| Common name (English) | |
|---|---|
| Aulacaspis yasumatsui | Cycad aulacaspis scale, Cycad scale, Sago palm scale, Asian cycad scale |
| Bemisia tabaci | Silverleaf whiefly, Sweet potato whitefly |
| Bidens pilosa | Black-jack |
| Blastopsylla occidentalis | |
| Brachycaudus amygdalinus | Short-tailed almond aphid |
| Brachycaudus cardui | Thistle aphid; Plum-thistle aphid |
| Cardamine occulta | |
| Cardiocondyla mauritanica | |
| Carpophilus marginellus | |
| Ceratitis capitata | Mediterranean fruit fly |
| Ceroplastes floridensis | Florida wax scale |
| Ceroplastes sinensis | Chinese wax scale |
| Chenopodium giganteum | |
| Chilo partellus | Spotted stalk borer, Spotted stem borer |
| Chrysomphalus aonidum | Florida red scale, Egyptian black scale, Circular black scale, Citrus black scale |
| Citrus tristeza virus | |
| Clavibacter michiganensis michiganensis | Bacterial canker of tomato |
| Closterocerus chamaeleon | |
| Coccidoxenoides perminutus | |
| Coccophagus scutellaris |