Recording method

Adult rests on trunks and fences and sometimes comes to light.  Larva and its feeding signs cannot be distinguished from Caloptilia robustella (not yet recorded in Dumfries & Galloway though present in N England and the Central Belt).

Life cycle

Larvae present July-October, first in a mine between two veins then in 2-3 successive cones, each rolled downwards from the tip of a lobe.  Adults fly May-July, August-September.

Larval foodplants

Oak species.

History

The first for Dumfries & Galloway was of larvae found at Langholm, Dumfriesshire, on 11th October 1952 by E. C. Pelham-Clinton, who found the first for Kirkcudbrightshire, also larvae, found at Caulkerbush on 12th October 1952, with the Wigtownshire first being found at The Forest during June 1989 by Arthur Ewing.