Resident. Widespread but local, in Britain as far
north as the Scottish borders.
Montgomeryshire Status
Locally common in scattered sites in the north of the county.
Wingspan
:
M & F, 17-20mm.
Confusion species
None.
Flight time & Voltinity
(Univoltine)
Habitat
Mostly in wooded areas.
Foodplant
Field maple and sycamore.
Lifestage data
Spinning. Eggs laid on a twig of the foodplant. Larva feeds from a
slight spinning. Pupates in a soft white cocoon in moss on the trunk,
under the bark or in the leaf litter.