32.04 BF671  –  Depressariidae –  Depressarinae – Depressaria ultimella – Marsh Brown – (Stainton, 1849) Adult Micro:  CAT 4 – Gen. Det. Required – Gen-Det-Reqd       PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Brown –  Significant Record / Very Rare / Vagrant    
Taxonomy:   Micro   >>  Depressariidae  >> Depressarinae
Other Name/s: Fen Flat-body
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Adults similar to D. daucella
ID pointers: Thorax and tegulae  pale brownish, sometimes whitish – Forewing reddish brown, brown or greyish brown and shaded blackish at the base. Many black streaks with a creamy white streak around mid-wing.
Distribution:  (Last record: 2 May 2004 at Kings Newton Fields )  –  Unknown as I can only find two modern day records – Kings Newton Fields 2/5/2004 and Kings Newton 14/5/2004
Flight Period: April /  May /  June /  July /  August /  September /  –  On the wing April – September. Moth Activity: Diurnal   – but often seen by day Photographed: Yes –  Photographed By: Will Soar  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 16-21mm
Food Plant: Fool’s Water-cress – Often seen in warm weather during afternoons in May – Sometimes attracted to light
Last Recorded Year: 2004
Last Recorded By – Will Soar
Last Recorded General Area – Kings Newton Fields

Selected Images:  King’s Newton, Derbyshire – Will Soar ©

 
 


 

Distribution Map for Depressaria ultimella

Found 4 records
    ↳ 0 from After 2025
    ↳ 0 from 2020 - 2024
    ↳ 4 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 – Depressaria ultimella

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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: Depressaria ultimella
( data includes both Larvae and Adult Stages )
No data returned from the database.

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


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

Shading shows moth presence between dates

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Recordings By Year: Depressaria ultimella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Depressaria ultimella
AGR: 0%   |   Total % Change: 0%
Depressaria ultimella
Insufficient records/data for an AGR analysis
Years Analysed: 2000 – 2025
Depressaria ultimella
Insufficient records/data for a CUSUM analysis
Years Analysed: 2000 – 2025

Hectad (10kmx10km) Coverage: Depressaria ultimella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Depressaria ultimella
( 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 2020-2025.

Records Behind the Map and Charts - Depressaria ultimella – 4 records available

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

Site NameTetradDateCountStageSource
Kings Newton FieldsSK32Y14/05/20041Adultvc57_irecords_extract
Kings Newton Fields (farm)SK32Y14/05/20041Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y02/05/20041Adultvc57_irecords_extract
Main St,Kings Newton,MelbourneSK32Y02/05/20041Adultvc57_danes_bc_data

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