Ernoporicus fagi
Bark beetle Ernoporicus fagi
Adult Ernoporicus fagi beetles range from 1.5 to 2.0 mm in length. It develops on thinner branches of dying trees where it creates a typical larval gallery system. This twig borer has one generation per year. Not very common.
Galleries under the bark.
Tree Species: Beech, Hornbeam
Part of a plant- attacked: Tree trunk, Branch
Pest significance: Harmful
Pest Category: Insects
Invasive Species: No
Present in EU: Yes
Pest group: Insect
Depth of damages: Bark, Under bark only, Up to 0,5 cm depth
The extent of damage: Whole trunk
Prevalence in Europe: Rare
Damaged products: Firewood, Fresh timber logs (water still in the sapwood)
Roundwood size: Branches and twigs, Diameter up to 10 cm
Wood discoloration: No
Exit holes: Round
Pest subcategory: Bark and underbark insect
Similar pests
Hylastes ater
Taphrorychus bicolor
