UK Status
Resident. Widespread and very common throughout the
British Isles.
Montgomeryshire Status
Found at a few sites, mainly in the north of the county
Wingspan
:
M & F, 9-10mm.
Confusion species
None.
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Flight time & Voltinity
(Univoltine)
Habitat
Wherever the foodplant is found.
Foodplant
Birch.
Lifestage data
Bud/stem miner. Eggs laid on the foodplant. Larva feed in the stem, bud
or a catkin where it also overwinters. Pupates in a cocoon on the trunk
after leaving its overwintering site. |
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