UK Status
Resident. Widespread and locally common throughout Britain as far north as Aberdeenshire.
Montgomeryshire Status
Recorded from two sites in the north-east of the county.
Wingspan
:
M & F, 10-13mm.
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
Wherever the foodplant is found.
Foodplant
Common knapweed, creeping thistle.
Lifestage data
Case-bearing/leaf miner. Eggs laid on leaf. Larva first mines a tiny
blotch, then constructs a case, mining continues forming blotches.
Pupates within case, attached to the stem or ground. |
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