A leaf-mining moth?

A leaf-mining moth?

Observation - A leaf-mining moth? - UK and Ireland. Description: The Hazels in the woodland seem to have acquired whitish spots on their leaves. Having searched iSpot I think it might be a leaf-mining moth. Will it do the trees any harm?

The Hazels in the woodland seem to have acquired whitish spots on their leaves. Having searched iSpot I think it might be a leaf-mining moth. Will it do the trees any harm?