horse-chestnut leaf miner - <a href="https://en.wikipedia.org/wiki/Cameraria_ohridella" class="extiw" title="w:Cameraria ohridella">Cameraria ohridella</a> © Carlos Lopez-Vaamonde, David Agassiz, Sylvie Augustin, Jurate De Prins, Willy De Prins, Stanislav Gomboc, Povilas Ivinskis, Ole Karsholt, Athanasios Koutroumpas, Fotini Koutroumpa, Zdeněk Laštůvka, Eduardo Marabuto, Elisenda Olivella, Lukasz Przybylowicz, Alain Roques, Nils Ryrholm, Hana Sefrova, Peter Sima, Ian Sims, Sergey Sinev, Bjarne Skulev, Rumen Tomov, Alberto Zilli, David Lees - CC BY 3.0 - Wikimedia Commons