| UK Status 
 Resident. Widespread throughout the British Isles, except the very north of Scotland.
 
 Montgomeryshire Status
 
 Recorded from scattered sites throughout the county.
 
 Wingspan
:
  M & F, 14-17mm.
 
 Confusion species
 
 None.
 
 | Flight time & Voltinity
(Univoltine?) 
 Habitat
 
 Wherever the foodplant is found.
 
 Foodplant
 
 Ash.
 
 Lifestage data
 
 Leaf miner/bark miner. Eggs laid on a twig. Larva first mines the leaf,
then mines the bark of a twig. Pupates in a cocoon, attached to the
twig.
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