List of pests regulated by Canada
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The following pests are regulated under the authority of the Plant Protection Act. Pests in this list are linked to the policy directives that are available electronically. The list may be revised at any time.
A
| Scientific name and authority Table Note 1 | English common name Table Note 2 | Pest type | Directive |
|---|---|---|---|
| Achatina achatina L. | Giant West African snail | Mollusc | D-12-02 |
| Achatina fulica Bowdich (also Lissachatina fulica) | Giant African snail | Mollusc | D-12-02 |
| Acrobasis pyrivorella Matsumura | Pear fruit moth | Insect | D-95-08 |
| Acropolitis rudisana Walker | Leafroller caterpillar | Insect | D-95-08 |
| Adelges tsugae Annand | Hemlock woolly adelgid | Insect | D-01-12, D-07-05 |
| Adoxophyes orana Fischer von Röeslerstamm | Summer fruit tortrix moth | Insect | D-95-08 |
| Aegilops cylindrica | Jointed goatgrass | Plant | D-12-01 |
| Agrilus planipennis Fairmaire |
Emerald Ash Borer | Insect | D-02-12, D-03-08, Plant Protection Regulations (Schedule II) |
| Alopecurus myosuroides | Slender foxtail | Plant | D-12-01 |
| Alternaria gaisen Nagano | Black spot of Japanese pear | Fungus | D-95-08 |
| Alternaria kikuchiana S. Tanaka | Also called Alternaria gaisen | D-95-08 | |
| American plum line pattern ilavirus (APLPV) | American plum line pattern virus | Virus | |
| Amphitetranychus viennensis Zacher | Hawthorn spider mite | Mite | D-95-08 |
| Andean potato latent virus (APLV) | Andean potato latent virus | Virus | D-98-01, D-96-05 |
| Andean potato mottle virus (APMoV) | Andean potato mottle virus | Virus | D-98-01, D-96-05 |
| Anisogramma anomala (Pk) Müller | Eastern filbert blight | Fungus | D-08-04, D-00-03, Plant Protection Regulations (Schedule II) |
| Anoplophora spp. | Longhorned beetles | Insect | D-08-04, D-98-08, D-11-05, D-11-01, D-01-12, D-02-12 |
| Anthonomus bisignifer (Schenkling) | Strawberry blossom weevil | Insect | D-95-08 |
| Aphanostigma iaksuiense (Kishida) | Powdery pear aphid | Insect | D-95-08 |
| Aphanostigma piri (Cholodkovsky) | Pear phylloxera | Insect | D-95-08 |
| Apple chat fruit disease | Apple chat fruit | Virus | |
| Apple chlorotic leaf spot trichovirus (ACLSV) | Apple chlorotic leaf spot virus, peach dark sunken mottle, dark green sunken mottle | Virus | |
| Apple flat limb agent | Apple flat limb | Unknown | |
| Apple green crinkle associated virus (AGCaV) | Apple green crinkle | Virus | |
| Apple ringspot agent | Apple ringspot agent | Virus | |
| Apple rosette agent | Apple rosette agent | Unknown | |
| Apple rough bark agent | Apple rough bark | Unknown | |
| Apple rubbery wood virus 1 (ARWV-1) | Apple rubbery wood (ARW) | Virus | |
| Apple rubbery wood virus 2 (ARWV-2) | Apple rubbery wood (ARW) | Virus | |
| Apple scar skin viroid (ASSVd) | Dapple apple | Virus | |
| Apple star crack agent | Apple star crack | Unknown | |
| Apple stem grooving capillovirus (ASGV) | Apple stem grooving virus | Virus | |
| Apple stem pitting foveavirus (ASPV) | Apple stem pitting virus | Virus | |
| Archachatina degneri Bequaert & Clench | Giant African land snail | Mollusc | D-12-02 |
| Archachatina purpurea Gmelin | Giant African land snail | Mollusc | D-12-02 |
