Species Detail - Brown Hairstreak (Thecla betulae) - Species information displayed is based on the dataset "Irish Butterfly Monitoring Scheme".
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84).Species image
_0.jpg)
Thecla betulae
Brown Hairstreak
NHMSYS0000504486
RecommendedWell-formed
N/A
thbet
(Linnaeus, 1758)
Insect - butterfly
Species
46
7
4
29/07/2010
08/09/2019
1 January (recorded in 2021)
31 December (recorded in 2021)
National Biodiversity Data Centre, Irish Butterfly Monitoring Scheme, National Biodiversity Data Centre, Ireland, Brown Hairstreak (Thecla betulae), accessed 23 December 2025, https://maps.biodiversityireland.ie/Dataset/316/Species/77372