Cantheconesia cyanacantha 
Canthesancus gulo 
Canthophorus maculipes 
Capra's Water Cricket 
Capsodes flavomarginatus 
Capsus ater 
Carbula scutellata 
Carineta bitorquata 
Carineta rufescens 
Carpocoris pudicus 
Cassin's 17-Year Cicada 
Cathedra serrata 
Cedusa mallochi 
Cenestra aurora 
Centrochares horrificus 
Centrocoris variegatus 
Centromeria maculata 
Centromeria speilinea 
Ceraleptus gracilicornis 
Cercopis intermedia 
Cercopis sanguinolenta 
Ceroplastes ceriferus 
Cerynia albata 
Cerynia maria