| Archachatina ventricosa Gould | Giant African land snail | Mollusc | D-12-02 |
| Archips breviplicanus (Walsingham) | Asiatic leafroller | Insect | D-95-08 |
| Archips semistructa (Meyrick) | Insect | D-95-08 | |
| Arge berberidis Schrank | Barberry sawfly | Insect | Prohibited plant material from areas other than the continental United States |
| Argyrotaenia ljungiana Thunberg | Eurasian fruit roller moth | Insect | D-95-08 |
| Aromia bungii (Faldermann) | Red necked longicorn | Insect | D-98-08 |
| Arracacha B virus, oca strain (AVB-O) | Arracacha virus B (oca strain) | Virus | D-98-01, D-96-05 |
| Artichoke Italian latent virus (AILV) | Artichoke Italian latent virus | Virus | D-97-06, D-94-34 |
| Arundo donax | Giant Reed | Plant | D-12-01 |
B
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Beet curly top virus (BCTV) | Beet curly top virus | Virus | D-98-01, D-96-05 |
| Berberis spp. | Barberry | Plant | D-01-04, Plant Protection Regulations (Schedule II) |
| Black currant reversion virus | Black currant reversion | Virus | D-08-04, D-95-08, D-94-18 |
| Brenneria salicis (Day) Hauben et al. | Watermark disease of willow | Bacteria | D-01-12, D-98-08, D-02-12 |
| Bretziella fagacearum (Bretz) Z.W. de Beer, Marinc., T.A. Duong and M.J. Wingf (previously known as Ceratocystis fagacearum (Bretz) Hunt) | Oak wilt | Fungus | D-08-04, D-01-12, D-99-03, D-98-08, D-02-12 |
C
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Cacoecimorpha pronubana Hübner | Carnation tortrix | Insect | D-95-08 |
| Cacopsylla chinensis (Yang & Li) | Chinese pear psylla | Insect | D-95-08 |
| Cacopsylla liaoli (Yang & Li) | Liaoning pear psylla | Insect | D-95-08 |
| Callipogon relictus Semenov | Longhorned beetle | Insect | D-01-12, D-98-08, D-02-12 |
| Candidatus Phytoplasma mali | Apple proliferation | Phytoplasma | D-08-04 |
| Candidatus Phytoplasma pruni | Peach X-disease, albino cherry (cherry albino), peach yellows, peach rosette, peach red suture, little peach | Phytoplasma | D-08-04 |
| Cadidatus Phytoplasma prunorum | European stone fruit yellows, peach yellows, peach rosette, peach or apricot chlorotic leafroll | Phytoplasma | D-08-04, RMD-09-01 |
| Candidatus Phytoplasma pyri | Pear decline, pear moria | Phytoplasma | D-08-04 |
| Candidatus Phytoplasma rubi | Rubus stunt phytoplasma | Phytoplasma | D-08-04, RMD-09-01 |
| Candidatus Phytoplasma solani | Vergilbungskrankheit, bois noir | Phytoplasma | D-97-06, D-94-34 |
| Candidatus Phytoplasma vitis | Flavescence dorée | Phytoplasma | D-97-06, D-94-34 |
| Carposina sasakii Matsumura | Peach fruit moth | Insect | D-95-08 |
| Centaurea iberica | Iberian starthistle | Plant | D-12-01 |
| Centaurea solstitialis | Yellow starthistle | Plant | D-12-01 |
| Charrinia diplodiella (Speg.) Sacc. | Also called Coniella diplodiella | D-97-06, D-94-34 | |
| Cherry green ring mottle foveavirus | Cherry green ring mottle virus | Virus | |
| Cherry leaf roll nepovirus (CLRV) | Cherry leaf roll | Virus | |
| Cherry mottle leaf trichovirus (CMLV) | Cherry mottle leaf | Virus | |
| Cherry necrotic rusty mottle virus (CNRMV) | Cherry necrotic rusty mottle | Virus | |
| Cherry pink fruit agent | Cherry pink fruit | Unknown | |
| Cherry rasp leaf nepovirus (CRLV) | Cherry rasp leaf virus | Virus | |
