Manchester Treble-bar       Lesser Treble-bar
70.192 BF1867  –  Geometridae –  Larentiinae – Aplocera plagiata – Treble-bar – (Linnaeus, 1758) Adult Macro:  CAT 2 – Can be confused with other species – Can be confused with other species       PDF Icon – click for Adult Macro Verification Guidelines
Green –  Rare / Uncommon / Scarce        day-flying – Day-flying
Taxonomy:   Macro   >>  Geometridae  >> Larentiinae
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Lesser Treble-bar
ID pointers: A large grey triangular shaped moth, with prominent black, diagonal cross-bands through the forewing. The cross-band nearest the wing base is angled at near 90° near leading edge and the angle is usually rounded and broad. The abdomen tip is pointed (In Lesser Treble-bar it is more rounded) There is also a brownish streak poitning angular towards the wing tip. (Confusion species – Lesser Treble-bar).
Distribution:  A resident species that is generally uncommon and locally distributed in Derbyshire. Most frequently found in the dales and occasionally is recorded across a wide-area of the south and east of the county. 
Flight Period: May /  June /  July /  August /  September /  –  On the wing May – September Moth Activity: Nocturnal   – but often seen by day Photographed: Yes –  Photographed By: Tony Davison  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 27-40mm
Forewing: 19-22mm Food Plant: St.John’s-wort.
Last Recorded By – Not Recorded
Last Recorded General Area – Not Recorded
Selected Images:  Melbourne, Derbyshire – Images by Tony Davison © 

70.192 BF1867 - Treble-bar - Geometridae - Aplocera plagiata
Treble-bar – Aplocera plagiata
70.192 BF1867 - Treble-bar - Geometridae - Aplocera plagiata
Treble-bar – Aplocera plagiata
70.192 BF1867 - Treble-bar - Geometridae - Aplocera plagiata
Treble-bar – Aplocera plagiata
70.192 BF1867 - Treble-bar - Geometridae - Aplocera plagiata
70.192 BF1867 - Treble-bar - Geometridae - Aplocera plagiata
70.192 BF1867 - Treble-bar - Geometridae - Aplocera plagiata


Image Gallery

Treble Bar - Melbourne - Tony Davison© Treble Bar - Melbourne - Tony Davison©

Distribution Map for Aplocera plagiata

Found 190 records
    ↳ 6 from After 2025
    ↳ 42 from 2020 - 2024
    ↳ 142 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 – Aplocera plagiata

⚠️ Please wait for the map to load fully – do not click the link shown.


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: Aplocera plagiata
( data includes both Larvae and Adult Stages )

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


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


CUSUM Analysis: Aplocera plagiata
About this chart: CUSUM (Cumulative Sum) charts track long-term trends in moth populations [ filtered by 'Adult' and 'Mine' life stages ] by showing whether each year’s counts are above or below the historical average. Even small shifts build up over time, making trends of growth, stability, or decline easier to see. CUSUM highlights trend-consistency — asking: “Across the years, have moth counts mostly stayed above or below average?”
The data sample has 4 gap year/s here (zero records) between 2000 and 2025. The moth may have been present in those gap years, but no data was available. Too many year-gaps may exaggerate or skew the chart.

Counts for the current year (2025) are pro-rated based on data available up to month 8 (August) to provide a full-year equivalent.

ⓘ Purple line rises = years better than average; falls = years worse than average.
Peak (best year) Trough (worst year) Growth periods Decline periods
Population peaked around 2001, reaching above average levels. The lowest population point occurred near 2019, showing a significant decline.

What the Y-axis "Cumulative Deviation" means: Cumulative Deviation shows the running total of how each year’s moth population count differs from the long-term average. i

Hectad (10kmx10km) Coverage: Aplocera plagiata
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Aplocera plagiata
( 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 2020-2025.

