Udea ferrugalis - Rusty Dot Pearl
63.031 BF1395  – Rusty Dot Pearl  – Udea ferrugalis  – (Hübner, 1796)
Adult Micro:  CAT 1 – Distinctive species unlikely to be confused with others –      
PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Green –  Rare / Uncommon / Scarce       orange – Migrant
Taxonomy:   Micro   >>  Crambidae  >> Spilomelinae
ID Difficulty:  green  – easy to identify, generally distinctive and unlikely to be confused with other species.
ID pointers: The orange rusty-brown ground colour, black markings and two black spots in each forewing make this an easy pyralid to identify. Note also the white legs.
Distribution:  A regular migrant species recorded in small numbers during the autumn.
General Comment: None
Flight Period: August /  September /  October –  Usually occurs during August – November. Moth Activity: Nocturnal   – and is attracted to light Photographed: Yes –  Photographed By: Tony Davison  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 18-22mm
Food Plant: Herbaceous plants.
Last Recorded By – Not Recorded
Last Recorded General Area – Not Recorded

Selected Images:  Melbourne, Derbyshire – Tony Davison© 



Temporal Distribution Chart
Adults: (between 1905 - 2025)
(click legend below to show/hide datasets)

Distribution Map for Udea ferrugalis

Found 140 records
    ↳ from 2026+
    ↳ 94 from 2020 - 2025
    ↳ 46 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 – Udea ferrugalis

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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: Udea ferrugalis
( data includes both Larvae and Adult Stages )

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

First/Last Recorded Dates: Udea ferrugalis
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: Udea ferrugalis
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Udea ferrugalis
AGR: 0.69%   |   Total % Change: 18%

Hectad (10kmx10km) Coverage: Udea ferrugalis
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Udea ferrugalis

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 - Udea ferrugalis – 140 records available

