4 to 6 mm. Black with distinctive white markings on the pronotum and elytra. Freshly emerged specimens are initially brown.

The typical habitat of the adults is around dead wood although they may also be found on flowers e.g. Crataegus or Malus in the spring and early summer when they may be pollen feeders.

April and May

In Britain this species is mainly found south of the Humber. Notable B.

Occasional in Leicestershire and Rutland. There were a total of 15 VC55 records for this species up to March 2015.