| Common name (English) | |
|---|---|
| Ceroplastes floridensis | Florida wax scale |
| Ceroplastes sinensis | Chinese wax scale |
| Chenopodium giganteum | |
| Chrysolina americana | Rosemary beetle |
| Chrysomphalus aonidum | Florida red scale, Egyptian black scale, Circular black scale, Citrus black scale |
| Coccotrypes dactyliperda | Date stone beetle; Palm seed borer; Button beetle |
| Coccus hesperidum | Brown soft scale |
| Coccus pseudomagnoliarum | Citricola scale |
| Coloradoa rufomaculata | |
| Contarinia citri | Citrus blossom midge |
| Corcyra cephalonica | Rice moth |
| Cryptolestes ferrugineus | |
| Cryptophagus laticollis | |
| Ctenocephalides canis | Dog flea |
| Ctenocephalides felis | Cat flea |
| Cuscuta pentagona | Field dodder |
| Dactylopius opuntiae | Opuntia cochineal scale |
| Dialeurodes kirkaldy | |
| Diaspis echinocacti | Cactus scale |
| Dichelia cedricola |