Apomyelois ceratoniae       Assara terebrella
62.042 BF1458  –  Pyralidae –  Phycitinae – Myelois circumvoluta – Thistle Ermine – (Fourceroy, 1785) Adult Micro:  CAT 2 – Can be confused with other species –       PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Blue –  Generally Common / Widespread   
Taxonomy:   Micro   >>  Pyralidae  >> Phycitinae
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Yponomeutidae family
ID pointers: Very similar to the Yponomeutidae family, but has no black spots on the thorax and a white fringe on the hind-wing. Forewing a glossy silvery white, with a scattering of variably sized black spots. Larger spots usually nearer to the wing base.
Distribution:  Probably a well established species in the county, wherever there are Thistles.
General Comment: None Flight Period: June /  July –  On the wing during June – July. 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: 27-33mm
 Food Plant: Thistle.
Specific Recorded History Dates for Common [Blue code Blue-coded] moths is not displayed/updated in this tab. However, all verified records for this moth are listed in the RECORDS tab below.
Selected Images:  Belper, Derbyshire – Dave Evans©

Myelois circumvoluta - Thistle Ermine - Dave Evans
Myelois circumvoluta – Thistle Ermine – Dave Evans
Myelois circumvoluta - Thistle Ermine - Dave Evans


Image Gallery

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Distribution Map for Myelois circumvoluta

Found 200 records
    ↳ from 2026+
    ↳ 56 from 2020 - 2025
    ↳ 144 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 – Myelois circumvoluta

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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: Myelois circumvoluta
( data includes both Larvae and Adult Stages )

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


First/Last Recorded Dates: Myelois circumvoluta
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: Myelois circumvoluta
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Myelois circumvoluta
AGR: -0.86%   |   Total % Change: -16.7%

Hectad (10kmx10km) Coverage: Myelois circumvoluta
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Myelois circumvoluta
( 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 - Myelois circumvoluta – 200 records available

