| UK Status 
 Resident. Common S,E,C.
 
 Montgomeryshire
Status
 
 A relatively uncommon species, recorded mainly in the eastern side of the county.
 
 Wingspan
:  M
& F, 45-78mm.
 
 Confusion
species
 
 None.
 | Flight
time (Montgomeryshire) 
 Habitat
 
 Open woodland and scrub, gardens.
 
 Foodplant
 
 Heart-wood of various broadleaf trees. Sometimes in young stems <10cm in diameter.
 
 Lifestage data
 
 Eggs attached singly or in small batches to stem. Larva overwinter
2-3 years and pupate beneath bark. Larva
Aug-May.
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