Columbian Emerald 
Columbian shield mantis 
Columbine Blotch Leafminer 
Columbine borer 
Columbine duskywing 
Columbine Leafminer 
Colyttus striatus 
Comana cosmocalla 
Comanche skimmer 
Combe brianus 
Comet Moth 
Comibaena albimarginata 
Comibaena attenuata 
Comma 
Comma nephele hawk moth 
Commander 
Commius elegans 
Common Acacia Blue 
Common acleris 
Common Adreppus 
Common Aerial Yellowjacket 
Common aeroplane 
Common American Thief Ant 
Common Angle Moth