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

Site NameTetradDateCountStageSource
Chaddesden, DerbySK33T03/07/20251adultvc57_irecords_extract
Findern, DerbyshireSK33A12/06/20251adultvc57_irecords_extract
Woodland AveSK43R06/06/20251adultvc57_irecords_extract
Chaddesden, DerbySK33T31/05/20251adultvc57_irecords_extract
upper cromford gardenSK25Y29/05/20251adultvc57_irecords_extract
Birch ValeSK08I23/05/20251adultvc57_irecords_extract
Glapwell Garden TrapSK46T28/07/20241adultvc57_irecords_extract
Glapwell Garden TrapSK46T22/07/20241adultvc57_irecords_extract
Stonebroom.SK45E20/07/20241adultvc57_irecords_extract
Sandiacre GardenSK43T20/07/20241adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A17/07/20241adultvc57_irecords_extract
StonebroomSK45E15/07/20241adultvc57_irecords_extract
Sandiacre GardenSK43T27/06/20241adultvc57_irecords_extract
Markham Vale South TipSK47K26/06/20241adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z24/06/20241Adultvc57_irecords_extract
Staveley DerbyshireSK47H13/07/20231adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z02/07/20231Adultvc57_irecords_extract
Woodland AveSK43R23/06/20231adultvc57_irecords_extract
SandiacreSK43T23/06/20231adultvc57_irecords_extract
Long Eaton - Marlborough RoadSK43X23/06/20231Adultvc57_irecords_extract
Staveley DerbyshireSK47H21/06/20231adultvc57_irecords_extract
Findern GardenSK33A19/06/20232Adultvc57_irecords_extract
Wensleydale Road, Long EatonSK43R17/06/20231adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z16/06/20232Adultvc57_irecords_extract
SandiacreSK43T11/06/20231adultvc57_irecords_extract
Birch ValeSK08I17/07/20221adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A11/07/20221adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A08/07/20221adultvc57_irecords_extract
Staveley DerbyshireSK47H02/07/20221adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A01/07/20221adultvc57_irecords_extract
Birch ValeSK08I28/06/20221adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z22/06/20221Adultvc57_irecords_extract
Staveveley DerbyshireSK47H20/06/20221adultvc57_irecords_extract
Long Eaton , Wensleydale RoadSK43R16/06/20223adultvc57_irecords_extract
Woodland AveSK43R15/06/20224Adultvc57_irecords_extract
Woodland AveSK43R12/06/20222Adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A07/07/20211adultvc57_irecords_extract
Woodland AveSK43R02/07/20212adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z02/07/20211adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A26/06/20211adultvc57_irecords_extract
Birch ValeSK08I23/06/20211Adultvc57_irecords_extract
Woodland AveSK43R15/06/20212adultvc57_irecords_extract
Allestree, DerbySK33P14/06/20211adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A13/06/20212adultvc57_irecords_extract
Woodland AveSK43R11/06/20211adultvc57_irecords_extract
Woodland AveSK43R02/06/20211adultvc57_irecords_extract
Marlborough Road, Long Eaton, DerbysSK43X07/08/20201adultvc57_irecords_extract
The Mays, Malthouse Lane, FroggattSK27N30/07/20201adultDanes_2019-2021
Main Street, Kings NewtonSK32Y14/07/20201Adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A12/07/20201adultvc57_irecords_extract
Woodland AveSK43R24/06/20202adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A15/06/20201adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z13/06/20201adultvc57_irecords_extract
Woodland AveSK43R02/06/20201adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A02/06/20201adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z29/05/20201adultvc57_irecords_extract
Back Lane, GlapwellSK46T29/07/20191adultDanes_2019-2021
Marlborough Road, Long Eaton, DerbysSK43X23/07/20191adultvc57_irecords_extract
Norton LeesSK38L18/07/20191adultDanes_2019-2021
Main Street, Kings NewtonSK32Y17/07/20191Adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y15/07/20193Adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A09/07/20191adultvc57_irecords_extract
Hathersage, Derbyshire, UKSK28F07/07/20191adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A05/07/20191adultvc57_irecords_extract
BelperSK34U05/07/20191adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z04/07/20191adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z28/06/20191adultvc57_irecords_extract
Hathersage, Derbyshire, UKSK28F17/06/20191adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A09/06/20191adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z01/06/20191adultvc57_irecords_extract
