Orthotomicus suturalis
Bark beetle Orthotomicu suturalis
Adults are 2.3-3.6 mm long, brown, shiny. This species has two generations per year. Adults of the fist generation initiate flying in May, and those of the second generation in late July – late August. Female tunnels have 5-10 cm in length and 1.5 mm in width.
It infests mainly stored trees with the thin bark, but also branches of standing trees, trees damaged by fire, dying and dead trees, particularly from the side exposed to sunshine. This species usually occurs in 10-80 year old stands. The species is not known to attack healthy trees.
Tree Species: Pine
Part of a plant- attacked: Tree trunk
Pest significance: Less harmful
Pest Category: Insects
Invasive Species: No
Present in EU: Yes
Pest group: Insect
Affected part of wood: Bark, Underbark area
Depth of damages: Under bark only
The extent of damage: Lokally
Prevalence in Europe: Rare
Damaged products: Stored timber logs (dried wood)
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 cunicularius
Ips cembrae
