Phycitodes binaevella

Alternative names
Ermine Knot-horn

Wingspan 22-27 mm. The easiest of the three British species of Phycitodes to identify; it is the largest and has large blackish dots on a paler ground colour. The resting posture where the wings are rolled tightly around the body is common to the group.

Identification difficulty

Favouring areas where the larval food plant is present.

When to see it

The single generation flies in July and August.

Life History

The larvae feed inside the flower heads of Spear Thistle

UK Status

It occurs fairly frequently throughout England and Ireland. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

Fairly frequent but not common in Leicestershire & Rutland. L&R Moth Group status = B (scarce resident or restricted distribution or regular migrant)

62.058 BF1483

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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