73.010 BF2436 - Dewick's Plusia - Noctuidae - Macdunnoughia confusa

73.010 BF2436 – Noctuidae – Plusinae – Macdunnoughia confusa – Dewick's Plusia

Adult Macro: CAT 1 – Distinctive species unlikely to be confused with others –

– click for Adult Macro Verification Guidelines

– Significant Record / Very Rare / Vagrant – Migrant

Taxonomy: Macro >> Noctuidae >> Plusinae

ID Difficulty: green

– easy to identify, generally distinctive and unlikely to be confused with other species.

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: 02/09/2022 ) – (Last record: 01/09/2024 at Belper ) – 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

Flight Period: July / August / September / October / – On the wing July – October.

Moth Activity: Nocturnal – and is attracted to light

*** Last updated on 6 May 2025 by RP ***

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Wingspan: 32-38mm
Forewing: 12-17mm

Food Plant: Nettle (Urtica dioica).

Last Recorded Date: 01/09/2024

First Recorded Date: 02/09/2022

Last Recorded By – Dave Evans

Last Recorded General Area – Belper

IMAGES BELOW: Belper, Derbyshire – Dave Evans © / Breaston, Derbyshire – Steve Thorpe ©

Dewick’s Plusia – Noctuidae – Macdunnoughia confusa – Dave Evans – Belper 18th August 2023

Dewick’s Plusia – Macdunnoughia confusa – Steve Thorpe – Breaston 2nd September 2022

Dewick's Plusia - 1st September 2024 - Belper - Dave Evans©

Distribution Map for Macdunnoughia confusa

derbyshiremoths.org © makes no guarantee of accuracy of data used in these maps and charts – they are presented to you with best endeavours and the data behind them updated periodically as time permits. Historic records are being discovered all the time. These will be assessed, so once they are all verified, they will be incorporated onto the map and charts.

Found 6 records
    ↳ 0 from After 2025
    ↳ 6 from 2020 - 2024
    ↳ 0 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.

Monthly Records By Year: Macdunnoughia confusa

Monthly Counts By Year: Macdunnoughia confusa

Recordings By Year: Macdunnoughia confusa

Hectad (10kmx10km) Coverage: Macdunnoughia confusa

Flight Periods – Indicative –vs– Recorded Data
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 2020-2025.

Records Behind the Map and Charts - Macdunnoughia confusa – 6 records available

Listed by Year - descending

Taxon	Site Name	Tetrad	Year	Date	Count
Macdunnoughia confusa	Belper	SK34N	2024	01/09/2024	1
Macdunnoughia confusa	Belper	SK34N	2023	18/08/2023	1
Macdunnoughia confusa	Sandiacre	SK43T	2023	08/10/2023	2
Macdunnoughia confusa	Stonebroom	SK45E	2023	16/09/2023	1
Macdunnoughia confusa	Sandiacre	SK43T	2023	23/09/2023	1
Macdunnoughia confusa	Woodland Ave	SK43R	2022	02/09/2022	1