Diptera: Cecidomyiidae - gall midge Dasineura tiliae Photographs on Tilia cordata, Small-leaved Lime Hosts: Tilia cordata, platyphyllos, tomentosa, T. x vulgaris Margins of mature leaves rolled upwards. Single generation, larvae present May-June, whitish becoming orange when mature. Similar: Phytoptus tetratrichus causes narrow, downward rolls along margins. These are often hairy inside and contain mites

Dasineura tiliae
Upton Country Park, Dorset. September 2017. Larva: Kingston Lacy; May 2018