EPPO A1 List of pests recommended for regulation as quarantine pests
- version 2024-09 –
EPPO recommends its member countries to regulate the pests listed below as quarantine pests (A1 pests are absent from the EPPO region). The EPPO A1 List is reviewed every year by the Working Party on Phytosanitary Regulations and approved by Council.
In the tables below, click on the links to access pest-specific information stored in EPPO Global Database (geographical distributions, host plants, pictures, data sheets, PRAs, diagnostic protocols and other EPPO Standards).
Bacteria & phytoplasmas | Fungi | Viruses | Insects | Nematodes | Gastropoda | Plants
Bacteria and phytoplasmas (links to the EPPO Global Database) |
Acidovorax citrulli |
'Candidatus Liberibacter solanacearum' (Solanaceae haplotypes) and its vector Bactericera cockerelli |
'Candidatus Phytoplasma americanum' (Potato purple-top wilt) |
'Candidatus Phytoplasma phoenicium (Almond witches' broom) |
'Candidatus Phytoplasma pruni' (Western X disease) |
'Candidatus Phytoplasma ulmi' (Elm phloem necrosis – transmitted by Scaphoideus luteolus) |
Citrus huanglongbing (citrus greening) and its vectors Diaphorina citri (A1) and Trioza erytreae (now A2) 'Ca. Liberibacter africanus' 'Ca. Liberibacter americanus' 'Ca. Liberibacter asiaticus' |
Coconut lethal yellowing phytoplasma |
Peach rosette phytoplasma |
Peach yellows phytoplasma |
Ralstonia syzygii |
Xanthomonas citri subsp. citri and Xanthomonas citri subsp. aurantifolii |
Xanthomonas euvesicatoria pv. allii |
Xanthomonas oryzae pv. oryzae |
Xanthomonas oryzae pv. oryzicola |
Gastropoda |
Pomacea canalicutata |
Plants |
Arceuthobium spp. (non-European) – parasitic plants: |
Cortaderia jubata |
Lygodium japonicum |
Triadica sebifera |