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Emerald ash borer contigency plan
External link
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Blog
Host of the month - Lawson cypress
This month Matt looks at at Lawson cypress (Cupressus lawsoniana) and its associated pathogen, Phytophthora lateralis.
Matt Parratt • 22 Jan 2025
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Pests and diseases
Pine Processionary Moth
Pine processionary moth caterpillars can rapidly strip pine trees of their needles. There are fears it’s heading to the UK.
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Pests and diseases
Elm Zigzag Sawfly
Elm zigzag sawfly larvae can defoliate whole elm trees leaving them vulnerable to further attack.
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Agrilus fleischeri - Forest Research
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Step 5 - Trunk and root collar signs and symptoms
Video • 00:12:18
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Step 1 - What tree?
Video • 00:12:15
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Tree health
Tree health
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Discovery of OCGW and Observatree's role
External link