Spindle Ermine - Yponomeuta cagnagella


Wingspan 19-26 mm. Although very similar to several other Yponomeuta species, it can be distinguished by the terminal cilia on the forewing which are pure white as opposed to greyish.


Prefers chalk or limestone districts.

When to see it

July and August

Life History

The food plant is Spindle the larvae feeding gregariously in a silken web.

UK Status

Fairly common throughout Britain except in the far north. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

Occasional in Leicestershire and Rutland. L&R Moth Group status = C (very scarce resident or rare migrant)

16.004 BF427

Leicestershire & Rutland Map

UK Map