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Pests and diseases

Agrilus fleischeri

Native to Asia, this beetle can infest poplar and willow trees with the beetles emerging from spring onwards.

Blog

Reflections on a February tree health conference

On two sunny spring days at Kew Gardens a conference with a rather sober topic took place: tree health early warning systems. 

Kate Lewthwaite  •  09 Mar 2016

Blog

Observatree Volunteers successes with Zoom

The first national lockdown in 2020 prevented the annual face to face training events for Observatree volunteers from taking place. As an alternative, a valuable series of technical webinars on pests and diseases, delivered by staff from across the Observatree partnership, were held instead. 

Richard Churchman & Paul Gill  •  02 Mar 2021

Blog

Host of the month - Birch

Matt Parratt, Observatree Scientific Coordinator, looks at birch (Betula species) and bronze birch borer.

Matt Parratt  •  26 Feb 2024

Blog

Volunteering to help our trees!

This Plant Health Week, Rebecca, our Observatree volunteer manager celebrates the achievements of our wonderful volunteers.

Rebecca Gosling  •  09 May 2022

Blog

Host of the month - Maple

This month Matt Parratt looks at Maples (Sapindaceae family), Asian longhorn beetle and Citrus longhorn beetle. 

Matt Parratt  •  19 Sep 2024

Pests and diseases

Phytophthora lateralis

Discovered in the UK in 2010, Phytophthora lateralis is a fungus-like plant pathogen that attacks the roots of Lawson cypress trees.

Blog

British cedars under attack?

Recently, cedars have been considered as an alternative forestry species, learn about how Sirococcus tsugae threatens this species.

Ana Perez-Sierra  •  16 Feb 2016

Blog

Host of the month - Maples

Matt Parratt, Observatree Scientific Coordinator, looks at Asian and Citrus longhorn beetles.

Matt Parratt  •  26 Sep 2023

Blog

Host of the month - Plane

Matt Parratt, Observatree Scientific Coordinator, highlights plane, plane lace bug and plane wilt.

Matt Parratt  •  29 Aug 2023