UK Status
Resident. Very local through the British Isles.
Montgomeryshire Status
A mine was recorded in 2010 for the first time at Lake Vyrnwy.
Wingspan
:
M & F, 9-12mm.
Confusion species
Eriocrania sparrmannella
|
Flight
time & Voltinity
(Univoltine.)
Habitat
Many habitats with birch.
Foodplant
Birch.
Lifestage data
Leaf miner. Eggs laid on leaf. Larva first mines a linear mine near the
midrib which then forms into a blotch. Pupates in a tough cocoon in the
soil. |

Click map
for larger image
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