National Diagnostic Protocol List
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The list of endorsed National Diagnostic Protocols is correct as of June 2026.
Endorsed National Diagnostic Protocols
| NDP number | Scientific name | Common name | IPPC protocol available | Life form |
| 1 | Monilinia fructigena | Apple brown rot | Fungi | |
| 2 | Plum pox virus (Potyvirus) | Plum pox virus | DP 02: Plum pox virus | Virus |
| 3 | Scirtothrips perseae | Avocado thrips | Thysanoptera | |
| 4 | Echinothrips americanus | Poinsettia thrips | Thysanoptera | |
| 5 | Phytophthora ramorum | Sudden oak death | DP 23: Phytophthora ramorum | Oomycetes |
| 6 | Xylella spp. | Pierce’s disease | DP 25: Xylella fastidiosa | Bacteria |
| 7 | Potato spindle tuber viroid (Pospiviroidae) | PSTVd | DP 07: Potato spindle tuber viroid | Viroid |
| 8 | Clavibacter michiganensis subsp. sepedonicus | Potato ring rot | Bacteria | |
| 9 | Xanthomonas citri subsp. citri | Citrus canker | DP 06: Xanthomonas citri subsp. citri | Bacteria |
| 10 | Cherry leaf roll virus (Nepovirus) | Blackline | Virus | |
| 11 | Cryphonectria parasitica | Chestnut blight | Fungi | |
| 12 | Candidatus Phytoplasma prunorum | European stone fruit yellows | Bacteria | |
| 13 | Phyllosticta ampelicida (syn. Guignardia bidwellii) | Black rot | Fungi | |
| 14 | Pyricularia oryzae (syn. Magnaporthe grisea) | Rice blast | Fungi | |
| 15 | Potato mop top virus (Pomovirus) | Potato mop top virus | Virus | |
| 16 | Synchytrium endobioticum | Potato wart | Fungi | |
| 17 | Candidatus Phytoplasma pruni | X disease | Bacteria | |
| 18 | Candidatus Liberibacter solanacearum | Zebra chip | DP 21: ‘Candidatus Liberibacter solanacearum’ | Bacteria |
| 19 | Tilletia indica | Karnal bunt | DP 04: Tilletia Indica Mitra | Fungi |
| 20 | Bactericera cockerelli | Tomato potato psyllid | Hemiptera | |
| 21 | Neonectria ditissima | European canker | Fungi | |
| 22 | Leptinotarsa decemlineata | Colorado potato beetle | Coleoptera | |
| 23 | Homalodisca vitripennis | Glassy winged sharp shooter | Hemiptera | |
| 24 | Dendroctonus valens | Red turpentine beetle | Coleoptera | |
| 25 | Candidatus Liberibacter asiaticus | Huanglongbing | DP 31: ‘Candidatus Liberibacter’ spp. on Citrus spp. | Bacteria |
| 26 | Plenodomus tracheiphilus (syn. Phoma tracheiphila) | Mal secco | Fungi | |
| 27 | Liriomyza trifolii | American serpentine leafminer | DP 16: Genus Liriomyza | Diptera |
| 28 | Diuraphis noxia | Russian wheat aphid | Hemiptera | |
| 29 | Phakopsora euvitis | Grapevine leaf rust | Fungi | |
| 30 | Adoxophyes orana | Summer fruit tortrix | Lepidoptera | |
| 31 | Uromyces viciae-fabae (lentil strain) | Lentil rust | Fungi | |
| 32 | Endocronartium harknessii | Pine gall rust | Fungi | |
| 33 | Protopulvinaria pyriformis | Pyriform scale | Hemiptera | |
| 34 | Pulvinaria iceryi | Pulvinaria scale | Hemiptera | |
| 35 | Roesleria subterranea | Grape root rot | Fungi | |
| 36 | Fusarium oxysporum f. sp. ciceris | Fusarium wilt of chickpea | Fungi | |
| 37 | Ophiostoma ulmi | Dutch elm disease | Fungi | |
| 38 | Puccinia striiformis f. sp. hordei | Barley stripe rust | Fungi | |
| 39 | Phytoptus avellanae | Hazelnut big bud mite | Acari | |
| 40 | Diaporthe helianthi | Sunflower stem canker | Fungi | |
| 41 | Mayetiola destructor | Hessian fly | Diptera | |
| 42 | Lymantria dispar | Asian gypsy moth, gypsy moth complex | Lepidoptera | |
| 43 | Ceratovacuna lanigera | Sugarcane woolly aphid | Hemiptera | |
| 44 | Colletotrichum lentis | Lentil anthracnose | Fungi | |
| 45 | Trogoderma granarium | Khapra beetle | DP 03: Trogoderma granarium Everts | Coleoptera |
| 46 | Grapevine flavescence doree phytoplasma | Flavescence Doree | Bacteria | |
| 47 | Red clover vein mosaic virus | Red clover vein mosaic virus | Virus | |
| 48 | Wheat spindle streak mosaic virus | Wheat spindle streak mosaic virus | Virus | |
| 49 | Fusarium oxysporum f. sp. cubense (TR4) | Panama disease | Fungi | |
| 50 | Phymatotrichopsis omnivora | Texas root rot | Fungi | |
| 51 | Bursaphelenchus xylophilus | Pine wood nematode | DP10: Bursaphelenchus xylophilus | Nematode |
| 52 | Potyvirus zeananus | Maize dwarf mosaic virus | Virus | |
| 53 | The genus Heterodera | Cyst Nematodes | Nematode | |
| 54 | Philaenus spumarius | Meadow Spittlebug | Hemiptera | |
| 55 | Exotic leafhopper Xylella vectors and related species | Leafhopper vectors of Xylella | Hemiptera | |
| Endorsed – the protocol has been assessed and endorsed by the Subcommittee on Plant Health Diagnostics as a National Diagnostic Protocol | ||||
