| Common name (English) | |
|---|---|
| Saissetia persimilis | |
| Scyphophorus acupunctatus | Sisal weevil; Agave weevil |
| Seiridium cardinale | |
| Singhiella simplex | |
| Solenopsis canariensis | |
| Spiroplasma citri | |
| Spodoptera frugiperda | Fall Armyworm |
| Stator limbatus | |
| Sycophaga sycomori | |
| Sycophila maculafacies | |
| Sycophila petiolata | |
| Symphyotrichum squamatum | saltmarsh aster |
| Taraxacum officinale | Common dandelion, Eurasian dandelion |
| Tetramorium bicarinatum | |
| Tetramorium caldarium | |
| Tetramorium immigrans | |
| Tetramorium lanuginosum | |
| Thaumastocoris peregrinus | Bronze bug |
| Thrips australis | |
| Tobacco etch virus |