — Black and shining, the scopa on the 

 posterior legs fulvous; the labrum and tips of the mandibles 

 ferruginous ; the flageUum fulvous beneath. The wings hj-a- 

 line, the nervures and stigma fusco-ferruginous ; the tarsi and 

 posterior tibiae ferruginous ; the scopa fulvous, with a slight mix- 

 ture of fuscous above. Abdomen smooth, shining, and impunctate ; 



