The Plant Health (Forestry) (Amendment) (England and Scotland) Order 2018. Comes into force 1st November. This Order amends the Plant Health (Forestry) Order 2005 (S.I. 2005/2517) to (a)implement Commission Implementing Decision (EU) 2017/2352 amending Implementing Decision (EU) 2015/789 as regards measures to prevent the introduction into and spread within the Union of Xylella fastidiosa (Wells et al.) (b)introduce emergency measures to prevent the introduction of Thaumetopoea processiona L. (the Oak Processionary Moth) into the area in England and Scotland which is recognised as a protected zone for this harmful plant pest; (c)amend various references to EU instruments that are out of date.