Phyllonorycter trojana Deschka, 1982

Lepidoptera, Gracillariidae

Phyllonorycter trojana mine

Quercus trojana; from A & Z Laštuvka (2007a)

mine

Small lower-surface tentiform mine with one strong fold; 9-20 mm lang. The roof is mostly completely eaten out. Cocoon in the mine; frass lies around it in horse-shoe shape.

hostplants

Fagceae, narrowly monophagous

Quercus trojana.

phenology

Larvae mine in autumn, perhaps also in winter.

distribution within Europe

Montenegro, Macedonia, Greece.

pupa

Tergites of abd. 2-4 with a pair of strong, outwards pointing spines. Retinaculum with two pairs of thorns. The inner pair is triangular, directed rearwards, and medially fused. The outer pair is much longer, slender, and bent outwards. Some details of the pupa remind of Ph. quercifoliella.

references

Deschka (1982a), A & Z Laštuvka (2007a).

1.x.2009

mod 18.vii.2017