Phyllonorycter olympica Deschka, 1983
Lower-surface tentiform mine with one strong fold. Most frass lies alongside the cocoon. The roof of the mine is completely eaten out, no green centre is remaining.
Fagaceae, narrowly monophagous
Larvae found in April.
distribution within Europe
Abd. 2-4 dorsolaterally with a pair of strong, outwards directed spines, like in Ph. muelleriella. Cremaster with two pairs of spines, the inner pair with their apices pointing inwards, the outer pair, somewhat stronger than the inner, with their apices pointing outwards.
Deschka found the mines on seedlings growing deep in rock crevices and shallow caves.
Deschka (1983a), A & Z Laštuvka (2007a).