UK Status
Resident. Locally common throughout England becoming more scarce in Wales and Scotland.
Montgomeryshire Status
Recorded from a single site in the west of the county at Commins Coch.
Wingspan
:
M & F, 12-15mm.
Confusion species
D. alpinana and D. flavidorsana.
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Flight time & Voltinity
(Univoltine)
Habitat
Dry grassy places.
Foodplant
Yarrow and tansy.
Lifestage data
Root feeder. Eggs laid on foodplant. Larva lives and feeds, sometimes
gregariously, in the roots and rootstock. Pupates in a silken cocoon in
larval habitation. |
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