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Resource Library

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  • Field Identification Guides
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    Pest & Disease Resources

  • Curreya pithyophila - Observatree Information Note

    PDF  •  1.49 MB

  • Nidularia pulvinata - Observatree Information Note

    PDF  •  621 KB

  • Asian longhorn beetle - Forest Research

    External link

  • Agrilus fleischeri - Forest Research

    External link

  • Agrilus fleischeri - European and Mediterranean Plant Protection Organisation Summary

    External link

  • Pest and disease calendar

    PDF  •  1.36 MB

  • Signs and Symptoms

  • Acute oak decline symptoms

    Video  •  00:02:57

  • Chalara dieback of ash - Spring symptoms

    Video  •  00:02:28

  • Chalara dieback of ash - winter symptoms

    Video  •  00:01:35

  • Chalara fieback of ash - field identification

    Video  •  00:02:09

  • Chalara dieback of ash - Life cycle and symptoms

    Video  •  00:04:50

  • Sweet chestnut blight symptoms factsheet

    External link

  • Signs and symptoms of the emerald ash borer

    External link

  • Oak processionary moth ID information

    External link

  • Phytophthora lateralis factsheet

    External link

  • Oak lace bug on a leaf

    Video  •  00:00:35

  • Citrus longhorn beetle - Short video

    Video  •  00:02:56

  • Citrus longhorn beetle - Short video for trade

    Video  •  00:04:07

  • Distribution

  • Chalara dieback of ash distirbution map

    External link

  • Distribution of acute oak decline

    External link

  • Sweet chestnut blight - Spread in Europe

    External link

  • Red-necked longhorn beetle - Biology, distribution and control factsheet

    External link

  • Plane wilt worldwide distribution map

    External link

  • Emerald ash borer distribution

    External link

  • Phytophthora lateralis - Worldwide distribution map

    External link

  • Oak processionary moth interactive distribution map

    External link

  • Management

  • Phytophthora austrocedri management guidelines

    External link

  • Acute oak decline management

    External link

  • Chalara management guide

    External link

  • Great spruce bark beetle management

    External link

  • Oak processionary moth - Forest Research manual

    External link

  • Minimising the impact of GSBB

    External link

  • Oak processionary moth - Government webpage

    External link

  • Oak processionary moth resource hub

    External link

  • Pest Alerts

  • Chalara dieback of ash - Pest alert

    External link

  • Emerald ash borer - Pest alert

    External link

  • Phytophthora austrocedri - Pest alert

    External link

  • Pine processionary moth - Pest alert

    External link

  • Plane wilt - Pest alert

    External link

  • Research

  • Asian longhorn beetle 2012 Outbreak information

    External link

  • Impact of horse chestnut leaf miner

    External link

  • Dothistroma Needle Blight - Determining invasiveness and risk

    External link

  • Chalara screening for resistence trials

    External link

  • UK Plant Health Risk Register

  • Citrus longhorn beetle plant pest factsheet

    External link

  • Sweet chestnut blight - Rapid pest risk analysis

    External link

  • Sirococcus tsugae - Rapid pest risk analysis

    External link

  • Elm zigzag sawfly - Rapid pest risk analysis

    External link

  • Emerald ash borer contigency plan

    External link

  • Pine processionary moth contingency plan

    External link

  • UK Risk Register entry for Bronze Birch Borer

    External link

  • Sweet chestnut blight contingency plan

    External link

  • Agrilus fleischeri - UK risk register entry

    External link

  • Detailed Information

  • Acute oak decline detailed information

    External link

  • Asian longhorn beetle detailed information

    External link

  • Beech leaf disease detailed information

    External link

  • Bronze birch borer detailed information

    External link

  • Ash Dieback detailed information

    External link

  • Citrus longhorn beetle detailed information

    External link

  • Dothistroma needle blight detailed information

    External link

  • Elm zigzag sawfly detailed information

    External link

  • Emerald ash borer detailed information

    External link

  • Great spruce bark beetle detailed information

    External link

  • Horse chestnut leaf miner detailed information

    External link

  • Mountain ash ringspot detailed information

    External link

  • Oak lace bug detailed information

    External link

  • Oak processionary moth detailed information

    External link

  • Oriental chestnut gall wasp detailed information

    External link

  • Phytophthora austrocedri detailed information

    External link

  • Phytophthora lateralis detailed information

    External link

  • Pine processionary moth detailed information

    External link

  • Plane lace bug detailed information

    External link

  • Plane wilt detailed information

    External link

  • Red-necked longhorn beetle detailed information

    External link

  • Sirococcus tsugae detailed information

    External link

  • Sweet chestnut blight detailed information

    External link

  • Miscellaneous

  • Chalara dieback of ash - Animation from RBG Edinburgh

    Video  •  00:02:36

  • Discovery of OCGW and Observatree's role

    External link

  • Health effects of oak processionary moth

    External link

  • Identifying squirrel damage

    PDF  •  3.67 MB

  • Little things big problems – Emerald ash borer

    Video  •  00:05:48

  • Mountain ash ringspot - diagram of associated virus

    External link

  • OPM - Medical advice from NHS about irritation caused

    External link

  • Sweet chestnut blight - Import and movement controls

    External link

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Previously 50% funded by the EU's LIFE+ Programme (2013 - 2017)