Brown Hairstreak

Thecla betulae

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Stiallach Donn [IRL]

Thécla du bouleau [F]

Nierenfleck [D]

Distribution Map (dark areas indicate presence) and Flight Times of this species - \nNB See General Information page for accuracy information
photo

Wood edges.

Only in Burren and surrounding region.

Blackthorn.

38-42mm (1.50 inches)
[Small Tortoiseshell 50mm]

This butterfly is very rare, found only within the Burren and neighbouring counties. It has dark brown wings , the female having an orange patch on each hindwing.
It is quite difficult to see as it usually frequents the tops of trees and shrubs, usually blackthorn.