Recording method

Comes to light.

Life cycle

Larvae: September- April, first eating the seeds and then boring into the stem and eating the pith. Hibernates in the stem.  Adults: May-August.

Larval foodplants

Thistles.

History

The first for Dumfries & Galloway was found at Closeburn, Dumfriesshire, on 26th June 1943 by F. W. Smith, while the first for Kirkcudbrightshire was found in Southwick Burn Wood on 9th July 1996, with the Wigtownshire first being found in The Forest in late June 1989 by E. F. Hancock.