Findern, Derbyshire, DEAZSK33A01/06/20191adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y03/07/20171Adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z19/06/20172adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y01/06/20171Adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y31/05/20171Adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z26/05/20171adultvc57_irecords_extract
Backgarden MarehaySK34Z20/07/20161adultvc57_irecords_extract
Shirland - Hallfieldgate LaneSK35Z15/07/20161Adultvc57_irecords_extract
Jim Mart Nature ReserveSK36S06/07/20161Adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y27/06/20161Adultvc57_irecords_extract
Backgarden MarehaySK34Z18/06/20141adultvc57_irecords_extract
The Mays,Malthouse Lane,FroggattSK27N25/07/20131Adultvc57_danes_bc_data
Burnaston (Toyota Plant NR), DerbySK23V20/07/20131Adultvc57_danes_bc_data
Lang Rd, Alvaston, DerbySK33R05/07/20131Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R11/08/20111Adultvc57_danes_bc_data
School Close,Parkway Gardens,Darley DaleSK26R20/07/20111Adultvc57_danes_bc_data
School Close,Parkway Gardens,Darley DaleSK26R11/07/20111Adultvc57_danes_bc_data
School Close,Parkway Gardens,Darley DaleSK26R03/07/20111Adultvc57_danes_bc_data
Newboundmill Lane,PleasleySK56C26/06/20111Adultvc57_danes_bc_data
Backgarden MarehaySK34Z02/06/20111adultvc57_irecords_extract
Bamford St,RipleySK34Z02/06/20111Adultvc57_danes_bc_data
Marlborough Rd,Long EatonSK43X17/08/20101Adultvc57_danes_bc_data
DovedaleSK15K25/07/20101Adultvc57_danes_bc_data
Back Lane,GlapwellSK46T24/07/20101Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S11/07/20101Adultvc57_danes_bc_data
Rose Av,ClowneSK57D05/07/20101Adultvc57_danes_bc_data
Back Lane,GlapwellSK46T24/06/20101Adultvc57_danes_bc_data
DovedaleSK15K07/06/20101Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y15/07/20091Adultvc57_irecords_extract
DovedaleSK15K05/07/20091Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R02/07/20093Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S26/06/20091Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R25/06/20091Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S25/06/20091Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R24/06/20091Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R22/06/20091Adultvc57_danes_bc_data
Bristol Rd,IlkestonSK44R13/06/20091Adultvc57_danes_bc_data
Briar Close,Newhall,SwadlincoteSK22V12/06/20091Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S27/07/20081Adultvc57_danes_bc_data
Foremark Resr, TicknallSK32H25/07/20081Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S23/07/20081Adultvc57_danes_bc_data
Glossop (Shire Hill Quarry)SK09M22/07/20081Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S13/07/20081Adultvc57_danes_bc_data
Midway Rd,Midway,SwadlincoteSK32A12/07/20081Adultvc57_danes_bc_data
Bristol Rd,IlkestonSK44R28/06/20081Adultvc57_danes_bc_data
The Mays,Malthouse Lane,FroggattSK27N09/06/20081Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S08/06/20081Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S28/07/20071Adultvc57_danes_bc_data
Pleasley Pit (run-off pools)SK46X28/07/20071Adultvc57_danes_bc_data
Melbourne, DerbyshireSK32X16/07/20071adultvc57_irecords_extract
Spinney Hill,MelbourneSK32X16/07/20071Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y14/07/20071Adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y08/07/20073Adultvc57_irecords_extract
Bristol Rd,IlkestonSK44R17/06/20071Adultvc57_danes_bc_data
Pleasley Pit (Orchid patch)SK46X17/06/20071Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y11/06/20072Adultvc57_irecords_extract
Briar Close,Newhall,SwadlincoteSK22V11/06/20071Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S11/06/20071Adultvc57_danes_bc_data
Newboundmill Lane,PleasleySK56C11/06/20071Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y09/06/20072Adultvc57_irecords_extract
Ault Hucknall,GlapwellSK46S09/06/20072Adultvc57_danes_bc_data
Henmore Valley,HognastonSK25F09/06/20076Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R09/06/20071Adultvc57_danes_bc_data
Newboundmill Lane,PleasleySK56C03/06/20071Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S24/05/20071Adultvc57_danes_bc_data
Pleasley Pit NR (Pit Buildings)SK46X05/08/20064Adultvc57_danes_bc_data
Ladycroft Ave,BuxtonSK07S05/08/20061Adultvc57_danes_bc_data