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

Site Name Tetrad Date Count Stage Recorder Source RecordKey
King's Newton SK32Y 12/11/2025 6 adult Soar, Will vc57_irecords_extract iBRC48470759
Derbyshire Wild Life Trust Long Clough SK09G 06/10/2025 1 adult Heintzen, Christian vc57_irecords_extract iBRC48823616
Chellaston, Derby, Derby SK33V 19/09/2025 1 adult Pittam, Richard vc57_irecords_extract iBRC45426761
Shirland - Hallfieldgate Lane SK35Z 19/09/2025 1 adult Mahadevan, Nikki vc57_irecords_extract iBRC45443527
Norton Lees, Sheffield SK38L 19/09/2025 1 adult Mella, Pete vc57_irecords_extract iBRC45455436
Aston-on-Trent, Derbyshire SK43A 19/09/2025 1 adult Waldron, Robert vc57_irecords_extract iBRC45423543
Ladycroft Ave, Buxton SK07S 18/09/2025 1 adult Orridge, Steve vc57_irecords_extract iBRC48224829
Ladycroft Ave, Buxton SK07S 16/09/2025 1 not recorded Orridge, Steve vc57_irecords_extract iBRC48224782
Belper, Derbyshire SK34N 16/09/2025 1 adult Newcombe, Dave vc57_irecords_extract iBRC50610861
sheffield SK38M 12/09/2025 2 adult Turner, Jan vc57_irecords_extract iBRC45357584
Glossop, Gnat Hole Rough Fields SK09L 09/09/2025 1 adult Heintzen, Christian vc57_irecords_extract iBRC48792412
Belper, Derbyshire SK34N 09/09/2025 2 adult Newcombe, Dave vc57_irecords_extract iBRC50610796
Chellaston, Derby, Derby SK33V 08/09/2025 1 adult Pittam, Richard vc57_irecords_extract iBRC45164643
findern, derbyshire SK33A 07/09/2025 2 adult Hallam, Brian vc57_irecords_extract iBRC45162087
Aston-on-Trent, Derbyshire SK43A 06/09/2025 1 adult Waldron, Robert vc57_irecords_extract iBRC45117629
findern, derbyshire SK33A 05/09/2025 1 adult Hallam, Brian vc57_irecords_extract iBRC45120194
Mickleover garden SK33C 05/09/2025 1 adult Maughan, Christine vc57_irecords_extract iBRC45487402
Wingerworth, Derbyshire SK36Y 05/09/2025 1 adult Windle, Jim vc57_irecords_extract iBRC45097231
Glossop, Hague Street, Hay Meadow SK09G 04/09/2025 1 adult Heintzen, Christian vc57_irecords_extract iBRC48792404
Wingerworth, Derbyshire SK36Y 04/09/2025 1 adult Windle, Jim vc57_irecords_extract iBRC45096593
Ladycroft Ave, Buxton SK07S 02/09/2025 1 adult Orridge, Steve vc57_irecords_extract iBRC48199752
Netherside Drive, Chellaston, Derby SK33V 02/09/2025 1 adult Pittam, Richard vc57_irecords_extract iBRC45021362
Chellaston, Derby, Derby SK33V 02/09/2025 1 adult Pittam, Richard vc57_irecords_extract iBRC45211229
Inkersall garden SK47G 30/08/2025 1 adult Don Cambridge vc57_irecords_extract iBRC44920135
findern, derbyshire SK33A 29/08/2025 1 adult Hallam, Brian vc57_irecords_extract iBRC44941877
Ilkeston, Derbyshire SK44K 29/08/2025 1 adult Hobby, Brian vc57_irecords_extract iBRC45331854
Findern, Derbyshire SK33A 27/08/2025 1 adult Hallam, Brian vc57_irecords_extract iBRC44877781
Allestree, Derby SK33P 27/08/2025 1 adult Plant, Stephen vc57_irecords_extract iBRC44851743
Ingleby Ave, Derby SK33L 26/08/2025 1 adult Shervill, Andrew vc57_irecords_extract iBRC44853878
Birch Vale SK08I 25/08/2025 1 adult Hewitt, Jane vc57_irecords_extract iBRC47544914
Glossop, Hague Street, Hay Meadow SK09G 25/08/2025 1 adult Heintzen, Christian vc57_irecords_extract iBRC48746983
Findern, Derbyshire SK33A 24/08/2025 2 adult Hallam, Brian vc57_irecords_extract iBRC44820530
Chaddesden, Derby SK33T 23/08/2025 1 adult roome, martin vc57_irecords_extract iBRC44885982
