Superficially similar to a number of other tortricid moths, resembling a bird-dropping. The moth has been found on the trunks of apple trees and also occasionally comes to light.

Flight Season

Flies in July and August.


  • Small Sized 
  • Wing Span Range (male to female) - 16-18mm

Conservation status

  • UK BAP: Priority Species
  • Nationally scarce

Caterpillar Description

The larva overwinters in a small mine in a leaf of Mistletoe, which by late spring when the larva is full fed has become a pale inflated blister mine. The larva leaves the mine and pupates in a cocoon under bark or amongst lichens on the host tree.

Particular Caterpillar Food Plants

Mistletoe (Viscum album)


  • Countries – England, Wales
  • Somerset, Gloucestershire, Herefordshire, Worcestershire, Warwickshire and Monmouthshire.
  • Distribution Trend Since 1970’s = Britain: Suspected stable


Orchards, gardens, hedgerows on grazing levels. The moth is most frequently associated with Mistletoe on apple (Malus spp.) and to a lesser extent on hawthorn (Crataegus spp.), but has also been found on Mistletoe on other trees.

Mistletoe Marble - oldbilluk

Mistletoe Marble

Mistletoe Marble (caterpillar) - Patrick Clement

Mistletoe Marble (caterpillar)

Mistletoe Marble (monitoring) - Patrick Clement

Mistletoe Marble (monitoring)