| Cherry rough fruit agent | Cherry rough fruit | Virus | |
| Cherry rusty mottle associated virus (CRMaV) | Cherry rusty mottle | Virus | |
| Cherry short stem agent | Cherry short stem | Virus | |
| Cherry twisted leaf associated virus (CTLaV) | Apricot ring pox, apricot ringspot, cherry twisted leaf | Virus | |
| Chrysanthemum stem necrosis tospovirus | Chrysanthemum stem necrosis, CSNV | Virus | D-08-04 |
| Clavibacter michiganensis subsp. sepedonicus (Spieckermann & Kotthoff) Davis et et al. | Bacterial ring rot of potato | Bacteria | D-98-01, D-97-12, D-97-11, D-97-08, D-95-18 |
| Colletotrichum panacicola Nakata & Takimoto | Ginseng anthracnose | Fungus | D-94-25 |
| Coniella diplodiella (Speg.) Petr. & Syd. | White rot | Fungus | D-95-08 |
| Conogethes punctiferalis Guenée | Yellow peach moth | Insect | D-95-08 |
| Cornu aspersum Müller | European brown garden snail | Mollusc | D-09-01, D-08-04, D-96-20, Plant Protection Regulations (Schedule II) |
| Crupina vulgaris | Common crupina | Plant | D-12-01 |
| Cuscuta spp. | Dodder | Plant | D-99-01, D-98-06, D-06-01, D-12-01 |
| Cydalima perspectalis | Box tree moth | Insect | RMD-22-02, D-22-04 |
| Cydia funebrana Treitschke | Plum fruit moth | Insect | D-95-08 |
| Cydia inopinata Heinrich | Also called Grapholita inopinata | D-95-08 | |
| Cydia pomonella L. | Codling moth | Insect | D-95-08 |
D
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Daktulosphaira vitifoliae Fitch | Also called Viteus vitifoliae | D-94-34, Plant Protection Regulations (Schedule II) | |
| Dendroctonus micans (Kugelann) | European spruce beetle, great spruce bark beetle | Insect | |
| Diaporthe tanakae Kobayashi & Sakuma | European pear dieback | Fungus | D-95-08 |
| Diaspidiotus pyri Lichtenstein | Pear scale | Insect | D-95-08 |
| Dichocrocis punctiferalis Guenée | Also called Conogethes punctiferalis | D-95-08 | |
| Dioscorea polystachya | Chinese yam | Plant | D-12-01 |
| Ditylenchus destructor Thorne | Potato rot nematode | Nematode | D-08-04, D-01-02, D-98-01, D-96-20, D-96-05, D-95-26 |
| Ditylenchus dipsaci (Kühn) Filipjev | Stem and bulb nematode | Nematode | D-08-04, D-01-11, D-01-02, D-98-01, D-96-05 |
E
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Echium plantagineum | Paterson's curse | Plant | D-12-01 |
| Elsinoe ampelina Shears | Anthracnose | Fungus | D-08-04, D-97-06, D-95-08, D-94-34 |
| Epiphyas postvittana Walker | Light brown apple moth, apple leafroller | Insect | D-95-08, D-07-03 |
| Eriochloa villosa | Woolly cup grass | plant | D-11-03, D-12-01 |
| Eupoecilia ambiguella Hübner | European grape berry moth | Insect | D-95-08 |
| Euproctis chrysorrhoea L. | Brown-tail moth | Insect | |
| Euzophera bigella (Zeller) | Quince moth | Insect | D-95-08 |
| Euzophera pyriella (Yang) | Insect | D-95-08 |
F
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Fusarium oxysporum f.sp. cannabis Noviello & W.C. Snyder | Fusarium wilt | Fungus | D-96-03 |
G
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Globodera pallida (Stone) Behrens | Pale cyst nematode | Nematode | D-12-02, D-08-04, D-03-09, D-01-02, D-98-01, D-96-20, D-96-05, D-95-26, D-94-34, D-94-26, D-94-25, Plant Protection Regulations (Schedule II) |
