Plagionotus

Plagionotus

*Plagionotus* Mulsant, 1842 is a medium-sized longhorn beetle (10–22 mm) of deciduous woodlands and old orchards across the West Palaearctic, instantly recognisable by its striking yellow oblique fasciae on a dark ground — one of the most convincing wasp mimics among European cerambycids. Adults are strongly diurnal, running actively over sun-exposed trunks and freshly cut timber from May to August. The flagship species, *P. detritus*, breeds chiefly in *Quercus* but also colonises a range of other broadleaved trees and shrubs, attacking dying and freshly felled wood from slender branches (≥2 cm) to massive trunks exceeding 100 cm diameter. The subgenus *Echinocerus* includes *P. floralis*, …

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: Vosí mimikry! P. detritus na čerstvě řezaném dubovém dříví (V-VIII). Denní, běhá po osluněných kmenech.