Elachista argentella

Alternative names
Silver Grass-miner
Swan-feather Dwarf
Description

Wingspan 11 to 12 mm. This is a small, all-white species.

Identification difficulty
Habitat

It occurs in grassy habitats, flower meadows etc.

When to see it

The adults are on the wing mostly in June and July, and fly from evening onwards, being attracted to light after darkness. They can be disturbed from grassland during the day.

Life History

The larvae feed on a number of different species of grass, mining the leaves.

UK Status

Fairly common throughout Britain. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

Occasional in Leicestershire and Rutland. L&R Moth Group status = C (very scarce resident or rare migrant).

Reference
38.004 BF610

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
Swan-feather Dwarf
Species group:
Moths
Kingdom:
Animalia
Order:
Lepidoptera
Family:
Elachistidae
Records on NatureSpot:
43
First record:
18/05/2004 (Skevington, Mark)
Last record:
04/06/2023 (Higgott, Mike)

Total records by month

% of records within its species group

10km squares with records

The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.

In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.

Latest images

Latest records