| Globodera rostochiensis (Wollenweber) Behrens | Golden nematode | Nematode | D-12-02, D-08-04, D-03-09, D-01-02, D-98-01, D-96-20, D-96-05, D-95-26, D-94-34, D-94-26, D-94-25, Plant Protection Regulations (Schedule II) |
| Grapevine asteroid mosaic virus | Grapevine asteroid mosaic virus | Virus | D-97-06, D-94-34 |
| Grapevine Bulgarian latent virus (GBLV) | Grapevine Bulgarian latent virus | Virus | D-97-06, D-94-34 |
| Grapevine chasselas latent agent | Grapevine chasselas | Virus | D-97-06, D-94-34 |
| Grapevine (Hungarian) chrome mosaic virus (GCMV) | Grapevine chrome mosaic, Hungarian chrome mosaic | Virus | D-97-06, D-94-34 |
| Grapevine corky bark virus | Grapevine corky bark | Virus | D-97-06, D-94-34 |
| Grapevine enation agent | Enation disease of grapevine | Virus | D-97-06, D-94-34 |
| Grapevine vein mosaic or necrosis virus | Vein necrosis, vein mosaic | Virus | D-97-06, D-94-34 |
| Grapevine yellows | Grapevine yellows | Phytoplasma | D-97-06, D-94-34 |
| Grapholita dimorpha Komai | Plum fruit moth, Oriental plum fruit moth | Insect | D-95-08 |
| Grapholita inopinata Heinrich | Manchurian fruit or codling moth | Insect | D-95-08 |
| Grapholita lobarzewskii (Nowicki) | Small fruit tortrix | Insect | D-95-08 |
| Grapholita molesta Busck | Oriental fruit moth | Insect | D-08-04, D-95-08, D-99-04, Plant Protection Regulations (Schedule II) |
| Gremmeniella abietina (Lagerb.) Morelet | Scleroderris canker | Fungus | D-08-04, D-98-08, D-98-02, D-97-10, Plant Protection Regulations (Schedule II) |
| Gremmeniella abietina var. abietina (Lagerb.) Morelet | Scleroderris canker (European race) | Fungus | D-02-12, D-01-12, D-98-02, D-03-09 |
| Guignardia baccae (Cavara) Jacz. | Black rot of grape | Fungus | D-95-08 |
| Gymnosporangium yamadae Miyabe ex G. Yamada | Japanese apple rust | Fungus | D-95-08 |
H
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Helix aspersa Müller | Also called Cornu aspersum | ||
| Helix spp. | Terrestrial snails | Mollusc | D-08-04, D-12-02 |
| Hesperophanes campestris Faldermann | Hairy house longicorn | Insect | D-01-02, D-98-08 |
| Hylastes ater Paykull | Black pine bark beetle | Insect | D-01-12, D-98-08, D-02-12 |
| Hylesinus oleiperda (F.) | Bark beetle, fig tree | Insect | D-98-08 |
| Hymenoscyphus fraxineus | Fungus | RMD-13-08 |
I
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Ips typographus L. | European spruce bark beetle, eight spined spruce bark beetle | Insect | D-01-12, D-98-08, D-02-12 |
K
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Kober stem grooving (associated with Grapevine Virus A) | Kober stem grooving | Virus | D-97-06, D-94-34 |
L
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Lachnellula willkommii (Hartig) Dennis | European larch canker | Fungus | D-08-04, D-01-12, D-97-10, D-02-12, Plant Protection Regulations (Schedule II) |
| Leptinotarsa decemlineata Say | Colorado potato beetle | Insect | D-98-01, D-96-05, Plant Protection Regulations (Schedule II) |
| Leucoptera malifoliella Costa | Pear leaf blister moth | Insect | D-95-08 |
| Little cherry closterovirus 1, 2 & 3 (LchV-1, LchV-2, LchV-3) | Little cherry disease | Virus | |
| LN33 stem grooving | LN33 stem grooving | D-97-06, D-94-34 | |
| Lobesia botrana Denis & Schiffermüller | European grapevine moth | Insect | D-95-08 |
