Nymph identification: 0.5 to 10 mm in size. This genus is easily identified by the three stout sausage-shaped gills on each side of the prosternum.
Streams and rivers on stable substrates with moss, algae and leaf packets.
Univoltine - produces one brood in a year. Adult flight period is from February to September. Nymphs present from July to May.
Common and widespread. Has been recorded from 239 10km squares in Ireland.
Records submitted to Data Centre in 2020
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H.B. Feeley, J-R. Baars & M. Kelly-Quinn (2016) The Stonefly (Plecoptera) of Ireland –
Distribution, Life Histories & Ecology. National Biodiversity Data Centre, Waterford. Ireland.