A smaller species, length 5–6.5mm, with 7-9 pale lines on the pronotum, a pala with a single row of pegs and a more or less triangular xiphus. The male of S. nigrolineata has a facial depression below a transverse keel (or ridge) that is level with the bottom of the eyes.
A widespread species which is found in upland and lowland areas in a wide variety of ponds and smaller aquatic habitats like water troughs. Often one of the first species of water boatman to colonise new habitats.
All year round, with new adults emerging in July. Overwinters as an adult and there are two, possibly three, generations per year.
Widespread and fairly frequent in Britain.
Fairly frequent in Leicestershire and Rutland.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015