Species Detail - Brown Hairstreak (Thecla betulae) - Species information displayed is based on the dataset "Butterflies of Ireland post 2021".

Terrestrial Map - 10km

Distribution of the number of records recorded within each 10km grid square (ITM).
Live Map

Marine Map - 50km

Distribution of the number of records recorded within each 50km grid square (WGS84).
Live Map

Species image

Thecla betulae
Thecla betulae
Brown Hairstreak
N/A
N/A
thbet
(Linnaeus, 1758)
insect - butterfly
Species
18
7
4
13/01/2022
02/09/2023
1 January (recorded in 2021)
31 December (recorded in 2021)
National Biodiversity Data Centre, Butterflies of Ireland post 2021, National Biodiversity Data Centre, Ireland, Brown Hairstreak (Thecla betulae), accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/364/Species/77372>

Records per month (across all datasets)

National Biodiversity Data Centre, Ireland, Brown Hairstreak (Thecla betulae), image, accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/364/Species/77372>

Records per year (across all datasets)

National Biodiversity Data Centre, Ireland, Brown Hairstreak (Thecla betulae), image, accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/364/Species/77372>