HOW CAN YOU HELP?

While you are out and about, keep your eyes open for signs of three key pests and diseases, which are threatening some of the UK’S most iconic tree species.

†CHALARA ASH DIEBACK Affects: ash trees First UK recording: 2012

†SIROCOCCUS BLIGHT OF CEDAR Affects: cedar First UK recording: 2014

†ORIENTAL CHESTNUT GALL WASP Affects: sweet chestnut First UK recording: 2015