Life cycle

Larvae: July-March, initially on the flowers then the larva bores down the stem into the rootstock where it overwinters.  Adults: May-August.

Larval foodplants

Sea Aster.

History

The first for Dumfries & Galloway was found at the Needles Eye, near Caulkerbush, Kirkcudbrightshire, when Sea Aster plants were taken on 27th December 1970 and the specimens bred on, emerging in July 1971, while the first for Dumfriesshire was found on Priestside Merse, Powfoot, on 16th July 2012.