| Longidorus spp. Micoletzky | Needle nematodes | Nematode | D-97-06, D-94-34, Plant Protection Regulations (Schedule II) |
| Lycorma delicatula (White) | Spotted lanternfly | Insect | D-08-04, D-01-12 |
| Lymantria albescens Hori and Umeno | Insect | D-95-03 | |
| Lymantria dispar L. | Insect | D-08-04, D-01-12, D-99-03, D-98-09, D-98-08, D-98-02, D-97-10, D-02-12, D-95-03, Plant Protection Regulations (Schedule I & II) | |
| Lymantria dispar asiatica Vnukovskij | Insect | D-95-03 | |
| Lymantria dispar japonica (Motschulsky) | Insect | D-95-03 | |
| Lymantria mathura Moore | Insect | D-01-12, D-98-08, D-02-12 | |
| Lymantria monacha L. | Nun moth | Insect | D-08-04, D-02-12, D-01-12, D-98-08 |
| Lymantria postalba Inoue | Insect | D-95-03 | |
| Lymantria umbrosa (Butler) | Insect | D-95-03 |
M
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Mahoberberis spp. | Barberry | Plant | D-01-04, Plant Protection Regulations (Schedule I) |
| Mahonia spp. | Barberry | Plant | D-01-04, Plant Protection Regulations (Schedule I) |
| Mamestra brassicae (Linnaeus) | Cabbage moth, Cabbage armyworm | Insect | D-95-08 |
| Mayetiola destructor (Say) | Hessian fly | Insect | D-99-01, D-08-01 |
| Meloidogyne chitwoodi Golden, O'Bannon, Santo & Finley | Columbia root-knot nematode | Nematode | D-08-04, D-00-04, D-98-01, D-96-20, D-96-05, D-95-26, D-94-26 |
| Microstegium vimineum | Japanese stiltgrass | Plant | D-12-01 |
| Monilia polystroma van Leeuven | Fungus | D-08-04, D-95-08 | |
| Monilia yunnanensis (M.J. Hu & C.X. Luo) | Brown rot | Fungus | D-95-08 |
| Monilinia fructigena Honey | Brown rot | Fungus | D-08-04, D-95-08 |
| Monilinia mali | Apple Blossom blight | Fungus | D-95-08 |
| Monochamus alternatus Hope | Dark pine longicorn | Insect | D-01-12, D-02-12 |
| Monochamus spp. | Boring beetles | Insect | D-98-08, D-07-02 |
N
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Nassella trichotoma | Serrated tussock | Plant | D-12-01 |
| Naupactus xanthographus Germar | Fruit tree weevil | Insect | D-95-08 |
| Neovossia indica (Mitra) Mundk. | Also called Tilletia indica | D-99-01 | |
| Nippoptilia vitis (Sasaki) | Grape plume moth | Insect | D-95-08 |
| Numonia pyrivorella Matsumura | also called Acrobasis pyrivorella | D-95-08 | |
| Nysius ericae (Schilling) | Seed bugs, false chinch bug | Insect | D-95-08 |
| Nysius vinitor Bergroth | Rutherglen bug | Insect | D-95-08 |
O
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Oemona hirta (Fabricius) | Lemon tree borer | Insect | D-08-04 |
| Operophtera brumata L. | Winter moth | Insect | D-01-12 |
| Ophiostoma novo-ulmi Brasier | Dutch elm disease | Fungus | D-01-12, D-98-08, D-97-07, D-02-12, Plant Protection Regulations (Schedule II) |
| Ophiostoma ulmi (Buisman) Nannf. | Dutch elm disease | Fungus | D-08-04, D-01-12, D-98-08, D-97-07, D-02-12, Plant Protection Regulations (Schedule II) |
| Orgyia anartoides Walk. | Painted apple moth | Insect | D-95-08 |
| Orobanche spp. | Broomrape | Plant | D-99-01, D-98-06, D-96-03, D-12-01 |
| Ostrinia nubilalis Hübner | European corn borer | Insect | D-96-08, D-95-28 |
| Otiorhynchus corruptor (Host) | Insect | D-95-08 | |
| Otiorhynchus ligustici L. | Alfalfa snout beetle | Insect | D-08-04, Plant Protection Regulations (Schedule II) |
P
