The control of harmful organisms within the Community is an important part of the Community plant health regime. The harmful organisms which may be targeted by specific control measures are either:
- Harmful organisms listed in Annexes I and II (Part A, Section I) to Directive 2000/29/EC which are found within the Community for the first time; or
- Harmful organisms listed in Annexes I and II (Part A, Section II) to Directive 2000/29/EC which are found in Member States' territory where their presence was previously unknown; or
- Other harmful organisms previously unknown to occur in the Community, which are not listed specifically in Directive 2000/29/EC but which are of potential economic importance.
Member States have an obligation to notify the Commission and other Member States of the presence within their territory of these harmful organisms and are obliged to take measures to eradicate or, if this is not possible, prevent the spread of the harmful organism concerned.
Where a Member State considers there is an imminent danger of introduction or spread of a harmful organism, it should notify the Commission and other Member States of the measures it would like to see taken and may temporarily take additional measures. Where the danger comes from consignments of plants, plant products or other objects originating in third countries, the Member State must immediately take action to protect the territory of the Community from that danger, and inform the Commission and other Member States thereof. Temporary (emergency) measures may be taken by the Community in these cases.
The Commission has an obligation to examine the situation as soon as possible (through the Standing Committee on Plant Health) and Community control measures may be adopted.
Legislation
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Emergency measures
Emergency measures against Thrips palmi as regards Thailand : Commission Decision 98/109/EC
Emergency measures against Phytophthora ramorum : Commission Decision 2002/757/EC as amended.
Emergency measures against Diabrotica virgifera : Commission Decision 2003/766/EC as amended.- Containment programmes against Diabrotica virgifera : Commission recommendation 2006/565/EC
- Towards a long-term EU strategy against Diabrotica virgifera virgifera
Emergency measures against Pepino mosaic virus : Commission Decision 2004/200/EC
Emergency measures against Pinewood nematode : Commission Decision 2006/133/EC as last amended by Decision 2009/993/EU
- COM list of PT authorised facilities for wood treatment - 26 March 2012
- Impact assessment study for banning or not banning the movement of susceptible wood products from Portugal for stopping the spread of pine wood nematode
- Report of the International Seminar on control strategies for pinewood nematode in Portugal
- Roadmap for a renewned strategy
Emergency measures against Dryocosmus kuriphilus Yasumatsu : Commission Decision 2006/464/EC
Emergency measures against red palm weevil (Rhynchophorus ferrugineus) : Commission Decision 2007/365/EC
, as amended.

International conference on red palm weevil ( Valencia, 4-6 May 2010)
Brochure "The insect killing our palm trees - EU efforts to stop the Red Palm Weevil"
Emergency measures against Potato spindle tuber viroid : Commission Decision 2007/410/EC
Emergency measures against Gibberella circinata : Commission Decision 2007/433/EC
Emergency measures against Anoplophora chinensis (Forster): Commission Decision 2008/840 as amended by Commission Decision 2010/380/EC
The register of places of production in China
established by the national plant protection organisation of China as free from Anoplophora chinensis (Forster)
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Emergency measures for import
Emergency measures against Pseudomonas solanacearum (Smith) Smith as regards Egypt: Commission Decision 2004/4/EC as amended.
Emergency measures in respect of certain citrus fruits originating in Brazil: Commission Decision 2004/416/EC as amended.