Coffee-bean Beetle 
Coleomegilla occulta 
Colliuris pensylvanica 
Colorado potato beetle 
Colpotus pectoralis 
Combe brianus 
Common Asparagus Beetle 
Common Brown Click Beetle 
Common cockchafer 
Common eastern firefly 
Common Green June Beetle 
Common Leaf Weevil 
Common Pollen Beetle 
Common red soldier beetle 
Common Sun Beetle 
Common Whirligig Beetle 
Coniocleonus nigrosuturatus 
Conoderus lividus 
Contacyphon neopadi 
Contacyphon variabilis 
Convergent Ladybird 
Cophes obtentus 
Copper Chafer 
Coptocephala scopolina