Cydia fagiglandana - Dave Evans
49.342 BF1259  – Beech Mast Piercer  – Cydia fagiglandana  – (Zeller, 1841)
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   
Taxonomy:   Micro   >>  Tortricidae  >> Olethreutinae
Other Name/s: Large Beech Piercer
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  C. splendana
ID pointers: Forewing blackish or blackish-brown. Speckled with whitish-grey or greyish. A whitish-grey central cross-band. The costa has whitish variable length streaks. The large ocellus is edged metallic leaden containing three or four black dashes or dots.
Distribution:  Unknown – not listed in Harrison & Sterling (1988) – Assume localised in Derbyshire. Preferred habitat is Beech.
General Comment: None
Flight Period: May /  June /  July /  August –  On the wing during May – August. Moth Activity: Nocturnal   – and is attracted to light Photographed: Yes –  Photographed By: Dave Evans  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 13-19mm
Food Plant: Beech.
Last Recorded By – Not Recorded
Last Recorded General Area – Not Recorded

Selected Images:  Belper, Derbyshire – Dave Evans©



Temporal Distribution Chart
Adults: (between 1999 - 2025)
(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 Cydia fagiglandana

Found 31 records
    ↳ from 2026+
    ↳ 26 from 2020 - 2025
    ↳ 5 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 – Cydia fagiglandana

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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: Cydia fagiglandana
( data includes both Larvae and Adult Stages )

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

First/Last Recorded Dates: Cydia fagiglandana
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: Cydia fagiglandana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Cydia fagiglandana
AGR: 0%   |   Total % Change: 0%

Hectad (10kmx10km) Coverage: Cydia fagiglandana
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Cydia fagiglandana

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 - Cydia fagiglandana – 31 records available

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

Site Name Tetrad Date Count Stage Recorder Source RecordKey
Belper SK34N 28/07/2025 1 adult Evans, Dave vc57_irecords_extract iBRC43948634
Buxton (w) SK07R 17/07/2025 1 adult White, Ian vc57_irecords_extract iBRC43584635
Mickleover garden SK33C 10/07/2025 1 adult Maughan, Christine vc57_irecords_extract iBRC44891434
Woodland Ave SK43R 05/07/2025 1 adult Thorpe, Steve vc57_irecords_extract iBRC48391246
upper cromford garden SK25Y 01/07/2025 1 adult Ashton, Clive vc57_irecords_extract iBRC42924227
Norton Lees, Sheffield SK38L 12/06/2025 1 adult Mella, Pete vc57_irecords_extract iBRC42243432
Belper, Derbyshire SK34N 30/05/2025 1 adult Newcombe, Dave vc57_irecords_extract iBRC43925990
Norton Lees, Sheffield (VC) SK38L 05/08/2024 1 adult Mella, Pete vc57_irecords_extract iBRC38368873
Belper SK34N 30/07/2024 1 adult Evans, Dave vc57_irecords_extract iBRC37596298
Norton Lees, Sheffield (VC) SK38L 30/07/2024 2 adult Mella, Pete vc57_irecords_extract iBRC38370295
King's Newton SK32Y 29/07/2024 1 adult Soar, Will vc57_irecords_extract iBRC40386663
Forbes Hole LNR SK43W 19/07/2024 1 adult Bryce, Marion vc57_irecords_extract iBRC37225861
Norton Lees, Sheffield (VC) SK38L 17/07/2024 1 adult Mella, Pete vc57_irecords_extract iBRC38370795
Sandiacre SK43S 09/07/2024 1 adult paul buxton vc57_irecords_extract iBRC36985864
Belper SK34U 09/08/2023 1 adult Evans, Dave vc57_irecords_extract iBRC35296815
Belper Garden SK34P 04/08/2023 1 adult Evans, Dave vc57_irecords_extract iBRC34544892
Sandiacre SK43T 30/07/2023 1 adult Milnes, Emily vc57_irecords_extract iBRC34528816
Hathersage SK28F 16/06/2023 1 adult Kydd, Alan vc57_irecords_extract iBRC39122385
Hathersage, Derbyshire, UK SK28F 10/06/2023 1 adult Miles, Claire vc57_irecords_extract iBRC30865609
Hathersage, Derbyshire, UK SK28F 29/07/2022 2 adult Miles, Claire vc57_irecords_extract iBRC28567984
Belper SK34U 21/07/2022 1 adult Evans, Dave vc57_irecords_extract iBRC35316656
Buxton SK, UK SK07S 26/08/2021 1 Adult Orridge, Steve vc57_irecords_extract iBRC23032127
Norton Lees SK38L 17/06/2021 1 adult Mella, Pete vc57_irecords_extract iBRC50548134
Norton Lees SK38L 24/06/2020 1 adult Mella, Pete vc57_irecords_extract iBRC50546213
Norton Lees SK38L 23/06/2020 1 adult Mella, Pete vc57_irecords_extract iBRC50546131
Allestree, Derby SK33P 21/05/2020 1 adult Plant, Stephen vc57_irecords_extract iBRC46335755
Norton Lees SK38L 16/07/2019 1 adult MELLA, Mr P.J. Danes_2019-2021 1323
Main Street, Kings Newton SK32Y 15/07/2019 1 Adult Soar, Will vc57_irecords_extract iBRC34060512
Calke Park Ticknall Lime Yards SK32R 03/08/2007 1 adult Finch, Graham Leonard vc57_irecords_extract iBRC35106002
Ticknall Limeyards,Ticknall SK32R 03/08/2007 1 Adult G.L. Finch;M.A. Finch vc57_danes_bc_data LC000334001COSD9
East Buxton Lime Quarry, Buxton SK17G 17/07/1999 1 Adult S.H. Hind vc57_danes_bc_data LC000334001COVFP

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