Nymph identification: Size 0.7 to 10 mm. Separated from C. tripunctata by the hairs along the entire lateral margin on both sides, and the dorsal side of the head which has a V like structure.
Stony, shallow riffles in streams and rivers as well as stony lake shores, especially in soft oligotrophic waters.
Univoltine - produces one brood in a year. Adult flight period is from April to September. Nymphs present from August to July.
Common and widespread throughout the country. Has been recorded from 309 10km squares in Ireland.
Records submitted to Data Centre in 2019
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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.