Body length : 13-34mm.
Host plant : Polyphagous.
Found in wet woodlands, riparian forests, riverbanks, marshes and other moist habitats with abundant willows.
The larvae develop in the trunks and large branches of weakened, dying or recently dead trees.
Mainly on Salix sp. but also on Acer sp, Alnus sp., Populus sp. and Sorbus sp.