Records Behind the Map and Charts - Aplocera plagiata – 190 records available

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

Site NameTetradDateCountStageSource
Chaddesden, DerbySK33T11/08/20251adultvc57_irecords_extract
Melbourne, DerbyshireSK32X19/08/20251adultvc57_irecords_extract
Stoney Clouds, meadowSK43T23/08/20251adultvc57_irecords_extract
BelperSK34N25/08/20251adultvc57_irecords_extract
Staveley garden SYASK47H12/05/20251adultvc57_irecords_extract
Inkersall gardenSK47G17/05/20251adultvc57_irecords_extract
Stonebroom.SK45E07/09/20241adultvc57_irecords_extract
Staveley DerbyshireSK47H15/09/20241adultvc57_irecords_extract
King's NewtonSK32Y05/09/20241adultvc57_irecords_extract
Clocktower buisness centreSK47C19/08/20241adultvc57_irecords_extract
SandiacreSK43S15/08/20241adultvc57_irecords_extract
Staveley DerbyshireSK47H15/09/20231adultvc57_irecords_extract
Findern GardenSK33A04/09/20231Adultvc57_irecords_extract
Staveley DerbyshireSK47H14/08/20231adultvc57_irecords_extract
Woodland AveSK43R19/08/20231adultvc57_irecords_extract
Belper GardenSK34P20/08/20231adultvc57_irecords_extract
SandiacreSK43T20/08/20231adultvc57_irecords_extract
DWT Wyver LaneSK35K21/08/20231adultvc57_irecords_extract
Marlborough Road, Long Eaton, DerbysSK43X10/06/20232adultvc57_irecords_extract
Toyota UK Burnaston Meadow - SSK23V14/06/20232Adultvc57_irecords_extract
Toyota UK Burnaston Meadow - SSK23V14/06/20232Adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X10/06/20232Adultvc57_irecords_extract
Staveley DerbyshireSK47H14/05/20231adultvc57_irecords_extract
Woodside Farm DWTSK44M22/05/20235adultvc57_irecords_extract
Toyota UK Burnaston Meadow - SSK23V18/05/20233Adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X26/05/20231Adultvc57_irecords_extract
Staveley DerbyshireSK47H19/08/20221adultvc57_irecords_extract
Staveley DerbyshireSK47H23/08/20221adultvc57_irecords_extract
Woodland AveSK43R23/08/20221adultvc57_irecords_extract
SandiacreSK43T10/06/20221adultvc57_irecords_extract
Not givenSK43X19/05/20222Adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X19/05/20221Adultvc57_irecords_extract
SandiacreSK43T22/05/20221adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X02/09/20211Adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X19/08/20211Adultvc57_irecords_extract
Kirk Hallam, IlkestonSK44K31/08/20211adultvc57_irecords_extract
Ladycroft Ave, BuxtonSK07S25/07/20211adultvc57_irecords_extract
Kirk Hallam, IlkestonSK44K22/05/20211adultvc57_irecords_extract
Marlborough Road, Long Eaton, DerbysSK43X23/08/20201adultvc57_irecords_extract
Forbes Hole LNRSK43W23/08/20202adultvc57_irecords_extract
Former Staveley Chemical Works, Staveley [centroid]SK47H24/08/20201Adultvc57_irecords_extract
Kings Newton FieldsSK32Y27/08/20201Adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y17/08/20201Adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X22/08/20201Adultvc57_irecords_extract
Former Saint-Gobain Pipeworks, Staveley [centroid]SK47C15/06/20201Adultvc57_irecords_extract
Marlborough Road, Long Eaton, DerbysSK43X18/05/20201adultvc57_irecords_extract
Nottingham road, DerbySK33Y28/05/20202adultvc57_irecords_extract
High St (Londis shop), New Whittington, ChesterfieldSK37X30/05/20201adultDanes_2019-2021
Marlborough Road, Long Eaton, DerbysSK43X01/06/20191adultvc57_irecords_extract
