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Blog
Can you help us to understand the distribution of Gypsy Moth in Britain?
Expert entomologist Max Blake gives us an insight into the lifecycle of the gypsy moth and how you can help us monitor it's distribution.
Max Blake • 19 May 2018
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Blog
Host of the month - Spruce
For our final host of the month this year, Matt Parratt discusses Spruce (Picea species) and Great spruce bark beetle.
Matt Parratt • 18 Dec 2025
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Blog
Celebrating 12 years of Observatree
As January 2026 marks 12 years of Observatree, a tremendous milestone we're pleased to celebrate with our staff, volunteers & supporters, project manager Peter Crow reflects on some of its successes to date.
Peter Crow • 29 Jan 2026
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Blog
Host of the month - Birch
For this month Matt Parratt discusses birch (Betula species) and potential issues with Bronze birch borer.
Matt Parratt • 19 Feb 2026
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Blog
Host of the month - Oak
Oak is this months host tree of interest, and so Matt Parratt delves into the world of Acute oak decline (AOD) in this months blog post.
Matt Parratt • 19 Mar 2026
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Plane, Plane Lace Bug and Plane Wilt - September 2025
PDF • 1.73 MB
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Identifying bleeds on a tree part 2 - Pests and pathogens
Video • 00:14:55
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Sweet chestnut blight training video
Video • 00:08:59
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Resource Library
Webinars
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Acute oak decline management
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