Search Observatree

Video

Winter Webinar - Introducing the International Plant Sentinel Network

An introduction to the IPSN, their core activities and monitoring programmes, highlighting the similarities between their initiatives and Observatree volunteer activities. Recorded on 20th March 2024.

00:39:54

Blog

Defining Tree Health

Matt Parratt offers an explanation of how to define tree health in the context of Observatree. 

Matt Parratt  •  21 Nov 2024

Blog

Host of the month - Birch

This month Matt Parratt takes a look at Birch trees (Betula species) and their associated bronze birch borer.

Matt Parratt  •  20 Feb 2025

Pests and diseases

Phytophthora austrocedri

First found in the UK in 2011, Phytophthora austrocedri is a fungus-like plant pathogen that can infect and kill juniper.

Pests and diseases

Red-necked Longhorn Beetle

The red-necked longhorn beetle larvae tunnel and feed under the bark of trees in the Prunus genus, such as cherries and plums.

Pests and diseases

Oak Lace Bug

The oak lace bug is a sap feeding insect, feeding on the underside of oak leaves causing them to lose their green colour. This can reduce growth and weaken the tree.

Pests and diseases

Bronze Birch Borer

Native to North America, this wood boring bupestrid beetle is a serious pest to birch trees.

Blog

On the Road with Observatree: Summer Training Highlights

Following a wonderful summer season of training, Vicky Bolton, the Citizen Science Officer for Observatree, summarises some of the highlights for us. 

Vicky Bolton  •  14 Aug 2025