Belper SK34U 23/08/2025 1 adult Evans, Dave vc57_irecords_extract iBRC44731346
Stoney Clouds, meadow SK43T 23/08/2025 1 adult Bryce, Marion vc57_irecords_extract iBRC44732818
Inkersall garden SK47G 23/08/2025 1 adult Don Cambridge vc57_irecords_extract iBRC44697064
Ladycroft Ave, Buxton SK07S 22/08/2025 1 adult Orridge, Steve vc57_irecords_extract iBRC48197679
Littleove, Derby SK33G 22/08/2025 1 adult Watson, Adrian vc57_irecords_extract iBRC44706066
Belper SK34N 20/08/2025 1 adult Evans, Dave vc57_irecords_extract iBRC44652405
upper cromford garden SK25Y 18/08/2025 1 adult Ashton, Clive vc57_irecords_extract iBRC44763108
Glossop, Hague Street, Hay Meadow SK09G 16/08/2025 1 adult Heintzen, Christian vc57_irecords_extract iBRC48743659
Allestree, Derby SK33P 16/08/2025 1 adult Plant, Stephen vc57_irecords_extract iBRC44548980
Long eaton, Wensleydale Road SK43R 16/08/2025 1 adult Bryce, Marion vc57_irecords_extract iBRC44531286
sheffield SK38M 15/08/2025 1 adult Turner, Jan vc57_irecords_extract iBRC44683076
Findern, Derbyshire SK33A 11/08/2025 1 adult Hallam, Brian vc57_irecords_extract iBRC44470669
Belper SK34N 24/07/2025 1 adult Evans, Dave vc57_irecords_extract iBRC43875920
Midway, Derbys. SK32A 13/07/2025 1 adult Williams, Michael vc57_irecords_extract iBRC43433300
Findern, Derbyshire SK33A 13/07/2025 1 adult Hallam, Brian vc57_irecords_extract iBRC43447673
Melbourne, Derbyshire SK32X 01/07/2025 1 adult Davison, Tony vc57_irecords_extract iBRC42986598
Ladycroft Ave, Buxton SK07S 30/06/2025 1 adult Orridge, Steve vc57_irecords_extract iBRC42933562
Woodland Ave SK43R 27/06/2025 1 adult Thorpe, Steve vc57_irecords_extract iBRC48391167
Old Park Plantation, Beeley SK26U 03/11/2024 1 Adult Moores, Stephen vc57_irecords_extract iBRC39071935
Findern, Derbyshire, DEAZ SK33A 01/11/2024 1 adult Hallam, Brian vc57_irecords_extract iBRC39935305
Belper, Derbyshire SK34N 24/10/2024 2 adult Newcombe, Dave vc57_irecords_extract iBRC39211236
Belper SK34U 12/08/2024 1 adult Evans, Dave vc57_irecords_extract iBRC37871278
Lower Cromford Garden SK25Y 11/08/2024 1 adult Ashton, Clive vc57_irecords_extract iBRC37848328
Shirland - Hallfieldgate Lane SK35Z 29/10/2023 1 Adult Mahadevan, Nikki vc57_irecords_extract iBRC34435667
Ladycroft Ave SK07S 18/10/2023 1 adult Orridge, Steve vc57_irecords_extract iBRC35076630
Allestree, Derby SK33P 12/10/2023 1 adult Plant, Stephen vc57_irecords_extract iBRC48421037
Belper SK34U 09/10/2023 1 adult Evans, Dave vc57_irecords_extract iBRC35303220
Ladycroft Ave SK07S 08/10/2023 1 adult Orridge, Steve vc57_irecords_extract iBRC35076083
Woodland Ave SK43R 08/10/2023 1 adult Thorpe, Steve vc57_irecords_extract iBRC33497490
Sandiacre SK43T 08/10/2023 1 adult Milnes, Emily vc57_irecords_extract iBRC34681373
Findern Garden SK33A 30/09/2023 1 Adult Hallam, Brian vc57_irecords_extract iBRC34697579
Ladycroft Ave SK07S 17/09/2023 1 adult Orridge, Steve vc57_irecords_extract iBRC35076620
Findern Garden SK33A 17/09/2023 1 Adult Hallam, Brian vc57_irecords_extract iBRC34697578
Main Street, Kings Newton SK32Y 14/09/2023 1 Adult Soar, Will vc57_irecords_extract iBRC34060665
Ladycroft Ave SK07S 08/09/2023 1 adult Orridge, Steve vc57_irecords_extract iBRC35076065
Findern Garden SK33A 06/09/2023 1 Adult Hallam, Brian vc57_irecords_extract iBRC34697577
