Bracken Moth 
Bright wave 
Brimstone Moth 
Broad-lined Angle 
Brown bark carpet moth 
Brown Pasture Looper 
Brown-lined Looper 
Brown-Shaded Gray Moth 
Bruce spanworm 
Bytharia uniformis 
Calichodes subrugata 
Calletaera basipuncta 
Calletaera jotaria 
Callhistia dohertyi 
Callipseustes convergens 
Campaea margaritata 
Canadian melanolophia 
Capusa cuculloides 
Cargolia arana 
Cargolia pruna 
Carpella innotata 
Cartellodes levis 
Casbia celidosema 
Casbia scardamiata