Species Detail - Birch Straw (Thyraylia nana) - Species information displayed is based on all datasets.

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
Thyraylia nana
Birch Straw
NHMSYS0021560567 RecommendedWell-formed
N/A
thnan
(Haworth, 1811)
Insect - moth
Species
124
55
36
01/01/1889
22/06/2023
7 May (recorded in 2011)
18 August (recorded in 1968)
National Biodiversity Data Centre, Ireland, Birch Straw (Thyraylia nana), accessed 13 June 2025, <https://maps.biodiversityireland.ie/Species/309982>

Records per month (across all datasets)

Records per year (across all datasets)