Noctuidae

73.116 Burren Green Calamia tridens tridens (Hufnagel, 1766)

Immigrant

Calamia tridens occidentalis Cockayne, 1954

Ireland

Similar species: This moth is unlikely to be mistaken for any other British or Irish species.

Forewing: 17 to 18mm

Habitats: Open grassland and limestone pavement.

Habits: The moth flies from dusk and comes to light.

Foodplant: The larva feeds in the stems and root of Blue Moor-grass. In captivity it will accept Annual Meadow-grass and Cock's-foot. It pupates amongst the roots of its foodplant.

On the European mainland it has been recorded on Purple Moor-grass, Sheep's Fescue and bromes.