Dark Spectacle - Abrostola triplasia

Description

Wingspan 28 to 32 mm. Similar in pattern to The Spectacle, but differs in several respects. Ground colour is brownish-black, base of forewing and thorax are dull straw or reddish brown and cross lines are edged with reddish brown.

Identification difficulty
Habitat

Occurring in suburban habitats, waste ground and woodland margins.

When to see it

It flies in June and July, sometimes with a second generation in the autumn.

Life History

The larvae feed mainly on nettle (Urtica dioica) in the autumn, and the species overwinters as a pupa.

UK Status

Reasonably common in southern and western parts of Britain, but elsewhere is rather local. In a recent survey to determine the status of all macro moths in Britain this species was classified as common.

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).

Reference
73.002 BF2449

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Common names
Dark Spectacle
Species group:
insect - moth
Kingdom:
Animalia
Order:
Lepidoptera
Family:
Noctuidae
Records on NatureSpot:
30
First record:
25/06/2017 (Grimes, Martin)
Last record:
07/10/2025 (Ryder Hurn)

Total records by month

% of records within its species group

10km squares with records

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