19.002 BF397  –  Glyphipterigidae –  Glyphipteriginae – Glyphipterix thrasonella – Eyed Rush Moth – (Scopoli, 1763) Adult Micro:  CAT 2 – Can be confused with other species –       PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Black – Uncertain/Unknown – Insufficient Data        day-flying – Day-flying
Taxonomy:   Micro   >>  Glyphipterigidae  >> Glyphipteriginae
Other Name/s: Speckled Fanner
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
ID pointers: The forewing shows a distinctive pronounced lobe at the apex. An overall “Brassy” colour to the forewing with distinctive streaks and black spots in the apex area, but these can be missing. 
Distribution:  (Last record: 27 May 2023 at Long Clough )  –  So little data on this species but suspect it is relatively common in the county where it occurs on rushes, wet grassland, moorland bogs and mires. Very few records
General Comment: None
Flight Period: May /  June /  July /  August –  On the wing during the day in May-August and comes to light  Moth Activity: Cathemeral   – and is attracted to light Photographed: Yes –  Photographed By: Will Soar  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 10-15mm
Food Plant: Rush
Last Recorded Year: 2023
Last Recorded By – Christian Heintzen
Last Recorded General Area – Long Clough

Selected Images:  Ticknall Lime Yards, Derbyshire – Will Soar ©

 
 


 

Distribution Map for Glyphipterix thrasonella

Found 7 records
    ↳ from 2026+
    ↳ 3 from 2020 - 2025
    ↳ 4 from Before 2020
Flying
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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Bedrock Geology ** indirectly affects moth distribution by influencing the type of habitat and food plants available in an area. In turn, this may affect the types of moths that can thrive, or where they can most likely be found.


NBN Atlas UK Distribution for – Glyphipterix thrasonella

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Note – the NBN Atlas datasets are listed in the map below and vary in their currency (uptodateness) – however, the map does give a general indication of the moth's distribution across the UK.

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Monthly Records By Year: Glyphipterix thrasonella
( data includes both Larvae and Adult Stages )

Monthly Counts By Year: Glyphipterix thrasonella
( data is based on 'Adult' stage records only. )


First/Last Recorded Dates: Glyphipterix thrasonella
Adult-only & Anything [Larvae, Pupae, Adult, Mines]

Shading shows moth presence between dates

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Recordings By Year: Glyphipterix thrasonella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Glyphipterix thrasonella
AGR: 0%   |   Total % Change: 0%

Hectad (10kmx10km) Coverage: Glyphipterix thrasonella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Glyphipterix thrasonella
( data includes Adult Stage only )

Flight Period chart – the grey hatched area above, which can cross one or more months, pictorially represents the best guess we have for this moth's flight periods [month/s]. The coloured lines represent the actual months seen in flight, from site observation records received between 2020-2026.

Records Behind the Map and Charts - Glyphipterix thrasonella – 7 records available

Listed by Year - descending - scroll across to see all table columns

Site NameTetradDateCountStageSource
Derbyshire, UKSK06J21/06/20241Adultvc57_irecords_extract
Dove Head, BuxtonSK06J17/06/20241Adultvc57_irecords_extract
Derbyshire Wild Life Trust Long CloughSK09G27/05/20231adultvc57_irecords_extract
Ticknall Limeyards, Calke ParkSK32R08/06/201840Adultvc57_irecords_extract
Mercaston Marsh Zone , Mercaston, BrailsfordSK24R24/06/20051Adultvc57_danes_bc_data
Clough Wood,Darley DaleSK26K15/06/19841Adultvc57_danes_bc_data
Rowsley Sidings, RowsleySK26S07/06/19811Adultvc57_danes_bc_data

 
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