Invasive Species of Union Concern
Click here to download the list of 114 Invasive Alien Species of Union concern.

See Frequently Asked Questions on the EU IAS Regulation issued by NPWS: https://www.npws.ie/sites/default/files/files/FAQ%20(Ireland).pdf
View the European Commission’s Invasive Alien Species Regulation website. A brochure on the first 88 Invasive Alien Species of Union concern is available to download just under the heading ‘Consolidated List of Invasive Alien Species of Union concern’.
EU risk assessments used to underpin decision making on regulation listing of species as Invasive Alien Species of Union concern can be accessed from: CIRCABC – Biblioteka (europa.eu)
View the interactive Invasive Alien Species portal on reporting under the EU regulation 1143/2014 for the reporting period 2015-2018 — Invasive Alien Species (europa.eu)
View the 2021 Commission report on the review of the application of the EU IAS Regulation.
Species recorded in Ireland and established
Click on image to access species profile information. If you spot any errors or have information that can add to the species profiles please let us know. E-mail: [email protected]




















Species recorded in Ireland in recent years but are not known to be established, many are casual/transient sightings






Species not recorded in Ireland
– Animals





![By D. Gordon E. Robertson (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons Virile Crayfish](https://invasives.ie/app/uploads/2021/09/VirileCrayfish_D.-Gordon-E.-Robertson_Own-work_CC-BY-SA-3.0-150x150.jpg)


![I, Duloup [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.5-2.0-1.0 (https://creativecommons.org/licenses/by-sa/2.5-2.0-1.0)], via Wikimedia Commons Red Swamp Crayfish](https://invasives.ie/app/uploads/2021/09/Procambarus_clarkii_Duloup_CC-BY-SA-3.0-150x150.jpg)


![By Petrtyl (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons Amur Sleeper](https://invasives.ie/app/uploads/2021/09/AmurSleeper_By-Petrtyl_Own-work_CC-BY-SA_3.0-150x150.jpg)




![By Melania (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons](https://invasives.ie/app/uploads/2021/09/Stone_moroko_Melania_Own-work_CC-BY-3.0-via-Wikimedia-Commons-150x150.jpg)



































![By Chung Bill Bill (http://www.flickr.com/photos/bilbill/8261170848/) [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons](https://invasives.ie/app/uploads/2022/09/Asian-mongoose-150x150.jpg)

-Plants


































