38 NEOTROPICAL BEES 



18. Hair of abdominal segments three and four black. 



Svastra leucostoma Cockerell 

 Some pale hair on segments three and four 19 



19. Hair of thorax above bright fulvoferruginous. 



Melissodes svastrina Cockerell 

 Smaller; hair of thorax above not thus bright. 



Melissodes nigroaenea (Smith), var. 



