UK Status
Resident. Widely distributed and generally common
throughout the British Isles.
Montgomeryshire Status
A fairly common species throughout the county. Although care should be
taken as there are a few other very similar species, especially E
cirsiana.
Wingspan
:
M & F, 12-23mm.
Confusion species
The female can be confused with E. cnicicolana.
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Flight time & Voltinity
(Univoltine)
Habitat
Open woodland and wet grassy places.
Foodplant
Marsh thistle and common knapweed.
Lifestage data
Stem/root feeder. Eggs laid on foodplant. Larva lives and feeds within
stems and roots, moving to upper part of the stem before pupating.
Pupates in a silken cocoon in stem. |
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