Holm Oak leaf mines - brown blotches

Holm Oak leaf mines - brown blotches

Observation - Holm Oak leaf mines - brown blotches. Description: Brown blotches in the upper surface of Holm Oak leaves. The mine also shows as a less obvious pale patch on the underside of the leaf.

Brown blotches in the upper surface of Holm Oak leaves. The mine also shows as a less obvious pale patch on the underside of the leaf.