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Hylesinus crenatus

Larch elm bark beetle

Description

This is the largest member of the Hylesinus genus in Europe. It excavates tunnels under the bark. Its gallery system has two branches perpendicular to the trunk axis. They are only 4–6 cm long and and 3 mm wide. The larvae mine long tunnels. The larch elm bark beetle lives under the bark of thicker ash trunks, where it is less common than Hylesinus varius = fraxini. The adult insect is 4–6 mm long.

Symptom

Tunnels under the bark. Its gallery system has two branches perpendicular to the trunk axis. They are only 4–6 cm long and and 3 mm wide.

Tree Species: Ash

Part of a plant- attacked: Tree trunk

Pest significance: Harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes

Last observations

There are a total of 18 observations of the species in the system

Hylesinus crenatusLarch elm bark beetle
milan
Number of votes: 0
Published: 11.9.2025

Hylesinus crenatusLarch elm bark beetle
Slavo
Number of votes: 0
Published: 7.1.2025

Hylesinus crenatusLarch elm bark beetle
Andrej
Number of votes: 0
Published: 19.9.2024

Hylesinus crenatusLarch elm bark beetle
Andrej
Number of votes: 0
Published: 19.9.2024

Hylesinus crenatusLarch elm bark beetle
Jakub Chudý
Number of votes: 0
Published: 6.6.2024