Species Detail - Grim Woodwasp (Sirex torvus) - Species information displayed is based on the dataset "Sawflies 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).
Sirex torvus
Grim Woodwasp
NHMSYS0020482256
RecommendedWell-formed
N/A
sitor
M. Harris, 1779
Insect - hymenopteran
Species
3
3
3
01/08/1970
19/07/1981
19 July (recorded in 1981)
1 October (recorded in 1971)
Collated by the National Biodiversity Data Centre from different sources, Sawflies of Ireland, National Biodiversity Data Centre, Ireland, Grim Woodwasp (Sirex torvus), accessed 23 December 2025, https://maps.biodiversityireland.ie/Dataset/301/Species/63894