Marlborough Road, Long Eaton, DerbysSK43X07/06/20191not recordedvc57_irecords_extract
Main Street, Kings NewtonSK32Y02/09/20181Adultvc57_irecords_extract
Marlborough Road, Long EatonSK43X17/09/20181adultvc57_irecords_extract
Trowell Marsh LNRSK43U07/07/20181adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X18/05/20181Adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X28/05/20171Adultvc57_irecords_extract
Greenwood Centre, TotonSK43X23/07/20161not recordedvc57_irecords_extract
Briar Close,Newhall,SwadlincoteSK22V08/08/20141Adultvc57_danes_bc_data
Briar Close,Newhall,SwadlincoteSK22V08/08/20141Adultvc57_danes_bc_data
Peak Dale, BuxtonSK07X02/07/20141Adultvc57_irecords_extract
Hardhurst Rd, Alvaston, DerbySK33W23/07/20141Adultvc57_danes_bc_data
Long Eaton - Marlborough RoadSK43X14/06/20141Adultvc57_irecords_extract
Longsidings quarrySK07X28/06/20141adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X05/09/20131Adultvc57_irecords_extract
The Old Manse, Ault Hucknall, GlapwellSK46S13/09/20131Adultvc57_danes_bc_data
The Old Manse, Ault Hucknall, GlapwellSK46S27/09/20131Adultvc57_danes_bc_data
The Old Manse, Ault Hucknall, GlapwellSK46S26/09/20131Adultvc57_danes_bc_data
The Old Manse, Ault Hucknall, GlapwellSK46S26/09/20131Adultvc57_danes_bc_data
The Old Manse, Ault Hucknall, GlapwellSK46S13/09/20131Adultvc57_danes_bc_data
The Old Manse, Ault Hucknall, GlapwellSK46S27/09/20131Adultvc57_danes_bc_data
Long Eaton - Marlborough RoadSK43X23/08/20131Adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y21/08/20131Adultvc57_irecords_extract
The Hollies,Holly St,Stapenhill,Burton on TrentSK22K29/08/20131Adultvc57_danes_bc_data
The Hollies,Holly St,Stapenhill,Burton on TrentSK22K29/08/20131Adultvc57_danes_bc_data
Long Eaton - Marlborough RoadSK43X15/09/20121Adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X08/09/20121Adultvc57_irecords_extract
Drakelow NR,Burton on TrentSK22F25/08/20121Adultvc57_danes_bc_data
Backgarden MarehaySK34Z17/06/20121adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X02/06/20121Adultvc57_irecords_extract
Bamford St,RipleySK34Z17/06/20121Adultvc57_danes_bc_data
Long Eaton - Marlborough RoadSK43X15/09/20111Adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X01/09/20112Adultvc57_irecords_extract
Marlborough Rd,Long EatonSK43X15/09/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X01/09/20112Adultvc57_danes_bc_data
Briar Close,Newhall,SwadlincoteSK22V08/09/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X01/09/20112Adultvc57_danes_bc_data
Briar Close,Newhall,SwadlincoteSK22V08/09/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X15/09/20111Adultvc57_danes_bc_data
The Hollies,Holly St,Stapenhill,Burton on TrentSK22K11/08/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X29/08/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X29/08/20111Adultvc57_danes_bc_data
Kingsbury Rd, DerbySK33I16/07/20111Adultvc57_danes_bc_data
Forbes Hole NR,Long EatonSK43W18/07/20111Adultvc57_danes_bc_data
Kingsbury Rd, DerbySK33I16/07/20111Adultvc57_danes_bc_data
Hardhurst Rd, Alvaston, DerbySK33W27/07/20111Adultvc57_danes_bc_data
Briar Close,Newhall,SwadlincoteSK22V02/06/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X23/06/20113Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X23/06/20113Adultvc57_danes_bc_data
