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0129 ~ Incurvaria pectinea
UK Status

Resident. Quite well distributed throughout the British Isles, but more common further north.

Montgomeryshire Status

Just three records in the north of the county from the Lake Vyrnwy area in 2007 & 2010.

Wingspan :   M & F, 12-16mm.

Confusion species


Some species of Incurvaria are very similar. One of the best ways of separating them is to identify the pupal case.
Flight time & Voltinity (Univoltine)

Habitat

Wherever the foodplant is found.

Foodplant

Birch.

Lifestage data

Leaf miner/Case-bearing. Eggs laid on leaf. Larva forms small white blotches, then a case which falls to ground. The larva continues to feed and case is finally attached to a vertical surface where pupation takes place.
map
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Montgomeryshire photos

Photo by AMB, 11th June 2010, Lake Vyrnwy