Blue nawab 
Blue Tiger 
Blue Wanderer 
Blue-and-orange Eighty-Eight 
Blue-banded Eggfly 
Blue-banded king crow 
Blue-banded purplewing 
Blue-frosted Banner 
Blue-smudged Satyr 
Blue-topped Satyr 
Blushing Phantom 
Bonasia acraea 
Bordered Patch 
Bornean Oakleaf 
Brazilian painted lady 
Brenthis mofidii 
Brilliant blue 
Brown king crow 
Brown Pansy 
Brown Prince 
Butterfly Cupha maeonides 
Caeruleuptychia aegrota 
Caeruleuptychia pilata 
California Ringlet