This is one of five Pachyprotasis species found in Britain and one of the larger species at 8-9mm. The upper abdomen is largely black and the underside has conspicuoius black markings but the sides are white. The femora and most of the hind tibia are red in the female but black and white in the male.
Pachyprotasis simulans is similar but this smaller (6.5-7.5mm) and both male and female have black and white legs.
It can be an agricultural pest of potatoes.
The larvae are known to feed on potatoes in the UK but on the continent they feed on other plants too.
This seems to be a scarce species in Britain.
Rare or under recorded 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