Musotima nitidalis

Alternative names
Golden-brown Fern Moth
Marbled Fern
Description

This species has a multi shaded brown forewing with white marks and is quite distinctive.

Identification difficulty

(but please provide photograph)

Recording advice

Because this species is still rare in our area a photograph is required to support your record.

When to see it

Most records in Britain are from the period May to November.

Life History

This species is associated with ferns. The larva feeds on the underside of a frond of Bracken, Broad Buckler-fern or Hard Fern and perhaps other ferns. It pupates spun to the underside of a frond.

UK Status

The first British record came from Dorset in 2009. It has since spread, firstly alond some southern coastal areas, but probably now moving further north. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as adventive.

Leicestershire & Rutland Status

Rare in VC55 (Leicestershire and Rutland) A record from Charnwood Lodge on 15th October 2024 was the first from our area.

Further Information

63.1181 BF1355a

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
Marbled Fern
Species group:
insect - moth
Kingdom:
Animalia
Order:
Lepidoptera
Family:
Crambidae
Records on NatureSpot:
3
First record:
15/10/2024 (Browne, Sean)
Last record:
16/10/2025 (Ryder Hurn)

Total records by month

% of records within its species group

10km squares with records

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