| Bacterial diseases | |
|---|---|
| Bacterial canker | Xanthomonas campestris pv. theicola Xanthomonas gorlencovianum |
| Bacterial shoot blight | Pseudomonas avellanae pv. theae |
| Crown gall | Agrobacterium tumefaciens |
| Nematodes, parasitic | |
|---|---|
| Burrowing nematode | Radopholus similis |
| Dagger nematode | Xiphinema insigne |
| Lance nematode | Hoplolaimus columbus |
| Mature tea nematode | Meloidogyne brevicauda |
| Pin nematode | Paratylenchus curvitatus |
| Reniform nematode | Rotylenchulus reniformis |
| Root-knot nematode | Meloidogyne arenaria Meloidogyne hapla Meloidogyne incognita Meloidogyne javanica Meloidogyne thamesi |
| Root lesion nematode | Pratylenchus brachyurus Pratylenchus loosi |
| Sheath nematode | Hemicriconemoides kanayaensis |
| Spiral nematode | Helicotylenchus dihystera Helicotylenchus erythrinae |
| Stunt nematode | Tylenchorhynchus sp. |
| Lepidoptera (butterflies and moth) pests | |
|---|---|
| Case-bearer species | Coleophora scaleuta |
| Case-bearer species | Coleophora vigilis |
| Ghost moth species | Endoclita malabaricus |
| Ghost moth species | Endoclita punctimargo |
| Ghost moth species | Endoclita purpurescens |
| Ghost moth species | Endoclita sericeus |
| Willow Beauty | Peribatodes rhomboidaria |