Cabbage Webworm 
Cacographis osteolalis 
Cadarena pudoraria 
California Pyrausta Moth 
Callibotys hyalodiscalis 
Canadian petrophila moth 
Cangetta hartoghialis 
Caprinia periusalis 
Carminibotys 
Carpet-grass Webworm Moth 
Carrot seed moth 
Celery leaftier 
Ceratocilia sixolalis 
Changeable grass-veneer 
Checkered Apogeshna Moth 
Chequered Snout 
Chestnut-marked pondweed moth 
Chilochromopsis 
Choristostigma perpulcralis 
Chrysothyridia triangulifera 
Cirrhochrista annulifera 
Cirrhochrista brizoalis 
Cirrhochrista cygnalis 
Cirrhochrista fumipalpis