Length 3.8 to 4.3 mm with lateral furrows on the pronotum and ladder-like first and second elytral stripes. This is the only species in this genus. The oval body, strong dorsal striped patterning (usually 5 stripes) and a dark underside are all useful features.
There are numerous other diving beetles with dark longitudinal stripes on pale, yellow elytra.
- pale elytra usually with 5 dark stripes
- first and second stripes connected at 2-3 points to look ladder-like
- dark underside
- lateral furrows on the pronotum (need good light to see)
Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.
Base-rich, even polluted, pools and ditches with sparse vegetation.
All year, peaking in April and August..
Widespread in England.
Occasional 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