Oak bark beetle
The European oak bark beetle (Scolytus intricatus) is a bark eater with a preference for oak, though its menu also includes other species of trees.
The beetle bores itself into the trunk or branch of a weakened oak tree and lays its eggs in an egg gallery. This egg gallery is 1 to 3 cm long and is transverse to the trunk or branch, while the larval galleries are long and closely spaced. Thus recently planted trees can become ringed and die. Young oak trees can become seriously damaged. The galleries can be mistaken for those of the longhorn beetle or the oak splendour beetle. Extensive maturation feeding by adult beetles can cause great damage to oak trees.