Morley Retreat SK34V 06/09/2023 1 adult Thorpe, Steve vc57_irecords_extract iBRC33497272
Belper Garden SK34P 03/09/2023 1 adult Evans, Dave vc57_irecords_extract iBRC34544565
Birch Vale SK08I 23/10/2022 1 adult Hewitt, Jane vc57_irecords_extract iBRC34092737
Allestree, Derby SK33P 04/09/2022 1 adult Plant, Stephen vc57_irecords_extract iBRC46328416
Derbyshire, England, United Kingdom SK07S 29/08/2022 1 Adult Orridge, Steve vc57_irecords_extract iBRC28806334
Main Street, Kings Newton SK32Y 27/08/2022 1 Adult Soar, Will vc57_irecords_extract iBRC34060666
Ladycroft Ave SK07S 26/08/2022 2 adult Orridge, Steve vc57_irecords_extract iBRC35090781
Findern, Derbyshire, DEAZ SK33A 26/08/2022 1 adult Brian and Jean Hallam vc57_irecords_extract iBRC35167745
Woodland Ave SK43R 26/08/2022 1 adult Thorpe, Steve vc57_irecords_extract iBRC33495478
Ladycroft Ave, Buxton SK07S 24/08/2022 1 adult Orridge, Steve vc57_irecords_extract iBRC35090742
Findern, Derbyshire, DEAZ SK33A 23/08/2022 1 adult Brian and Jean Hallam vc57_irecords_extract iBRC35167697
Buxton SK, UK SK07S 22/08/2022 1 Adult Orridge, Steve vc57_irecords_extract iBRC28803177
Ladycroft Ave, Buxton SK07S 21/08/2022 1 adult Orridge, Steve vc57_irecords_extract iBRC35090709
Hathersage, Derbyshire, UK SK28F 20/08/2022 1 adult Miles, Claire vc57_irecords_extract iBRC27856261
Woodland Ave SK43R 19/08/2022 1 adult Thorpe, Steve vc57_irecords_extract iBRC33495476
Long Eaton - Marlborough Road SK43X 05/08/2022 1 Adult Bryce, Marion vc57_irecords_extract iBRC34621572
Derbyshire, England, United Kingdom SK07S 04/08/2022 1 Adult Orridge, Steve vc57_irecords_extract iBRC28797249
Findern, Derbyshire, DEAZ SK33A 03/08/2022 1 adult Brian and Jean Hallam vc57_irecords_extract iBRC35167430
Findern, Derbyshire, DEAZ SK33A 25/07/2022 1 adult Brian and Jean Hallam vc57_irecords_extract iBRC35167293
Briar Close, Newhall, Swadlincote SK22V 16/10/2021 1 adult PEACH, Mr K. Danes_2019-2021 4
Long Eaton - Marlborough Road SK43X 16/10/2021 1 Adult Bryce, Marion vc57_irecords_extract iBRC34621573
Allestree, Derby SK33P 14/10/2021 1 adult Plant, Stephen vc57_irecords_extract iBRC34960325
Buxton SK, UK SK07S 09/10/2021 1 Adult Orridge, Steve vc57_irecords_extract iBRC22985240
Midway, Derbys. SK32A 10/08/2021 1 adult Williams, Michael vc57_irecords_extract iBRC38546094
Findern, Derbyshire, DEAZ SK33A 09/11/2020 2 adult Brian and Jean Hallam vc57_irecords_extract iBRC35164442
Findern, Derbyshire, DEAZ SK33A 14/09/2019 1 adult Brian and Jean Hallam vc57_irecords_extract iBRC35161991
The Mays, Malthouse Lane, Froggatt SK27N 31/08/2019 1 adult BARNACLE, Mr B.&.Mrs.K. Danes_2019-2021 956
Norton Lees SK38L 16/07/2019 1 adult MELLA, Mr P.J. Danes_2019-2021 1343
Main Street, Kings Newton SK32Y 15/07/2019 1 Adult Soar, Will vc57_irecords_extract iBRC34060667
Main Street, Kings Newton SK32Y 07/09/2017 1 Adult Soar, Will vc57_irecords_extract iBRC34060668
Main Street, Kings Newton SK32Y 05/09/2017 1 Adult Soar, Will vc57_irecords_extract iBRC34060669
Birch Vale SK08I 07/08/2017 1 adult Hewitt, Jane vc57_irecords_extract iBRC40500537
Backgarden Marehay SK34Z 06/09/2016 1 adult Thorpe, Steve vc57_irecords_extract iBRC33505236
Backgarden Marehay SK34Z 30/08/2016 1 adult Thorpe, Steve vc57_irecords_extract iBRC33505198
