Species Detail - Headfly (Hydrotaea irritans) - Species information displayed is based on the dataset "Muscidae 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
Hydrotaea irritans
Headfly
NBNSYS0000030764 RecommendedWell-formed
N/A
hyirr
(Fallén, 1823)
Insect - true fly (Diptera)
Species
65
35
29
11/06/1893
10/07/2007
8 March (recorded in 1905)
16 September (recorded in 1968)
Ryan Mitchell, Muscidae of Ireland, National Biodiversity Data Centre, Ireland, Headfly (Hydrotaea irritans), accessed 29 April 2026, https://maps.biodiversityireland.ie/Dataset/448/Species/92636

Records per month (across all datasets)

Records per year (across all datasets)