Species Detail - Iron Blue Mayfly (Baetis muticus) - Species information displayed is based on the dataset "A national macroinvertebrate dataset collected for the biomonitoring of Ireland’s river network, 2007–2018 (EPA)".

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
Baetis muticus
Iron Blue Mayfly
NBNSYS0000010867 RecommendedWell-formed
N/A
bamut
(Linnaeus, 1758)
Insect - mayfly (Ephemeroptera)
Species
1460
407
80
23/09/2008
16/10/2018
11 February (recorded in 2010)
27 October (recorded in 2009)
Environmental Protection Agency, A national macroinvertebrate dataset collected for the biomonitoring of Ireland’s river network, 2007–2018 (EPA), National Biodiversity Data Centre, Ireland, Iron Blue Mayfly (Baetis muticus), accessed 28 July 2025, <https://maps.biodiversityireland.ie/Dataset/335/Species/184217>

Records per month (across all datasets)

Records per year (across all datasets)