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2078 ~ Least Black Arches ~ Nola confusalis
UK Status

Resident. Local

Montgomeryshire Status

A fairly common species, found throughout the county.

Wingspan :  M & F, 16-24mm.

Confusion species

Small Black Arches, Scarce Black Arches and Jersey Black Arches.

Flight time (Montgomeryshire)


Woodland, wooded areas and hedgerows.


Many broadleaf trees.

Lifestage data

Overwinters as a pupa in a cocoon attached to a twig. Larva June-August.
Click map for larger image

Montgomeryshire photos

Photo by PB, 25th Apr 2010, Morben Isaf

Photo by MDH, 19th May 2010, Llanfyllin