UK Status
Resident. Widespread and common in Britain as far north as Perthshire.
Montgomeryshire Status
Few records.
Wingspan
:
M & F, 7-8mm.
Confusion species
B. demaryella.
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Flight
time & Voltinity
(Bivoltine)
Habitat
Wherever the foodplant is found.
Foodplant
Oak.
Lifestage data
Leaf miner. Eggs laid on upperside of leaf. Larva firstly mines a short
contorted gallery, then eats out windows on underside of leaf. Pupates
in a cocoon spun on a leaf or the trunk of the foodplant. |

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for larger image
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