Scarodytes halensis

    Description

    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.

    Similar Species

    There are numerous other diving beetles with dark longitudinal stripes on pale, yellow elytra.

    Identification difficulty
    ID guidance
    • c4mm
    • 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)
    Recording advice

    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.

    Habitat

    Base-rich, even polluted, pools and ditches with sparse vegetation.

    When to see it

    All year, peaking in April and August..

    UK Status

    Widespread in England.

    VC55 Status

    Occasional in Leicestershire and Rutland.

    Leicestershire & Rutland Map

    UK Map