Gracillaria syringella

Found some old vacated mines of Gracillaria syringella on a 6 foot tall ash seedling on the road down into Millbank this morning. Checked for any pupa on the leaves or still in the mines but no joy. This is a species I have found in the past as an imago in my moth trap but only ever found the mines on ash seedlings despite it being recorded on privet (Ligustrum) and lilac (Syringa)