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1804 ~ Barred Rivulet ~ Perizoma bifaciata
UK Status

Resident. Local S,C(N).

Montgomeryshire Status

A local and rare species. 

Wingspan :  M & F, 20-26mm.

Confusion species

Barred Carpet, Heath Rivulet.


Flight time (Montgomeryshire)

Habitat

Mainly on chalk downland, also found on open waste ground.

Foodplant

The ripening seeds of red bartsia and occasionally eyebright.

Lifestage data

Overwinters as a pupa underground, sometimes up to 5 years. Larva Aug-Oct living inside the seed capsules until too large, then living on the plant.
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Montgomeryshire photos

Photo by AT, 29th July 2015, Derwenlas