Taxonomy
Dinocras cephalotes
Distribution
Species Biology
Identification
Nymph identification: 1.2 to 31 mm in size. Perlidae are identifiable by the thoracic gills, with D. cephalotes nymphs tending to be much darker than P. bipunctata.
Habitat
Fast flowing rivers with stable substrata.
Life cycle
This species has a merovoltine life history, taking an estimated three years to complete its life cycle. Adult flight period is from April to June and nymphs are present all year.
Distribution
World distribution(GBIF)
Irish distribution
Not common, with isolated distributions found in only a limited number of upland (>200 m) rivers in the south, south west and north west of the country. Has been recorded from 52 10km squares in Ireland.
Temporal change
Records submitted to Data Centre in 2024
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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.