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49.230 BF1151  – White-blotched Roller  – Epinotia trigonella  – (Linnaeus, 1758)
Adult Micro:  CAT 2 – Can be confused with other species –      
PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Green –  Rare / Uncommon / Scarce   
Taxonomy:   Micro   >>  Tortricidae  >> Olethreutinae
** Photograph required; identification write up required **
Other Name/s: White-blotch Bell
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Epinotia demarniana (Blotched Tortrix)
Distribution:  (Last record: 9 January 2008 at Glossop )  –  Likely uncommon – DaNES shows 7 records widespread between 1969 and 2008 – last record 1/9/2008 Glossop.
General Comment: None
Flight Period: August /  September –  An autumn flying species during August-September favouring heathland, mosses and open woodland. Moth Activity: Crepuscular   – is often seen during the day Photographed: No –  Photographed By: Not Recorded
*** Last updated on 2 October 2025 by RP ***
Wingspan: 16-21mm
Food Plant: Birch
Last Recorded Year: 2008
Last Recorded By – DaNES
Last Recorded General Area – Glossop

Selected Images:  



Temporal Distribution Chart
Adults: (between 1969 - 2008)
(click legend below to show/hide datasets)
This chart summarises all available historical occurrence records collated by ISO week of the year. It reflects recorder effort and sampling distribution as well as true biological activity, and should be interpreted as an indicative pattern of seasonal occurrence rather than a statistically controlled abundance or phenology model.

Distribution Map for Epinotia trigonella

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

If the Map Layers function fails, just refresh the page and it should be OK after. Use the +- zoom on the top left, or on a tablet, use two fingers to zoom. Remember, the last layer you ticked is the one which displays the popup information - they sit on top of each other - de-select then re-select, to see the popup values.

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 – Epinotia trigonella

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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.

Visit NBN Site


Monthly Records By Year: Epinotia trigonella
( data includes both Larvae and Adult Stages )

Monthly Counts By Year: Epinotia trigonella
( data is based on 'Adult' stage records only )

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

Shading shows moth presence between dates

Click the colour discs below to Select/De-select as Required

Recordings By Year: Epinotia trigonella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Epinotia trigonella
AGR: 8.45%   |   Total % Change: 50%

Hectad (10kmx10km) Coverage: Epinotia trigonella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Epinotia trigonella

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 - Epinotia trigonella – 7 records available

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

Site Name Tetrad Date Count Stage Recorder Source RecordKey
Glossop (Shire Hill Quarry) SK09M 01/09/2008 1 Adult Colin Plant vc57_danes_bc_data LC000334001CP4K8
Flash Lane,Beeley Moor SK26X 29/08/2008 2 Adult B.L. Statham vc57_danes_bc_data LC000334001COZXE
Leash Fen area, Clod Hill Moor, Baslow SK27W 28/08/2005 1 Adult Dave Budworth;N.J. Ward vc57_danes_bc_data LC000334001COVXD
Edgecote Drive,Newhall,Swadlincote SK22V 29/07/2004 1 Adult Topliss, Neil vc57_danes_bc_data LC000334001CP277
Longshaw Est, Padley Gorge SK28K 22/08/2003 1 Adult H.E. Beaumont;R.F. Botterill vc57_danes_bc_data LC000334001CP9XE
Blacka Moor,Totley SK28V 25/08/1999 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001CP1DR
Wragg's Quarry,Rowsley Moor SK26Y 31/08/1969 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001COQHN

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