Cleora monodactyla 
Cleora pendleburyi 
Clepsis canariensis 
Clepsis coriacana 
Clepsis dumicolana 
Clerota rigifica 
Clerus gilberti 
Clerus mutillarius 
Clethrophora angulipennis 
Clethrorasa pilcheri 
Clettharina macrocorema 
Cletus saucius 
Clibanarius erythropus 
Cliff Mining Bee 
Climena Crow 
Clinocippus albater 
Clinteria atra 
Clipper 
Clitellaria bilineata 
Clivina americana 
Cloaked Marvel Moth 
Clodian Apollo 
Cloeon dipterum 
Cloeon simile