Hesperocorixa sahlbergi


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.

Similar Species

Hesperocorixa linnaei

Identification difficulty
Recording advice

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.

When to see it

All year.

Life History

Overwinters as an adult.

UK Status

Widespread and common in Britain.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map