11. Stigmella aceris (Frey, 1857)

(Figs 22, 69)

Host-plants. Acer campestre L. and A. tataricum L. in the Crimea; in other regions also other species of Acer.

Type of distribution (chorological group). Euro-Submediterranean; the species occurs from Spain and Great Britain to Estonia, central European Russia, Greece, and Asia Minor.

Material examined. CRIMEA: 20 km SW Feodosiya, Karadag Reserve, empty leaf-mines and larvae on A. campestre L., fieldwork card no. 4972, 12 –26.viii.2009, leg. A. Remeikis & J.R. Stonis; the same locality, empty leaf-mines on Acer campestre L. and Acer tataricum L., fieldwork card no. 5028, 13 –14.vii.2011, leg. A. Diškus & A. Navickaitė; 12 km Sudak, Sonyachna Dolyna, empty leaf-mines and larva on Acer campestre L. and Acer tataricum L., fieldwork card no. 5028, 17.vii.2011, leg. A. Diškus & A. Navickaitė; Yalta, Mys Martian, empty leaf-mines on Acer campestre L., fieldwork card no. 5028, 18.vii.2011, leg. A. Diškus & A. Navickaitė; 1♂, Yalta Mountain Forest Reserve, mining larva on Acer campestre L., fieldwork card no. 5028, 19.vii.2011, leg. A. Diškus & A. Navickaitė, genitalia slide no. AN 477♂; 23 km S Simferopol, Pereval'ne, empty leaf-mines on Acer campestre L., fieldwork card no. 5028, 21.vii.2011, leg. A. Diškus & A. Navickaitė; 12 km N Alushta, Lavanda, empty leaf-mines on Acer campestre L., fieldwork card no. 5028, 09.viii.2011, leg. J. R. Stonis, A. Navickaitė & G. Varači nskas.

Remarks. The species is very common in the Crimea: very widespread and very abundant.