UK Status
Resident. Widespread but local throughout the British Isles.
Montgomeryshire Status
Recorded from a single site in the south of the county, Llangurig 1990.
Wingspan
:
M & F, 10.5-14mm.
Confusion species
It is often impossible to separate the adults of some species. In some cases differences can be seen in various life stages.
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Flight time & Voltinity
(Univoltine)
Habitat
Mainly heaths and alder carrs.
Foodplant
Birch and alder.
Lifestage data
Case-bearing/leaf miner. Eggs laid on leaf. Larva creates a series of
blotch mines from which it forms a case, the case is enlarged as the
larva grows. Pupates within case, attached to a twig. |
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