Glyphipterix thrasonella

Alternative names
Speckled Fanner

Wingspan 11-15 mm. A rather distinctive species of Glyphipterix, with its silver and black markings against a bronzy forewing and peculiarly indented termen.

Identification difficulty

Aquatic habitats, wetland and marshy areas where Juncus species are present.

When to see it

The moths can be found flying among the foodplants, rushes in sunshine. The flight period is May to August.

Life History

The early stages are still not fully described but the larvae are believed to feed internally in stems of rushes (Juncus).

UK Status

The species is widespread and usually common throughout much of the British Isles. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

This species seems rather uncommon or under recorded in Leicestershire and Rutland. L&R Moth Group status = D (rare or rarely recorded)

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Leicestershire & Rutland Map


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

UK Map