The list of endorsed National Diagnostic Protocols is correct as of April 2021.

An Excel document of endorsed and draft National Diagnostic Protocols is also available.

Common name Scientific name NDP number IPPC protocol available National Priority Plant Pest High Priority Pest Life form
American serpentine leafminer Liriomyza trifolii NDP 27 20 Y Diptera
Apple brown rot Monilinia fructigena NDP 1 Y Fungi
Asian gypsy moth, gypsy moth complex Lymantria dispar NDP 42 IPPC 8 Y Lepidoptera
Avocado thrips Scirtothrips perseae NDP 3 Y Thysanoptera
Barley stripe rust Puccinia striiformis f. sp. hordei NDP 38 Y Fungi
Black rot Phyllosticta ampelicida (syn. Guignardia bidwellii) NDP 13 Y Fungi
Blackline Cherry leaf roll virus (Nepovirus) NDP 10 N Virus
Chestnut blight Cryphonectria parasitica NDP 11 Y Fungi
Citrus canker Xanthomonas citri subsp. citri NDP 9 16 Y Bacteria
Colorado potato beetle Leptinotarsa decemlineata NDP 22 Y Coleoptera
Dutch elm disease Ophiostoma ulmi NDP 37 41 N Fungi
European canker Neonectria ditissima NDP 21 Y Fungi
European stone fruit yellows Candidatus Phytoplasma prunorum NDP 12 N Phytoplasma
Fusarium wilt of chickpea Fusarium oxysporum f. sp. ciceris NDP 36 Y Fungi
Glassy winged sharp shooter Homalodisca vitripennis NDP 23 Y Hemiptera
Grape root rot Roesleria subterranea NDP 35 N Fungi
Grapevine leaf rust Phakopsora euvitis NDP 35 IPPC 39 N Fungi
Hazelnut big bud mite Phytoptus avellanae NDP 39 IPPC N Acari
Hessian fly Mayetiola destructor NDP 41 IPPC 28 Y Diptera
Huanglongbing Candidatus Liberibacter asiaticus NDP 25 Y Bacteria
Karnal bunt Tilletia indica NDP 19 5 Y Fungi
Lentil rust Uromyces viciae-fabae (lentil strain) NDP 31 IPPC N Fungi
Mal secco Plenodomus tracheiphilus (syn. Phoma tracheiphila) NDP 26 IPPC N Fungi
Pierce’s disease Xylella fastidiosa NDP 6 1 Y Bacteria
Pine gall rust Endocronartium harknessii NDP 32 Y Fungi
Plum pox virus Plum pox virus (Potyvirus) NDP 2 24 Y Virus
Poinsettia thrips Echinothrips americanus NDP 4 IPPC N Thysanoptera
Potato mop top virus Potato mop top virus (Pomovirus) NDP 15 N Virus
Potato ring rot Clavibacter michiganensis subsp. sepedonicus NDP 8 N Bacteria
Potato wart Synchytrium endobioticum NDP 16 N Fungi
PSTVd Potato spindle tuber viroid (Pospiviroidae) NDP 7 Y Viroid
Pulvinaria scale Pulvinaria iceryi NDP 34 N Hemiptera
Pyriform scale Protopulvinaria pyriformis NDP 33 N Hemiptera
Red turpentine beetle Dendroctonus valens NDP 24 Y Coleoptera
Rice blast Pyricularia oryzae (syn. Magnaporthe grisea) NDP 14 Y Fungi
Russian wheat aphid Diuraphis noxia NDP 28 Y Hemiptera
Sudden oak death Phytophthora ramorum NDP 5 14 Y Oomycetes
Summer fruit tortrix Adoxophyes orana NDP 30 N Lepidoptera
Sunflower stem canker Diaporthe helianthi NDP 40 Y Fungi
Tomato potato psyllid Bactericera cockerelli NDP 20 Y Hemiptera
X disease Candidatus Phytoplasma pruni NDP 17 N Phytoplasma
Zebra chip Candidatus Liberibacter solanacearum NDP 18 IPPC 13 Y Bacteria