Antispila treitschkiella, invasion in the UK and herbarium specimens. 66 Leafmines of on Cornus mas at London, Hyde Park Corner, 22.ix.2016. 67 Leafmines on C. mas at London, Temple, Victoria Embankment, 28.ix.2016. 68 Herbarium specimen, RBG Kew, Verdcourt 4160, 22.viii.1964, from Mt. Pelion, Greece: C. mas with mines of A. treitschkiella 69 Detail of 68 70 Herbarium specimen, RBG Kew, Schneider 1681, 28.viii.1907, from Rila Mt., near Samakov, Bulgaria, C. mas with mines of A. treitschkiella. Photos David Lees.