Diptera: Cecidomyiidae - gall midge Dasineura thomasiana Gall on Tilia, Lime Hosts: Tila cordata, platyphyllos, tomentosa Young terminal leaves are rolled and distorted, the veins thickened. The larvae are initially white, becoming orange-red when mature. Pupation occurs in the soil

Dasineura thomasiana
Wimborne, Dorset. June 2018