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Aegosoma scabricorne

Grain support beetle

Description

The beetle, about 30-50 mm long, belonging to the biggest insect species at all Europe. It has yellowish brown colouring with a short, tight hair. The male has antennae a little longer than its body, the female antennae reach only to the half of its body. The larvae develop for 3-4 years in dead wood in injured or dying stems. Several generations may develop in a single stem. Before pupating the larvae open an emergence hole through which the adults leave after several weeks in the pupal stage. The adults fly at night from early July until early August, spending the day in bark crevices and similar places. Mating and oviposition occur on the stem either in hollows or on wounds. Dead adults can be found at the base of the hostplant. This species is typically associated with old floodplain forests, parks, graveyards and established trees lining roads.

Symptom

Big exit holes and galleries under the bark.

Tree Species: Lime, Poplar, Willow

Part of a plant- attacked: Tree trunk

Pest significance: Less harmful

Pest Category: Insects

Invasive Species: No

Present in EU: Yes

Last observations

There are a total of 9 observations of the species in the system

Aegosoma scabricorne Grain support beetle
Maria Holovičova
Number of votes: 0
Published: 1.8.2025

Aegosoma scabricorne Grain support beetle
Maria Holovičova
Number of votes: 0
Published: 1.8.2025

Aegosoma scabricorne Grain support beetle
Marián Slamka
Number of votes: 0
Published: 1.8.2025

Aegosoma scabricorne Grain support beetle
Milan Zubrik
Number of votes: 0
Published: 18.9.2023

Aegosoma scabricorne Grain support beetle
František Kosorín
Number of votes: 0
Published: 27.8.2023