Brown-striped semilooper 
Brown-tail 
Bruce spanworm 
Bubastus Hairstreak 
Bucculatrix packardella 
Buck moth 
Buff arches 
Buff clothes moth 
Buff ermine 
Buff Footman 
Buff-tip 
Buff-tipped Eucosma 
Buff-tipped Marble 
Bunchberry Leaffolder Moth 
Burdock seedhead moth 
Burnet Companion Moth 
Burnished brass 
Butterfly Cupha maeonides 
Buttoned Snout 
Buzara onelia 
Buzara saikehi 
Byrsia aurantiaca 
Byrsia dotata 
Bytharia uniformis