Recording method

Overwinters as an adult in evergreen trees such as Yew.  Comes to light.

Life cycle

Larvae present June-July, August-September, first in a tiny mine in the angle between veins, later in three successive cones, each rolled downwards at the tip of a lobe.  Adults present June-August, September-May.

Larval foodplants

Sycamore.  Occasionally, Field Maple or Silver Maple (Acer saccharinum).

History

The first for Dumfries & Galloway was published in Stephens (1834) with the Rev. William Little recording it at Raehills, Dumfriesshire, while the first for Kirkcudbrightshire was found at an unknown site between 1979-94 by M. J. Sterling. No records from Wigtownshire.