73.010 BF2436 – Dewick's Plusia – Macdunnoughia confusa – (Stephens, 1850)
Adult Macro: CAT 3 – Difficult to identify – Quality set of photographs required – 
– click for Adult Macro Verification Guidelines
– click for Adult Macro Verification Guidelines
– Significant Record / Very Rare / Vagrant 
– Migrant
– care required in the identification process, as confusion with similar species is likely – quality photographs required. Confusion Species: Golden Twin-spot; Gold Spangle
ID pointers: Unmistakable. Easily recognised by large metallic silver ‘dog-leg’ mark in the centre of a pinkish-brown bar on the forewing.
Distribution: (First record: 2 September 2022 at Breaston ) – (Last record: 3 August 2025 at Cromford ) – Latest Record – September 2024 – A new species for Derbyshire 2022 – This moth is a rare migrant and possibly a new colonist to Britain, from continental Europe, being recorded less than 400 times. The first Derbyshire record was discovered in a Breaston garden moth trap on Friday 2nd September 2022. The second county record was from Haddon Hall on 10 August 2023 and then another specimen trapped over-night on 17/18th August 2023 by Dave Evans in his Belper garden. During August to October of 2023 an incredible 9 individuals were recorded, 1 from Haddon Hall, 2 from Belper, 3 from Sandiacre and 3 from Long Eaton. Another record of this species from Belper on 1st September 2024
General Comment: None *** Last updated on 12 January 2026 by TD ***
Forewing: 12-17mm
Last Recorded Year: 2025
Last Recorded By – Clive Ashton
Last Recorded General Area – Cromford
Selected Images: Belper, Derbyshire – Dave Evans © / Breaston, Derbyshire – Steve Thorpe © / Cromford (aug2025) Clive Ashton©
Image Gallery
Temporal Distribution Chart
Adults: (between 2022 - 2025)
(click legend below to show/hide datasets)
Distribution Map for Macdunnoughia confusa
Found 16 records
↳ from 2026+
↳ 16 from 2020 - 2025
↳ from Before 2020
↳ from 2026+
↳ 16 from 2020 - 2025
↳ from Before 2020
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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 – Macdunnoughia confusa
⚠️ 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.
Monthly Records By Year:
Macdunnoughia confusa
( data includes both Larvae and Adult Stages )
Monthly Counts By Year:
Macdunnoughia confusa
( data is based on 'Adult' stage records only )
First/Last Recorded Dates: Macdunnoughia confusa
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: Macdunnoughia confusa
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Macdunnoughia confusa
AGR: 0% | Total % Change: 0%
Hectad (10kmx10km) Coverage: Macdunnoughia confusa
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Macdunnoughia confusa
Macdunnoughia confusa
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 - Macdunnoughia confusa – 16 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Recorder | Source | RecordKey |
|---|---|---|---|---|---|---|---|
| upper cromford garden | SK25Y | 06/09/2025 | 1 | adult | Ashton, Clive | vc57_irecords_extract | iBRC45402541 |
| Belper, Derbyshire | SK34N | 05/09/2025 | 1 | adult | Newcombe, Dave | vc57_irecords_extract | iBRC50610729 |
| Midway, Derbys. | SK32A | 24/08/2025 | 1 | adult | Williams, Michael | vc57_irecords_extract | iBRC44789171 |
| Chaddesden Garden | SK33T | 18/08/2025 | 1 | adult | loverock, neil | vc57_irecords_extract | iBRC44581954 |
| upper cromford garden | SK25Y | 17/08/2025 | 1 | adult | Ashton, Clive | vc57_irecords_extract | iBRC44762956 |
| Belper | SK34N | 11/08/2025 | 1 | adult | Evans, Dave | vc57_irecords_extract | iBRC44395291 |
| upper cromford garden | SK25Y | 03/08/2025 | 1 | adult | Ashton, Clive | vc57_irecords_extract | iBRC44153247 |
| Belper | SK34U | 26/07/2025 | 1 | adult | Evans, Dave | vc57_irecords_extract | iBRC43914591 |
| upper cromford garden | SK25Y | 25/07/2025 | 1 | adult | Ashton, Clive | vc57_irecords_extract | iBRC43851484 |
| Belper | SK34N | 01/09/2024 | 1 | adult | Evans, Dave | vc57_irecords_extract | iBRC38285039 |
| Allestree, Derby | SK33P | 08/10/2023 | 1 | adult | Plant, Stephen | vc57_irecords_extract | iBRC46329915 |
| Sandiacre | SK43T | 08/10/2023 | 2 | adult | Milnes, Emily | vc57_irecords_extract | iBRC34681353 |
| Sandiacre | SK43T | 23/09/2023 | 1 | adult | Milnes, Emily | vc57_irecords_extract | iBRC34667748 |
| Stonebroom | SK45E | 16/09/2023 | 1 | adult | Bradley, Jonathan | vc57_irecords_extract | iBRC35418664 |
| Belper | SK34N | 18/08/2023 | 1 | adult | Evans, Dave | vc57_irecords_extract | iBRC35297173 |
| Woodland Ave | SK43R | 02/09/2022 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33495272 |