Species Detail - Dytiscus semisulcatus - 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
Dytiscus semisulcatus
N/A
NHMSYS0001718027 RecommendedWell-formed
N/A
dysem
Müller, O.F., 1776
Insect - beetle (Coleoptera)
Species
221
147
74
01/01/1829
24/07/2020
24 February (recorded in 1993)
31 December (recorded in 1892)
National Biodiversity Data Centre, Ireland, Dytiscus semisulcatus, accessed 01 September 2025, <https://maps.biodiversityireland.ie/Species/71538>

Records per month (across all datasets)

Records per year (across all datasets)