| UK Status 
 Resident. Local SE,W.
 
 Montgomeryshire
Status
 
 Locally common mainly in the western side of the county.
 
 Wingspan
:  M
& F, 35-38mm.
 
 Confusion
species
 
 Common Lutestring.
 | Flight
time (Montgomeryshire) 
 Habitat
 
 Mature broadleaf woodland.
 
 Foodplant
 
 Birch and alder.
 
 Lifestage data
 
 Larva late July-mid September which hide during the day
between spun leaves. Overwinters as a pupa in a cocoon formed in the
leaves of the foodplant.
 |   |