Briar Close,Newhall,SwadlincoteSK22V02/06/20111Adultvc57_danes_bc_data
Marlborough Road, Long Eaton, DerbysSK43X07/05/20112adultvc57_irecords_extract
Marlborough Road, Long Eaton, DerbysSK43X20/05/20111adultvc57_irecords_extract
Backgarden MarehaySK34Z10/05/20111adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X20/05/20111Adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X07/05/20112Adultvc57_irecords_extract
Marlborough Rd,Long EatonSK43X18/05/20111Adultvc57_danes_bc_data
Bamford St,RipleySK34Z10/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X07/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X08/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X17/05/20111Adultvc57_danes_bc_data
The Hollies,Holly St,Stapenhill,Burton on TrentSK22K19/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X19/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X20/05/20111Adultvc57_danes_bc_data
Midland St,Long Eaton (rail embankment)SK43X31/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X08/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X17/05/20111Adultvc57_danes_bc_data
Hardhurst Rd, Alvaston, DerbySK33W06/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X19/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X18/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X07/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X20/05/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X04/09/20101Adultvc57_danes_bc_data
DovedaleSK15K19/09/20101Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X12/09/20101Adultvc57_danes_bc_data
Drakelow NR (Minton's Lagoon), Burton on TrentSK22F01/09/20101Adultvc57_danes_bc_data
Drakelow NR (Minton's Lagoon), Burton on TrentSK22F01/09/20101Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X02/08/20101Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X09/06/20101Adultvc57_danes_bc_data
Lancaster Ave,SandiacreSK43S12/06/20101Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X15/06/20101Adultvc57_danes_bc_data
Ladycroft Ave,BuxtonSK07S11/09/20091Adultvc57_danes_bc_data
Drakelow NR (car park),Burton on TrentSK22F18/09/20091Adultvc57_danes_bc_data
Ladycroft Ave, BuxtonSK07S11/09/20091Adultvc57_danes_bc_data
Drakelow NR (car park),Burton on TrentSK22F18/09/20091Adultvc57_danes_bc_data
Hardhurst Rd, Alvaston, DerbySK33W17/08/20091Adultvc57_danes_bc_data
DovedaleSK15K14/06/20092Adultvc57_danes_bc_data
Gallows Inn Close,IlkestonSK44Q12/06/20091Adultvc57_danes_bc_data
DovedaleSK15K14/06/20091Adultvc57_danes_bc_data
Drakelow NR (car park),Burton on TrentSK22F29/08/20081Adultvc57_danes_bc_data
Drakelow NR (car park),Burton on TrentSK22F29/08/20081Adultvc57_danes_bc_data
Oaks Barn Cottage, Monyash Rd, Over Haddon, BakewellSK26D08/09/20071Adultvc57_danes_bc_data
Drakelow NR,Burton on TrentSK22F08/09/20071Adultvc57_danes_bc_data
Drakelow NR,Burton on TrentSK22F08/09/20071Adultvc57_danes_bc_data
Pleasley Pit NR (Woodyard)SK46X11/08/20071Adultvc57_danes_bc_data
Lowes Hill,RipleySK35V27/08/20071Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S09/08/20071Adultvc57_danes_bc_data
Drayton Ave,Mackworth,DerbySK33D01/08/20051Adultvc57_danes_bc_data
Drayton Ave,Mackworth,DerbySK33D01/08/20051Adultvc57_danes_bc_data
Melbourne, DerbyshireSK32X04/09/20041adultvc57_irecords_extract
