Species Detail - Diamesa tonsa - Species information displayed is based on the dataset "The Chironomidae (Diptera) of Ireland".
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84).
Diamesa tonsa
N/A
NBNSYS0100020001
RecommendedWell-formed
Chironomus pergens Haliday in Walker, 1856, Chironomus pertractus Walker, 1856, Chironomus tonsus Haliday in Walker, 1856, Diamesa culicoides Heeger, 1853, Diamesa pergens (Haliday in Walker, 1856), Diamesa pertracta (Walker, 1856), Diamesa thienemanni Kieffer, 1909, Diamesa tonsa (Walker)
N/A
diton
(Haliday in Walker, 1856)
Insect - true fly (Diptera)
Species
36
22
14
20/02/1852
30/05/2002
20 February (recorded in 1852)
26 October (recorded in 1946)
University College Dublin, The Chironomidae (Diptera) of Ireland, National Biodiversity Data Centre, Ireland, Diamesa tonsa, accessed 20 January 2026, https://maps.biodiversityireland.ie/Dataset/199/Species/99908