Taxonomy

Siphonoperla torrentium

Distribution

Species Biology

Identification

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.

Habitat

Stony, shallow riffles in streams and rivers as well as stony lake shores, especially in soft oligotrophic waters.

Life cycle

Univoltine - produces one brood in a year. Adult flight period is from April to September. Nymphs present from August to July.

Distribution

World distribution(GBIF)

Irish distribution

Common and widespread throughout the country. Has been recorded from 309 10km squares in Ireland.

Temporal change

Records submitted to Data Centre in 2019

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References

Publications

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.

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