Carolina Thief Ant 
Cataglyphis nodus 
Cataglyphis velox 
Cattlepoisoning Sawfly 
Celonites tauricus 
Central American paper wasp 
Central European Bicolored Ant 
Centris pallida 
Cephalotes pusillus 
Ceratina beata 
Cerceris arenaria 
Cerceris atramontensis 
Cerceris gilesi 
Cerceris halone 
Cerceris nigrescens 
Chalybion femoratum 
Charcoal Stingless Bee 
Charops annulipes 
Cherry Gall Wasp 
Chestnut Carpenter Ant 
Chlorion lobatum 
Chrysis angolensis 
Chrysis coeruleiventris 
Chrysis immaculata