Western Thyme Plume Merrifieldia tridactyla - Distribution map
Please note that the NBN Gateway map service has been terminated as of 1 April 2017.
As soon as a replacement map service is available, distribution maps will hopefully appear here again.
In the meantime, you can get some idea of distribution from the NBN Atlas website.
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.).