Species Detail - Caenis - 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
Caenis
N/A
NHMSYS0000066947 RecommendedWell-formed
N/A
N/A
Stephens, 1835
Insect - mayfly (Ephemeroptera)
Genus
1332
465
96
03/07/2001
17/06/2024
19 April (recorded in 2007)
28 October (recorded in 2009)
National Biodiversity Data Centre, Ireland, Caenis, accessed 14 July 2025, <https://maps.biodiversityireland.ie/Species/184296>

Records per month (across all datasets)

Records per year (across all datasets)