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Paspalum dilatatum | Dallis grass | Plant | D-12-01 |
| Peach mosaic trichovirus (PMV) | Peach mosaic | Virus | |
| Peach rosette mosaic nepovirus (PRMV) | Peach rosette mosaic virus | Virus | D-97-06, D-94-34 |
| Peach wart agent | Peach wart | Virus | |
| Pear blister canker viroid (PBCVd) | Pear blister canker | Virus | |
| Pear bud drop agent | Pear bud drop | Unknown | |
| Pear rough bark agent | Pear rough bark | Virus | |
| Pear stony pit agent | Pear stony pit | Virus | |
| Peronospora hyoscyami f.sp. tabacina (Adam) Skalicky | Tobacco blue mold | Fungus | |
| Persicaria perfoliata | Devil's-tail tearthumb | Plant | D-12-01 |
| Phalaenoides glycinae Lewin | Grapevine moth | Insect | D-95-08 |
| Phloeotribus scarabaeoides Bern. | Olive bark beetle | Insect | D-08-04, D-01-12, D-02-12 |
| Phoma exigua var. foveata (Foister) Boerema | Potato gangrene | Fungus | D-98-01, D-96-05 |
| Phomopsis viticola (Sacc.) Sacc. | Deadarm disease of grapevine | Fungus | D-97-06, D-95-08, D-94-34 |
| Phytomyza gymnostoma Loew | Onion leaf miner, Allium leaf miner | Insect | D-08-04, D-94-26 |
| Phytophthora ramorum Werres et al. | Sudden oak death | Fungus | D-08-04, D-01-12, D-01-01, D-98-08, D-96-20, D-95-26, D-02-12 |
| Phytophthora spp. Except for: Phytophthora brassicae Phytophthora cactorum Phytophthora cambivora Phytophthora capsici Phytophthora cinnamomi Phytophthora citricola Phytophthora cryptogea Phytophthora drechsleri Phytophthora erythroseptica Phytophthora fragariae Phytophthora ilicis Phytophthora infestans Phytophthora lateralis Phytophthora medicaginis Phytophthora nicotianae Phytophthora pini Phytophthora plurivora Phytophthora rubi Phytophthora sojae Phytophthora syringae Phytophthora foliorum |
Phytophthora | Fungus | D-08-04, D-01-12, D-00-08, D-98-08, D-02-12 |
| Plum pox potyvirus (PPV) | Plum pox virus, sharka | Virus | D-08-04, D-99-07 |
| Plum rusty blotch | Plum rusty blotch | Unknown | |
| Polygraphus proximus Blandford | Sakhalin fir bark beetle | Insect | D-95-08, D-01-12, D-02-12 |
| Popillia japonica Newman | Japanese beetle | Insect | D-08-04, D-98-02, D-96-20, D-96-15, D-95-26, D-95-08, D-94-26, Plant Protection Regulations (Schedule II) |
| Potato deforming mosaic virus (PDMV) | Potato deforming mosaic virus | Virus | D-98-01, D-96-05 |
| Potato mop top virus (PMTV) | Potato mop top virus | Virus | D-98-01, D-96-05 |
| Potato spindle tuber viroid (PSTVd) | Potato spindle tuber viroid | Virus | D-98-01 |
| Potato virus T (PVT) | Potato virus T | Virus | D-98-01, D-96-05 |
| Potato virus U (PVU) | Potato virus U | Virus | D-98-01, D-96-05 |
| Potato virus V (PVV) | Potato virus V | Virus | D-98-01, D-96-05 |
| Potato virus YC (PVYC) | Potato virus YC | Virus | D-98-01, D-96-05 |
| Potato virus YN (PVYN) | Tobacco veinal necrosis strain of PVY | Virus | D-98-01, D-96-05, Plant Protection Regulations (Schedule II) |
| Potato virus YNTN (PVYNTN) | Potato virus YNTN | Virus | D-98-01, D-96-05 |
| Potato yellow vein virus (PYVV) | Potato yellow vein virus | Virus | D-98-01, D-96-05 |
| Potato yellowing virus (PYV) | Potato yellowing virus | Virus | D-98-01, D-96-05 |
| Proeulia spp. | Chilean fruit leaf folders | Insect | D-95-08 |
| Prune dwarf ilavirus (PDV) | Prune dwarf virus | Virus | |
