Species Detail - Red Mason Bee (Osmia bicornis) - Species information displayed is based on the dataset "Bees 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

Species image

Osmia bicornis
Red Mason Bee
NHMSYS0000876509 RecommendedWell-formed
N/A
osbic
(Linnaeus, 1758)
Insect - hymenopteran
Species
353
105
46
07/05/2003
20/03/2026
20 March (recorded in 2026)
8 October (recorded in 2015)
Collated by the National Biodiversity Data Centre from different sources, Bees of Ireland, National Biodiversity Data Centre, Ireland, Red Mason Bee (Osmia bicornis), accessed 24 May 2026, https://maps.biodiversityireland.ie/Dataset/5/Species/57008

Records per month (across all datasets)

Records per year (across all datasets)