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Blog
TreeAlert Demystified: What happens when you submit a report?
A question that the Tree Health Diagnostic and Advisory Service team are often asked is, ‘What happens when I send in a TreeAlert enquiry, how does it all work?’ Here, Chris Berman, entomology diagnostician at Forest Research, pulls back the curtain on what goes on behind the scenes!
Chris Berman • 23 Jan 2025
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Blog
Host of the month - Elm
For this month's host tree of interest, Matt Parratt focusses on Elm (Ulmus species) and Elm zigzag sawfly (Aproceros leucopoda).
Matt Parratt • 15 May 2025
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Blog
It’s full steam ahead for Observatree in 2022
Observatree has now been in operation for eight years; and during that time, our volunteers have submitted over 13,500 reports.
Peter Crow • 21 Feb 2022
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Blog
Host of the month - Pine
Observatree Scientific Coordinator Matt Parratt discusses Pines (Pinus) and Dothistroma needle blight (DNB).
Matt Parratt • 09 Jul 2025
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Blog
No sting in this tale
Find out about how Observatree volunteer, Amanda, made a big difference to the UK's oriental chestnut gall wasp outbreak response.
Amanda Yorweth • 23 Jul 2015
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Blog
Oriental chestnut gall wasp – an update
What has happened with OCGW in the UK since it was first found in 2015?
Chris Malumphy • 27 Jun 2018
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Blog
Oak powdery mildew – update on what’s all the fuss about?
Charles Lane gives us an update on what all the fuss is about when it comes to Oak Powdery Mildew.
Charles Lane • 22 Sep 2025
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Blog
Canker Stain of Plane
A summary of the damage caused by Canker Stain of Plane.
Alex Lewis • 01 May 2024
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Blog
Host of the month - Sweet chestnut
Matt Parratt takes a look at Sweet chestnuts, and explains their issues with Oriental chestnut gall wasp, and Sweet chestnut blight.
Matt Parratt • 16 Oct 2025
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Blog
On the Road with Observatree: Science Day Highlights
Ever wondered what happens after you submit a TreeAlert report? This Autumn at our Science Day events, our volunteers got an exclusive peek behind the scenes - and the discoveries were fascinating! Vicky Bolton, the Citizen Science Officer for Observatree, summarises the highlights for us.
Vicky Bolton • 13 Nov 2025