| Prunus necrotic ringspot ilavirus (PNRSV) | Prunus necrotic ringspot virus | Virus | |
| Pseudomonas solanacearum, Race 3 E.F. Smith | Also called Ralstonia solanacearum, Race 3 | D-08-04, D-98-01, D-96-20 | |
| Pseudomonas syringae pv. aesculi | Horse chestnut bleeding disease | RMD-10-27 | |
| Pseudomonas syringae pv. cannabina (Sutic & Dowson) Young et al. | Bacteriosis of hemp | Bacteria | D-96-03 |
| Pseudoperonospora cannabina (G.H. Otth) Curzi | Downy mildew of hemp | Fungus | D-96-03 |
| Pseudopeziza tracheiphila Müller-Thurgau | Grapevine red fire disease | Fungus | D-97-06, D-94-34 |
| Puccinia coronata Corda | Crown rust of oats | Fungus | D-01-04, Plant Protection Regulations (Schedule I) |
| Puccinia graminis Pers. | Black stem rust of cereals | Fungus | D-01-04, Plant Protection Regulations (Schedule I) |
| Puccinia horiana Henn. | Chrysanthemum white rust | Fungus | D-08-04, D-97-05 |
| Pueraria montana (Lour.) Merr | Kudzu | Plant | D-12-01 |
Q
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Quadraspidiotus pyri Lichtenstein | Also called Diaspidiotus pyri | D-95-08 |
R
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Ralstonia solanacearum Race 3 (Smith) Yabuuchi et al. | Potato brown rot, bacterial wilt of potato | Bacteria | D-08-04, D-98-01, D-96-20, D-96-05, D-95-26 |
| Raspberry ringspot nepovirus (RRSV) | Raspberry ringspot virus | Virus | D-94-34 |
| Rhacodiella vitis Sterenberg | Also called Sclerotinia pseudotuberosa | D-97-06, D-94-34 | |
| Rhagoletis cerasi L. | European cherry fruit fly | Insect | D-95-08 |
| Rhagoletis mendax Curran | Blueberry maggot | Insect | D-08-04, D-02-04, D-96-20, D-95-08, Plant Protection Regulations (Schedule II) |
| Rhagoletis pomonella Walsh | Apple maggot | Insect | D-08-04, D-00-07, D-96-20, D-95-08, D-94-26, RMD-16-01, Plant Protection Regulations (Schedule II) |
| Rhamnus spp. | Buckthorn | Plant | D-01-04, Plant Protection Regulations (Schedule I) |
| Rosellinia necatrix Prill. | White root rot | Fungus | D-97-06, D-94-34 |
S
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Sclerotinia fructigena (Pers.) J. Schrot. | Also called Monilinia fructigena | D-95-08 | |
| Sclerotinia pseudotuberosa Rehm | Acorn rot, chestnut rot | Fungus | D-97-06, D-94-34 |
| Sclerotium cepivorum Berk. | White rot of onion | Fungus | D-08-04, D-01-02, D-00-04 |
| Senecio inaequidens | South African ragwort | Plant | D-12-01 |
| Senecio madagascariensis | Madagascar ragwort | Plant | D-12-01 |
| Sesamia cretica Lederer | Durra stem borer | Insect | D-96-08, D-95-28 |
| Sirex noctilio Fabricius | Sirex woodwasp, wood boring wasp | Insect | D-98-08, D-01-12, D-02-12 |
| Solanum elaeagnifolium | Silverleaf nightshade | Plant | D-12-01 |
| Spilonota albicana (Motschulsky) | Large apple fruit moth | Insect | D-95-08 |
| Spur cherry agent | Spur cherry, bing spur, cherry compact | Virus | |
| Strawberry latent ringspot nepovirus (SLRV) | Strawberry latent ringspot virus | Virus | D-94-34 |
| Striga spp. | Witchweed | Plant | D-98-06, D-12-01 |
| Synchytrium endobioticum (Schilb.) Percival | Potato wart | Fungus | D-12-02, D-08-04, D-03-09, D-01-02, D-98-01, D-96-20, D-96-05, D-95-26, D-94-34, D-94-26, D-94-25, Plant Protection Regulations (Schedule I & II) |
