Burren Green Calamia tridens - 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.

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73.116 BF2366

Burren Green Calamia tridens

(Hufnagel, 1766)

Wingspan 37-42 mm.

An intriguing species, totally different in appearance to its close relatives, and in the British Isles, restricted to a small area in Co. Clare, Ireland known as the Burren, where it was discovered in 1949.

Abroad it occurs throughout temperate Europe.

The adult moths fly in July and August and can be attracted by light. The exact foodplant in the wild is not certain, but is suspected to be blue moor-grass (Sesleria caerulea).

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