Stenopterus

Stenopterus

*Stenopterus* Illiger, 1804 is one of the most recognisable longhorn genera of the western Palaearctic, instantly betrayed by its extraordinarily slender, wasp-mimicking body and strongly clavate hind femora. Adults are strictly diurnal and are most reliably encountered on warm, sunny days between May and August, when they gather on umbellifer flowers — particularly Apiaceae — to feed on pollen and nectar. The genus reaches its greatest diversity in the southern and central parts of its range, from North Africa and the Mediterranean basin into central Europe, where open oak woodland and forest-steppe habitats provide both larval substrates and adult foraging resources. Three species occur in…

Seasonal activity

Flight season: Summer–Autumn

Green = active months · Orange = peak

Host plants

Primary hosts: oak

External resources

GBIF · Wikidata · Käfer der Welt

Field tip: Slender, wasp-like. On flowers in warm areas (May–Aug). Hind femora club-shaped. S. rufus common on Apiaceae.