Species Detail - Birch Straw (Thyraylia nana) - Species information displayed is based on the dataset "Microlepidoptera collections (National Museum of Ireland)".

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
1
1
1
29/05/1914
29/05/1914
7 May (recorded in 2011)
18 August (recorded in 1968)
National Museum of Ireland, Microlepidoptera collections (National Museum of Ireland), National Biodiversity Data Centre, Ireland, Birch Straw (Thyraylia nana), accessed 13 June 2025, <https://maps.biodiversityireland.ie/Dataset/51/Species/309982>

Records per month (across all datasets)

Records per year (across all datasets)