Wood boring insects (UK)

[kevinjo...@gmail.com]

I today discovered some residue on the trunk of my 6-year-old crab apple tree. When I inspected it further it was a clump of wood dust. 

I cleared this away to find a bore hole about 3-4mm in diameter. 

I am a little concerned as to what type of wood boring insect this might be and how much damage it could cause. If it turns out to be an isolated case fair enough but I worry whether my younger trees could also become affected.

Any help much appreciated, never experienced anything like this before. I'm in North Somerset, UK.

[Cider]

Have you considered exploratory feeding damage by a great spotted woodpecker? The existing lesions in the scar tissue may have seemed worth investigating by a bird? 

Andrew

Wittenham Hill Cider Page

www.cider.org.uk

On 5 Jun 2022, at 18:39, kevinjo...@gmail.com <kevinjo...@gmail.com> wrote:



I today discovered some residue on the trunk of my 6-year-old crab apple tree. When I inspected it further it was a clump of wood dust. 

I cleared this away to find a bore hole about 3-4mm in diameter. 

I am a little concerned as to what type of wood boring insect this might be and how much damage it could cause. If it turns out to be an isolated case fair enough but I worry whether my younger trees could also become affected.

Any help much appreciated, never experienced anything like this before. I'm in North Somerset, UK.

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[mannp...@gmail.com]

Poke around with a bit of wire. Is it a tunnel or just a hole? Sawdust says boring insect to me. 

[kevinjo...@gmail.com]

I had a poke around, wire went in about 15mm and then after fiddling around a bit went off at an angle for another 5mm.

Seems to stop after that. 

Wood-boring insects are not that common in the UK?