7 to 8 mm with seven to nine pale lines on the pronotum. The pattern of light lines on a dark background fades to a pale patch near the apex of the corium.
Unless identified by a recognised expert, photos of the dorsal and ventral surfaces are required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used. Please measure length and record dorsal patterning.
Occurs in a range of still-water habitats, usually with emergent vegetation and a fairly high concentration of organic matter in solution.
Overwinters as an adult.
Widespread and common in Britain.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015