Carsington Resr (Rangers' Base)SK25K28/07/20063Adultvc57_danes_bc_data
Carsington Resr (Rangers' Base)SK25K26/07/20061Adultvc57_danes_bc_data
Ladycroft Ave,BuxtonSK07S22/07/20061Adultvc57_danes_bc_data
Midway Rd,Midway,SwadlincoteSK32A21/07/20061Adultvc57_danes_bc_data
Ladycroft Ave,BuxtonSK07S21/07/20061Adultvc57_danes_bc_data
Spinney Hill,MelbourneSK32X21/07/20062Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S19/07/20061Adultvc57_danes_bc_data
Carsington Resr (Rangers' Base)SK25K17/07/20065Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S16/07/20061Adultvc57_danes_bc_data
Spinney Hill,MelbourneSK32X07/07/20061Adultvc57_danes_bc_data
Midway Rd,Midway,SwadlincoteSK32A01/07/20061Adultvc57_danes_bc_data
Ladycroft Ave,BuxtonSK07S01/07/20061Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R01/07/20061Adultvc57_danes_bc_data
Melbourne, DerbyshireSK32X30/06/20061adultvc57_irecords_extract
Spinney Hill,MelbourneSK32X30/06/20061Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S30/06/20061Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R29/06/20061Adultvc57_danes_bc_data
Main St,Kings Newton,MelbourneSK32Y23/06/20063Adultvc57_danes_bc_data
Midway Rd,Midway,SwadlincoteSK32A23/06/20061Adultvc57_danes_bc_data
Melbourne, DerbyshireSK32X21/06/20062adultvc57_irecords_extract
Midway Rd,Midway,SwadlincoteSK32A17/06/20061Adultvc57_danes_bc_data
Midway Rd,Midway,SwadlincoteSK32A16/06/20061Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S14/06/20061Adultvc57_danes_bc_data
Main St,Kings Newton,MelbourneSK32Y03/06/20061Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S14/07/20051Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y13/07/20051Adultvc57_irecords_extract
Main St,Kings Newton,MelbourneSK32Y13/07/20051Adultvc57_danes_bc_data
Westcroft Ave,Littleover,DerbySK33G09/07/20051Adultvc57_danes_bc_data
Pleasley Pit (Pit Buildings),PleasleySK46X09/07/20051Adultvc57_danes_bc_data
Hardwick Park, GlapwellSK46S08/07/20051Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S03/07/20051Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y27/06/20054Adultvc57_irecords_extract
Main St,Kings Newton,MelbourneSK32Y27/06/20054Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S27/06/20051Adultvc57_danes_bc_data
Westcroft Ave,Littleover,DerbySK33G17/06/20051Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S08/06/20051Adultvc57_danes_bc_data
Toyota Site, BurnastonSK23V28/07/20041Adultvc57_irecords_extract
Burnaston (Toyota Plant NR), DerbySK23V28/07/20041Adultvc57_danes_bc_data
Spinney Hill,MelbourneSK32X15/07/20041Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y13/07/20041Adultvc57_irecords_extract
Main St,Kings Newton,MelbourneSK32Y13/07/20041Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y14/06/20042Adultvc57_irecords_extract
Spinney Hill,MelbourneSK32X14/06/20041Adultvc57_danes_bc_data
Main St,Kings Newton,MelbourneSK32Y14/06/20042Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y13/06/20041Adultvc57_irecords_extract
Main St,Kings Newton,MelbourneSK32Y13/06/20041Adultvc57_danes_bc_data
Springfield Ave, SandiacreSK43S18/07/19991Adultvc57_danes_bc_data
Ivy Cottage, YoulgreaveSK26C27/07/19982Adultvc57_danes_bc_data
Calke Park (Betty's Pool - oaks nr pool), TicknallSK32R11/07/19971Adultvc57_danes_bc_data
Ticknall Limeyards (Open area), TicknallSK32L24/06/19971Adultvc57_danes_bc_data
Spinkhill (Church Meadow), KillamarshSK47P19/06/19971Adultvc57_danes_bc_data
Spinkhill, Killamarsh - translocationSK47P22/07/19961Adultvc57_danes_bc_data
Spinkhill (Church Meadow), KillamarshSK47P22/07/19961Adultvc57_danes_bc_data
Borrowash (Canal), Borrowash, DerbySK43C19/07/19961Adultvc57_danes_bc_data
btw canal & r.Erewash, IlkestonSK44S09/07/19961Adultvc57_danes_bc_data
Spinkhill (seeded plot), RenishawSK47P27/06/19961Adultvc57_danes_bc_data
Elvaston Park, Derby (site not precise)SK43B25/06/19941Adultvc57_danes_bc_data
Springfield Ave, SandiacreSK43S08/06/19931Adultvc57_danes_bc_data
Parkway, New MillsSK08D06/07/19911Adultvc57_danes_bc_data
Elvaston Park (Hall), DerbySK43B03/07/19871Adultvc57_danes_bc_data
Knighton St, Hepthorne Lane, North WingfieldSK46C15/07/19821Adultvc57_danes_bc_data
Repton (site not precise)SK32B23/07/19811Adultvc57_danes_bc_data
Repton (site not precise)SK32B01/07/19811Adultvc57_danes_bc_data

Apomyelois ceratoniae       Assara terebrella

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