| Syndemis musculana (Hübner) | Insect | D-95-08 |
T
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Teia anartoides Walker | Also called Orgyia anartoides | D-95-08 | |
| Tetranychus truncatus Ehara | Spider mite | Mite | D-95-08 |
| Tetranychus viennensis Zacher | Also called Amphitetranychus viennensis | D-95-08 | |
| Tetropium castaneum L. | European spruce longhorn beetle | Insect | D-01-12, D-98-08, D-02-12 |
| Tetropium fuscum Fabricius | Brown spruce longhorn beetle | Insect | D-01-12, D-98-08, D-02-12 |
| Thaumatobia leucotreta (Meyrick) | False codling moth | Insect | D-10-01 |
| Theba pisana Mueller | White garden snail | Mollusc | D-12-02 |
| Thecaphora solani (Thirum & M.J. O'Brien) Mordue | Potato smut | Fungus | D-08-04 |
| Tilletia controversa J. G. Kühn | Dwarf bunt of wheat | Fungus | D-08-04, D-06-03, D-03-07, D-00-04, D-99-01, D-96-07 |
| Tilletia indica Mitra | Karnal bunt of wheat | Fungus | D-06-03, D-99-01, D-96-07 |
| Tobacco rattle virus | Tobacco rattle virus | Virus | D-98-01 |
| Tobacco ringspot nepovirus (TRSV) | Tobacco ringspot virus | Virus | D-97-06, D-94-34 |
| Tobacco ringspot virus, potato calico strain (TBRSV-CA) | Tobacco ringspot virus, potato calico strain | Virus | D-98-01, D-96-05 |
| Tomato black ring nepovirus (TBRV) | Tomato black ring virus | Virus | D-98-01, D-97-06, D-96-05, D-94-34 |
| Tomato black ring virus (beet ringspot strain) | Tomato black ring virus (beet ringspot strain) | Virus | D-98-01, D-96-05 |
| Tomato bushy stunt tombusvirus (TBSV) | Tomato bushy stunt virus | Virus | D-94-34 |
| Tomato ringspot nepovirus | Tomato ringspot virus | Virus | D-97-06, D-94-34 |
| Trichodorus spp. Cobb | Stubby root nematodes | Nematode | D-94-34, Plant Protection Regulations (Schedule II) |
| Trichoferus campestris Faldermann | Also called Hesperophanes campestris | D-01-12, D-98-08, D-02-12 | |
| Trogoderma granarium Everts | Khapra beetle | Insect | D-99-01 |
| Tuta absoluta (Meyrick, 1917) also Phthorimaea absoluta Meyrick, 1917 | Tomato leaf-miner, South American tomato moth | Insect | D-10-01 |
U
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Urocystis agropyri (Preuss) J. Schrot. | Flag smut of wheat | Fungus | D-06-03, D-99-01, D-96-07 |
V
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Venturia nashicola | Asian Pear scab | Fungus | D-95-08 |
| Viteus vitifoliae Fitch | Grape phylloxera | Insect | D-94-34 |
X
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Xanthomonas ampelina Panagopoulos | Also called Xylophilus ampelinus | D-97-06, D-94-34 | |
| Xanthomonas campestris pv. cannabis* Severin | Leaf spot of hemp | Bacteria | D-96-03 |
| Xanthomonas populi (Ridé) Ridé & Ridé | Bacterial canker | Bacteria | D-02-12, D-01-12, D-98-08 |
| Xiphinema spp. Cobb | Dagger nematodes | Nematode | D-94-34, Plant Protection Regulations (Schedule II) |
| Xylella fastidiosa Wells et al. | Pierce's disease, phony peach | Bacteria | D-97-06, D-94-34 |
| Xylophilus ampelinus (Panagopoulos) Willems et al. | Bacterial blight | Bacteria | D-97-06, D-94-34 |
Z
| Scientific name and authority | English common name | Pest type | Directive |
|---|---|---|---|
| Zygophyllum fabago | Syrian bean-caper | Plant | D-12-01 |
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