Phycita roborella

Alternative names
Dotted Oak Knot-horn

Wingspan 24 to 29 mm. The adults of this quite attractive species have a subtle pattern of red, black and grey on the upper wings.

Identification difficulty

Various especially in well wooded areas containing Oak.

When to see it

The single generation is on the wing in July and August, when it flies from dusk into the night and is attracted to light.

Life History

The larvae feed on Oak, spinning leaves together with silk.

UK Status

Most British records come from England especially southern England. It can be reasonably common in suitable habitat. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

Fairly common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident)

62.029 BF1452

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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