Spinney Hill,MelbourneSK32X04/09/20041Adultvc57_danes_bc_data
Pleasley Pit (old pit head bath site)SK46X06/08/20041Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y13/06/20041Adultvc57_irecords_extract
Main St,Kings Newton,MelbourneSK32Y13/06/20041Adultvc57_danes_bc_data
Wood Lane,Newhall,SwadlincoteSK22V06/08/20031Adultvc57_danes_bc_data
Wood Lane, Newhall, SwadlincoteSK22V06/08/20031Adultvc57_danes_bc_data
Gallows Inn Close,IlkestonSK44Q11/08/20011Adultvc57_danes_bc_data
Gallows Inn Close,IlkestonSK44Q03/08/20011Adultvc57_danes_bc_data
Gallows Inn Close,IlkestonSK44Q28/05/20012Adultvc57_danes_bc_data
Wilmot St, Sawley, Long EatonSK43R30/09/20001Adultvc57_danes_bc_data
Wilmot St, Sawley, Long EatonSK43R30/09/20001Adultvc57_danes_bc_data
Gallows Inn Close,IlkestonSK44Q12/08/20001Adultvc57_danes_bc_data
School Close,Parkway Gardens,Darley DaleSK26R20/05/19991Adultvc57_danes_bc_data
Gallows Inn Close,IlkestonSK44Q01/05/19991Adultvc57_danes_bc_data
Sawley Tip siteSK43V06/06/19951Adultvc57_danes_bc_data
Coombs Dale,Stoney MiddletonSK27H20/07/19911Adultvc57_danes_bc_data
Coombs Dale,Stoney MiddletonSK27H20/07/19911Adultvc57_danes_bc_data
Skinner St, Creswell, WorksopSK57H08/08/19881Adultvc57_danes_bc_data
Skinner St, Creswell, WorksopSK57H13/08/19881Adultvc57_danes_bc_data
Lock Lane Tip, Sawley, Long EatonSK43V04/07/19871adultvc57_irecords_extract
Knighton St, Hepthorne Lane, North WingfieldSK46C15/09/19823Adultvc57_danes_bc_data
Knighton St, Hepthorne Lane, North WingfieldSK46C13/09/19825Adultvc57_danes_bc_data
Knighton St, Hepthorne Lane, North WingfieldSK46C19/09/19823Adultvc57_danes_bc_data
Knighton St, Hepthorne Lane, North WingfieldSK46C01/08/19821Adultvc57_danes_bc_data
Knighton St, Hepthorne Lane, North WingfieldSK46C06/08/19822Adultvc57_danes_bc_data
Knighton St, Hepthorne Lane, North WingfieldSK46C18/07/19824Adultvc57_danes_bc_data
Knighton St, Hepthorne Lane, North WingfieldSK46C25/07/19823Adultvc57_danes_bc_data
Knighton St, Hepthorne Lane, North WingfieldSK46C28/07/19821Adultvc57_danes_bc_data
Linacre Resrs, Chesterfield (site not precise)SK37G13/08/19781Adultvc57_danes_bc_data
Linacre Resrs, Chesterfield (site not precise)SK37G13/08/19781Adultvc57_danes_bc_data
Linacre Resrs, Chesterfield (site not precise)SK37G28/07/19781Adultvc57_danes_bc_data
Linacre Resrs, Chesterfield (site not precise)SK37G28/07/19781Adultvc57_danes_bc_data
Askew Grove, ReptonSK32D11/06/19761Adultvc57_danes_bc_data
Askew Grove, ReptonSK32D11/06/19761Adultvc57_danes_bc_data
Askew Grove, ReptonSK32D24/08/19751Adultvc57_danes_bc_data
Askew Grove, ReptonSK32D24/08/19751Adultvc57_danes_bc_data
Hopton Wood Quarry (site not precise)SK25M04/07/19701Adultvc57_danes_bc_data
Welbeck Rd, BolsoverSK47Q30/08/19691Adultvc57_danes_bc_data
The Old Manse, Ault Hucknall, GlapwellSK46S13/07/19684Adultvc57_danes_bc_data
Berry St, Hepthorne Lane, North WingfieldSK46C09/08/19671Adultvc57_danes_bc_data
Berry St, Hepthorne Lane, North WingfieldSK46C15/06/19671Adultvc57_danes_bc_data
Beeley Plantation, Bakewell (site not precise)SK26T06/08/19571Adultvc57_danes_bc_data
Beeley Plantation, Beeley (site not precise)SK26T06/08/19571Adultvc57_danes_bc_data

Manchester Treble-bar       Lesser Treble-bar

Copyright Tony Davison © 2025 www.derbyshiremoths.org

Scroll to Top