Monopsis obviella - Belper 8/10/2021 Dave Evans
12.038 BF229  – Yellow-backed Detritus Moth  – Monopis obviella  – ([Denis & Schiffermüller], 1775)
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   >>  Tineidae  >> Tineinae
Other Name/s: Yellow-backed Clothes Moth
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Monopis crocicapitella
ID pointers: A  golden yellow head, with a dark brown or blackish brown forewing that has a scattering of golden yellow scales. An obvious pale whitish central spot in forewing. A prominent pale yellow stripe down the dorsum bordering the central pale yellow band on thorax. Hind wing is dark greyish with a purplish sheen. Generally smaller than similar M.crocicapitella.
Distribution:  (Last record: 7 July 2023 at Long Eaton )  –  Unknown in Derbyshire with only 13 reported records between 2012 – 2023.  Suspect widespread just simply under-recorded. Very difficult to tell apart from Monopis crocicapitella.
General Comment: None
Flight Period: May /  June /  July /  August /  September /  October –  On the wing in May – October 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: 10-13mm
Food Plant: animal and plant detritus, especially woollen materials.
Last Recorded Year: 2023
Last Recorded By – Marion Bryce
Last Recorded General Area – Long Eaton

Selected Images:  Belper – 8/10/2021 – Dave Evans©



Temporal Distribution Chart
Adults: (between 2006 - 2025)  |  Immatures: (between 2025 - 2025)
(click legend below to show/hide datasets)
 

Distribution Map for Monopis obviella

Found 31 records
    ↳ from 2026+
    ↳ 20 from 2020 - 2025
    ↳ 11 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 – Monopis obviella

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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: Monopis obviella
( data includes both Larvae and Adult Stages )

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

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

Hectad (10kmx10km) Coverage: Monopis obviella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Monopis obviella

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 - Monopis obviella – 31 records available

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

Site NameTetradDateCountStageRecorderSourceRecordKey
BelperSK34U19/09/20251adultEvans, Davevc57_irecords_extractiBRC45469456
BelperSK34U18/09/20251pupaEvans, Davevc57_irecords_extractiBRC45469403
Midway, Derbys.SK32A18/09/20251adultWilliams, Michaelvc57_irecords_extractiBRC45485932
Ingleby Ave, DerbySK33L14/07/20251adultShervill, Andrewvc57_irecords_extractiBRC43505756
Chaddesden GardenSK33T21/06/20251adultloverock, neilvc57_irecords_extractiBRC42660942
Midway, Derbys.SK32A19/06/20251adultWilliams, Michaelvc57_irecords_extractiBRC42543073
upper cromford gardenSK25Y11/06/20251adultAshton, Clivevc57_irecords_extractiBRC42212920
BelperSK34N11/06/20251adultEvans, Davevc57_irecords_extractiBRC42267881
Midway, Derbys.SK32A10/08/20242adultWilliams, Michaelvc57_irecords_extractiBRC39954728
Midway, Derbys.SK32A03/08/20241adultWilliams, Michaelvc57_irecords_extractiBRC39954676
Midway, Derbys.SK32A18/07/20241adultWilliams, Michaelvc57_irecords_extractiBRC39954534
King's NewtonSK32Y12/05/20241adultSoar, Willvc57_irecords_extractiBRC40386406
Woodland AveSK43R17/06/20221AdultThorpe, Stevevc57_irecords_extractiBRC27846437
BelperSK34U08/10/20211adultEvans, Davevc57_irecords_extractiBRC35557664
Woodland AveSK43R26/10/20201adultThorpe, Stevevc57_irecords_extractiBRC33502396
Woodland AveSK43R29/07/20201adultThorpe, Stevevc57_irecords_extractiBRC33501768
Woodland AveSK43R02/06/20201adultThorpe, Stevevc57_irecords_extractiBRC33500880
Woodland AveSK43R30/05/20201adultThorpe, Stevevc57_irecords_extractiBRC33500846
Woodland AveSK43R28/05/20201adultThorpe, Stevevc57_irecords_extractiBRC33500798
Findern, Derbyshire, DEAZSK33A25/05/20201adultBrian and Jean Hallamvc57_irecords_extractiBRC35162415
Backgarden MarehaySK34Z20/07/20161adultThorpe, Stevevc57_irecords_extractiBRC33504678
Backgarden MarehaySK34Z21/06/20161adultThorpe, Stevevc57_irecords_extractiBRC33504619
Backgarden MarehaySK34Z16/06/20151adultThorpe, Stevevc57_irecords_extractiBRC33505415
Backgarden MarehaySK34Z19/06/20121adultThorpe, Stevevc57_irecords_extractiBRC33510266
Bamford St,RipleySK34Z19/06/20121AdultThorpe, Stevevc57_danes_bc_dataLC000334001COU9R
Hardhurst Rd, Alvaston, DerbySK33W30/06/20102AdultI. Gardlervc57_danes_bc_dataLC000334001COX5C
Hardhurst Rd, Alvaston, DerbySK33W29/06/20101AdultI. Gardlervc57_danes_bc_dataLC000334001COT85
Hardhurst Rd, Alvaston, DerbySK33W21/06/20101AdultI. Gardlervc57_danes_bc_dataLC000334001COZBR
Hardhurst Rd, Alvaston, DerbySK33W14/06/20101AdultI. Gardlervc57_danes_bc_dataLC000334001COX4L
Hardhurst Rd, Alvaston, DerbySK33W05/06/20101AdultI. Gardlervc57_danes_bc_dataLC000334001CP5B4
Edgecote Drive,Newhall,SwadlincoteSK22V09/09/20061AdultTopliss, Neilvc57_danes_bc_dataLC000334001CP3M0

 
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