Sigara lateralis
Description
5-6.5mm, the only species of the genus to have an entirely dark posterior claw. This is one of several very similar small water bugs. It has a pattern resembling a gold coloured wave effect on the elytra. Detailed examination is needed to identify the species.
Identification difficulty

Habitat
Usually in and around water, but flies well and may be attracted to lights
When to see it
All year round, but most likely to be encountered between April and October.
UK Status
Widespread and fairly frequent in much of Britain, though less so in Scotland and in the west.
VC55 Status
Fairly frequent in Leicestershire and Rutland.
Leicestershire & Rutland Map
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015