NEW SPECIES 



HYMENOPTERA 



ANDRENID.E, Leach 



COLLETES, Latr. 



1. Colletes perplexus. 



Female. Length 5 lines. — Black ; the thorax with fulvous pubes- 

 cence above ; the abdomen with white pubescent fasciae ; the 

 pubescence on the face whitish, as well as that on the cheeks, on 

 the vertex it inclines to fulvous : the flagellum of the antennae ful- 

 vous beneath. Thorax with short dense fulvous pubescence, long 

 and pale at the sides of the metathorax, also beneath and on the 

 legs ; the floccus on the posterior femora beneath white, the scopa 

 pale fulvous ; wings hyaline and iridescent, the nervures black, the 

 tegulae pale rufo-testaceous. Abdomen shining, the basal segment 

 with fine punctures, which are somewhat distant in the middle ; the 

 other segments very closely and finely punctured ; all the segments 

 with white pubescent fasciae. 



Hah. Mexico, Orizaba. 



2. Colletes nitidus. 



Female. Length 5 lines. — Black ; the pubescence white ; that on 

 the thorax above slightly tinged with yellow ; the abdomen very 

 bright, smooth, and shining. The clypeus strongly punctured ; the 



