Rosalia alpina

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Alpine longhorn Rosalia

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Alpenboktor
France, Bonac-Irazein 02-08-2017
© Johan Verstraeten
Laden...
Carl Linnaeus –
1758

Body length : 15-38mm.

Host plant : Polyphagous.

Found in old deciduous forests, especially mature beech forests in mountainous and hilly regions.

The larvae develop in dead or dying wood, usually in standing trunks and large branches exposed to sunlight.

Development generally takes 2-4 years, depending on climate and wood conditions.