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Blog

Observatree II: Thoughts from Nicola Spence, Chief Plant Health Officer, Defra

Welcome to Observatree II! Read thoughts from DEFRA's Chief Plant Health Officer, Nicola Spence, as the project moves forwards.

Professor Nicola Spence  •  25 Oct 2018

Blog

A world without males: How the elm zigzag sawfly is benefiting from their absence

Expert entomologist Max Blake gives us an insight into the lifecycle of the elm zigzag sawfly.

Max Blake  •  08 Jul 2018

Blog

Out with the old and in with the new: Welcome to Observatree

In 2017, Observatree produced more educational resources, ran successful media campaigns, trained stakeholders and volunteers across the county, attended events, held a volunteer celebration event and hosted a conference.

Peter Crow  •  07 Jan 2018

Blog

Simulating a longhorn beetle outbreak

Find out about the creation of the longhorn beetle outbreak training trees, based at the Yorkshire Arboretum.

Ellie Barham  •  14 Feb 2017

Blog

Observatree volunteers help the Woodland Trust manage OPM

Over the course of 2021, many of our invaluable citizen scientists have continued their surveillance of Woodland Trust sites for Oak Processionary Moth (OPM).

Rebecca Gosling  •  24 Nov 2021

Video

Volunteer Recruitment Webinar - December 2021

Recording of the webinar delivered to those interested in becoming Observatree volunteers in December 2021

00:58:53