Metidiocerus rutilans

Alternative names
Idiocerus rutilans

Length about 5 mm. The forewings are basally plain reddish-brown and hyaline in the apical third, with several white spots along the cubital vein. The scutellum is mainly brown with a pale apex; other small pale marks may be present and the dark triangles are often faint or absent. The thyridia are dark and the face is particularly plain and yellowish in males, which also have very small, slender antennal palettes

Identification difficulty
Recording advice

Detailed examination of the specimen is needed to identify this species. A photograph alone is not normally sufficient because key features are not obvious and there are one or more similar species.


Around willows and sometimes evergreens in winter.

When to see it

Adult: April to November.

Life History

Often overwintering on pines.

UK Status

Locally distributed on willows, primarily in southern Britain.

VC55 Status

Not thought to be very frequent in Leicestershire and Rutland

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map