The current list of EU quarantine pests can be found in the "Commission Implementing Regulation (EU) 2019/2072 of 28 November 2019 establishing uniform conditions for the implementation of Regulation (EU) 2016/2031 of the European Parliament and the Council, as regards protective measures against pests of plants, and repealing Commission Regulation (EC) No 690/2008 and amending Commission Implementing Regulation (EU) 2018/2019".

Prior the implementation of the new Plant Health Law, Regulation (EU) 2016/2031, a list of 20 priority pests was released on the 1^st of August 2019 : "Commission Delegated Regulation (EU) 2019/1702 of 1 August 2019 supplementing Regulation (EU) 2016/2031 of the European Parliament and of the Council by establishing the list of priority pests".

More information:  https://ec.europa.eu/food/plant/plant_health_biosecurity/legislation/new_eu_rules_en