Prionus

Prionus

*Prionus* Geoffroy, 1762 is one of the most imposing longhorn beetles of the Western Palaearctic, with adults reaching 55 mm and a broad, flattened body of unmistakably robust construction. Found mainly in deciduous and mixed forests, older parks, and occasionally conifer plantations, adults are strictly nocturnal and are most reliably observed at light traps from June to September. Larvae develop over three to four years in the fully dead wood of root buttresses and underground portions of stumps or standing dead trees, requiring wood already in an advanced stage of decomposition. With 30 Palaearctic species and two in Europe, the genus ranges from southern Europe and North Africa through T…

Seasonal activity

Flight season: Summer–Autumn

Green = active months · Orange = peak

Host plants

Primary hosts: oak pine beech

External resources

GBIF · Wikidata · Käfer der Welt

Field tip: Noční, velký, létá ke světlu (VI-IX). Samec s pilovitými tykadly. Larvy v kořenech dubů.