Family: Geometridae Sub-family: Larentiinae
Flight time: Usually two generations, May-September
Found in range of habitats but prefers well-drained open areas including grasslands, dunes, gardens, quarries.
Larval food plant: St. John's wort (Hypericum spp.)
Treble-bar, Aplocera plagiata
Ballingeary, Co. Cork, SW Ireland. October 2010 and September 2011