Marbled Brown - the second VC57 Derbyshire record - 8th July 2026 - Belper - Dave Evans
71.010 BF2014  – Marbled Brown  – Drymonia dodonaea  – (Denis & Schiffermüller, 1775)
Adult Macro:  CAT 2 – Can be confused with other species – Good photographs may be required – Can be confused with other species      
PDF Icon – click for Adult Macro Verification Guidelines

Brown –  Significant Record / Rare / Vagrant    
Taxonomy:   Macro  >>.  >>  Notodontidae  >> Notodontinae
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Lunar Marbled Brown
ID pointers: The moth features highly variable forewings displaying a blend of pale grey, dark brown and whitish cross-lines. Some individuals exhibit a distinct dark melanic form where pale areas are replaced by dark brown. It can be confused with Lunar Marbled Brown, which flies earlier in the spring (typically April – May) and possesses a highly distinct central black crescent mark on its forewing which is lacking in Marbled Brown. 
Distribution:  The second record of the species for VC57 Derbyshire when a worn adult was attracted to light at a garden moth trap in Belper on 8th July 2026. An old Danes record exists from 2006. The species occurs widely over much of Britain especially in the southern half of England.
General Comment: None
Flight Period: May /  June /  July –  one generation Moth Activity: Nocturnal   – and is attracted to light Photographed: Yes –   Photographed By: Dave Evans  © All Rights Reserved
*** Last updated on 20 July 2026 by RP ***
Wingspan: 33-38mm
Food Plant: Pedunculate Oak and Sessile Oak
Last Recorded By – Not Recorded
Last Recorded General Area – Not Recorded

Images of Interest:



Temporal Distribution Chart
Adults: (between 2006 - 2026)
(click legend below to show/hide datasets)
This chart summarises all available historical occurrence records collated by ISO week of the year. It reflects recorder effort and sampling distribution as well as true biological activity, and should be interpreted as an indicative pattern of seasonal occurrence rather than a statistically controlled abundance or phenology model.

Distribution Map for Drymonia dodonaea

Found 2 records
    ↳ 1 from 2026+
    ↳ from 2020 - 2025
    ↳ 1 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 – Drymonia dodonaea

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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: Drymonia dodonaea
( data includes both Larvae and Adult Stages )

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

First/Last Recorded Dates: Drymonia dodonaea
Adult-only & Anything [Larvae, Pupae, Adult, Mines]

Shading shows moth presence between dates

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Recordings By Year: Drymonia dodonaea
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Drymonia dodonaea
AGR: -5.34%   |   Total % Change: -66.7%

Hectad (10kmx10km) Coverage: Drymonia dodonaea
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Drymonia dodonaea

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 - Drymonia dodonaea – 2 records available

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

Site Name Tetrad Date Count Stage Recorder Source RecordKey
Belper SK34N 08/07/2026 1 adult Evans, Dave vc57_irecords_extract iBRC54607791
South Wood, Calke, Ticknall SK32Q 01/06/2006 3 Adult Finch, Graham Leonard vc57_danes_bc_data LC000334001OI787

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