Eudonia mercurella

Alternative names
Garden Grey
Small Grey
Description

Wingspan 16-19 mm. Its similarity to several other species makes it difficult to identify.

Similar Species

Scopariinae are a difficult group to identify and sometimes it is necessary to refer to genitalia to be sure. A useful guide can be found at the following LINK

Identification difficulty
Habitat

Woodland, parks and gardens.

When to see it

The adults, which are easily attracted to light, fly at night from June to September but can be disturbed from their daytime resting places of tree trunks and rocks etc.

Life History

The larvae, like many of its congeners, feed on mosses growing on tree trunks and walls.

UK Status

A common species in most of Britain. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

Quite common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident)

Reference
63.074 BF1344

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
Small Grey
Species group:
insect - moth
Kingdom:
Animalia
Order:
Lepidoptera
Family:
Crambidae
Records on NatureSpot:
440
First record:
12/07/2003 (Skevington, Mark)
Last record:
26/07/2025 (Skidmore, Paul)

Total records by month

% of records within its species group

10km squares with records

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