UK Status
Resident. Quite well distributed throughout the
British Isles, but more common further north.
Montgomeryshire Status
Recorded from a handful of well scattered sites in the north and west of the county.
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. |
|