Life cycle

Larvae: September-June on the pith in the centre of a seed-head.  Adults: May-September.

Larval foodplants

The pith in the centre of a Teasel seed-head.

History

The first record for Dumfries and Galloway was of three larvae which later hatched from Teasel heads found on 15 May 2019 at Barsalloch Point, Wigtownshire.