Leptura rubra

Leptura rubra

Leptura rubra

This beetle is easily distinguished by the attractive yellowish-red coloration. The females lay their eggs in damp softwood, often in diseased or dead branches. The larvae live exclusively in the sapwood and their development normally takes two years.

When seen indoors this beetle has usually flown in from adjacent woodlands, but it may also emerge from damp posts or planking. Softwood logs which have lain at the bottom of a stack may also be a source of infection. The female does not lay eggs in dry timber, so there is no risk of this species becoming established indoors.