45.032 BF1511
Western Thyme Plume Merrifieldia tridactyla
(Linnaeus, 1758)
Wingspan c. 20mm.
This rather rare and local species is found mainly in the south-western counties and the Burren region of southern Ireland.
Flying mainly in June and July, it inhabits chalky or limestone districts.
The larvae feed on a number of species of wild thyme (Thymus spp.).