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2421 ~ Scarce Silver-lines ~ Bena bicolorana
UK Status

Resident. Local S,C.

Montgomeryshire Status

An uncommon and local species that has been found at scattered sites throughout the county.

Wingspan :  M & F, 40-48mm.

Confusion species


Flight time (Montgomeryshire)


Broadleaved woodland and parkland.


The buds and leaves of oak, also recorded on birch.

Lifestage data

Overwinters as a small larva on or near the bud of the foodplant. Larva August-May. Pupates in a tough cocoon on the underside of the foodplant leaves.
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Montgomeryshire photos

Photo by PRW, 4th July 2008, Commins Coch

Photo by DB, 18th July 2011, Middletown