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Hylurgops glabratus

Bark beetle Hylurgops glabratus

Description

The adult is 3.5–4 mm long. Larvae develop in phloem of declining, deceased, broken or uprooted tree trunks. Even in case of outbreak they are not primary pests. Its feeding gallery is single-branched, with the egg gallery parallel to the trunk axis. The larval tunnels are more densely concentrated on one side of the maternal gallery which has a V-shaped bend at one end. The relative species Hylurgops palliatus is found in Europe.

Symptom

The larval corridors are more concentrated on one side of the mathernal corridor. Mathernal gallery is hooked on one side.

Tree Species: Pine, Spruce

Part of a plant- attacked: Tree trunk

Pest significance: Less harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes