42 * Ectoedemia septembrellaMine on St. John's-wort, Hypericum July 2011. Adult ex-mine Aug 2011
Flight time: May-June and August
Food plants: St. John's-wort's (Hypericum spp.)
Mine: July and October-December
The egg is laid on the underside of the leaf. A narrow, winding corridor with broad, linear frass leads to a +/- inflated blotch.
Ectoedemia septembrella on St. John's-wort (Hypericum)
Ballingeary, Co. Cork, SW Ireland. Mines: July 2011. Adult ex-mine August 2011