UK Status
National scarce B. Found in scattered colonies throughout the UK.
Montgomeryshire Status
Resident. First recorded at Rhoslan in the north of the county in 2020.
Wingspan
:
M & F, 17-20mm.
Confusion species
None. |
Flight time
(Montgomeryshire)
Habitat
Woodland, upland and heathland with mature birch.
Foodplant
Silver & downy birch.
Lifestage data
Overwinters as an egg. Larva late April to mid-June, hiding in spun
leaves. Pupates underground. |
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