Hazard identification is used to identify new non-native species threats. In GB it is provided by horizon scanning undertaken by the Defra funded Non-native Species Information Portal project.
Latest horizon scanning results
A horizon scanning exercise conducted in 2019 identified the top 30 non-native species likely to become invasive in Britain over the next ten years:
- Aedes albopictus, Tiger mosquito
- Aedes japonicus, Asian bush mosquito
- Agrilus plannipennis, Emerald ash borer
- Ambrosia trifida, Giant ragweed
- Anoplophora chinensis, Citrus long-horned beetle
- Anoplophora glabripennis, Asian longhorn beetle
- Asterias amurensis, Northern Pacific seastar
- Baccharis halimifolia, Sea mrytle
- Bellamya chinensis, Chinese mystery snail
- Celtodoryx ciocalyptoides, Sponge
- Cephalothrix simula, Nemertean worm (no common name)
- Corbicula fluminalis, Clam
- Gyrodactylus salaris, Salmon fluke
- Halyomorpha halys, Brown marmorated stink bug
- Hemigrapsus sanguineus, Asian shore crab
- Homarus americanus, American lobster
- Ips typographus, European spruce bark beetle
- Mnemiopsis leidyi, Comb jelly
- Mulinia lateralis, Dwarf surf clam
- Myriophyllum heterophyllum, Twoleaf water milfoil
- Neogobius melanostomus, Round goby
- Nyctereutes procyonoides, Raccoon dog
- Ocinebrellus inornatus, Japanese oyster drill
- Procambarus fallax, Marbled crayfish
- Procyon lotor, Raccoon
- Psittacula eupatria, Alexandrine parakeet
- Sicyos angulatus Oneseed, bur cucumber
- Tamias sibiricu, Siberian chipmunk
- Thaumetopoea pityocampa, Pine processionary moth
- Vespa velutina, Asian hornet
Further information
- Read the horizon scanning short report (PDF).
- Watch a webinar with Professor Helen Roy on the results of this exercise:
This list built on a previous horizon scanning exercise conducted in 2014 (external link) and two previous reports that helped to identify longer lists of horizon scanning: