Least Black Arches - Nola confusalis


Wingspan 16-18 mm. Narrow forewing usually whitish with fine black cross lines, the innermost of which is elbowed or 'V' shaped, and the outer middle one strongly curved in the leading half and often shaped like a question mark. Usually a narrow but distinct grey brown outer central cross band.

Identification difficulty

Species frequents woodland, parks and gardens.

When to see it

It flies in May and June, and can be attracted to light.

Life History

The larvae feed on Lime, Evergreen Oak and other trees and bushes.

UK Status

Locally distributed over a large part of Britain. In a recent survey to determine the status of all macro moths in Britain this species was classified as local.

VC55 Status

Fairly frequent but not common in Leicestershire and Rutland. L&R Moth Group status = B (scarce resident or restricted distribution or regular migrant)

74.004 BF2078

Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species profile

Common names
Least Black Arches
Species group:
Records on NatureSpot:
First record:
03/05/1997 (Nicholls, David)
Last record:
18/05/2023 (Leese, Eric)

Total records by month

% of records within its species group

10km squares with records

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