Bright-line brown-eye 
Bright-orange Darter 
Brilliant blue 
Brimstone Moth 
Brindled Flat-Body 
Briseis Underwing Moth 
Broad-banded Eulogia 
Broad-barred white 
Broad-bordered bee hawk-moth 
Broad-bordered bee hawkmoth 
Broad-bordered Grass Yellow 
Broad-lined Angle 
Broad-patched Eugnosta 
Broad-winged Skipper 
Broken-banded leafroller 
Broken-line hypenodes 
Broken-lined Brocade 
Broken-lined zomarium 
Bronze Alder Moth 
Bronze-banded Corticivora 
Bronzed Cutworm Moth 
Broom Moth 
Bröther 
Brown Angle Shades