Male and female.
Body length : 6-10mm.
Host plant : Polyphagous.
Found in sunny deciduous and mixed woodlands, woodland edges, clearings, hedgerows, orchards and other habitats with abundant dead hardwood.
The adults are commonly found on flowers of umbellifers, hawthorn, bramble and daisies.
The larvae develop in dead, dry branches and twigs of deciduous trees, such as Acer sp., Betula sp., Corylus sp., Crataegus sp., Fagus sp., Fraxinus sp., Quercus sp., Salix sp., …