Belper SK34U 13/09/2015 1 adult Evans, Dave vc57_irecords_extract iBRC38605799
Ladycroft Ave SK07S 22/11/2014 1 adult Orridge, Steve vc57_irecords_extract iBRC41013641
Shirland - Hallfieldgate Lane SK35Z 30/10/2014 1 Adult Mahadevan, Nikki vc57_irecords_extract iBRC36749424
Melbourne, Derbyshire SK32X 16/10/2014 1 adult Davison, Tony vc57_irecords_extract iBRC33088137
Elgar Drive,Sawley,Long Eaton SK43R 09/11/2011 1 Adult A. Braddock vc57_danes_bc_data LC000334001COY1L
Spinney Hill,Melbourne SK32X 13/10/2011 1 Adult Davison, Tony vc57_danes_bc_data LC000334001COY13
School Close,Parkway Gardens,Darley Dale SK26R 12/10/2011 1 Adult A. Butler vc57_danes_bc_data LC000334001COY0X
Melbourne, Derbyshire SK32X 12/10/2011 1 adult Davison, Tony vc57_irecords_extract iBRC33086292
Backgarden Marehay SK34Z 09/10/2011 1 adult Thorpe, Steve vc57_irecords_extract iBRC33514261
Bamford St,Ripley SK34Z 09/10/2011 1 Adult Thorpe, Steve vc57_danes_bc_data LC000334001CP7OW
Ladycroft Ave,Buxton SK07S 23/09/2011 1 Adult Orridge, Steve vc57_danes_bc_data LC000334001CP7N9
Backgarden Marehay SK34Z 19/09/2011 1 adult Thorpe, Steve vc57_irecords_extract iBRC33514134
Bamford St,Ripley SK34Z 19/09/2011 1 Adult Thorpe, Steve vc57_danes_bc_data LC000334001CP7MY
Dovedale SK15K 11/07/2011 1 Adult D. Grundy vc57_danes_bc_data LC000334001COTY8
Dovedale SK15K 11/07/2011 1 Adult H. John;M. Bellingham vc57_danes_bc_data LC000334001CP76Z
George St,Belper SK34N 10/07/2011 1 Adult K.R. Huston vc57_danes_bc_data LC000334001CP76A
Buxton SK, UK SK07S 08/07/2011 1 Adult Orridge, Steve vc57_irecords_extract iBRC22503697
Buxton SK, UK SK07S 08/07/2011 1 Adult Orridge, Steve vc57_irecords_extract iBRC22503699
The Mays,Malthouse Lane,Froggatt SK27N 11/08/2007 1 Adult Barnacle, Brian vc57_danes_bc_data LC000334001COZVO
Edgecote Drive,Newhall,Swadlincote SK22V 24/10/2006 1 Adult Topliss, Neil vc57_danes_bc_data LC000334001COW9O
Midway Rd,Midway,Swadlincote SK32A 24/09/2006 1 Adult M.J. Williams vc57_danes_bc_data LC000334001COZ8A
Edgecote Drive,Newhall,Swadlincote SK22V 15/09/2006 1 Adult Topliss, Neil vc57_danes_bc_data LC000334001COS0R
Melbourne, Derbyshire SK32X 15/09/2006 1 adult Davison, Tony vc57_irecords_extract iBRC33534366
Spinney Hill,Melbourne SK32X 15/09/2006 1 Adult Davison, Tony vc57_danes_bc_data LC000334001COS11
Main Street, Kings Newton SK32Y 14/09/2006 1 Adult Soar, Will vc57_irecords_extract iBRC34680426
Main St,Kings Newton,Melbourne SK32Y 14/09/2006 1 Adult Soar, Will vc57_danes_bc_data LC000334001CP3NP
Edgecote Drive,Newhall,Swadlincote SK22V 01/09/2006 1 Adult Dave Budworth;N. Topliss vc57_danes_bc_data LC000334001CP3K2
School Close,Parkway Gardens,Darley Dale SK26R 10/11/2001 1 Adult A. Butler vc57_danes_bc_data LC000334001COR0W
Shipley Hill, Shipley Park, Ilkeston SK44H 03/09/1996 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001CP1C8
Deerlands Rd, Ashgate, Chesterfield SK37K 10/08/1996 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001COVDI
Deerlands Rd, Ashgate, Chesterfield SK37K 10/08/1996 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001COVDJ
Deerlands Rd, Ashgate, Chesterfield SK37K 13/06/1996 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001COVCH
Repton (site not precise) SK32B 20/09/1981 1 Adult YOUNG, Mr D.A., HARRISON, Mr F., BEAUMONT, Mr H.E. vc57_danes_bc_data LC000334001COQM1
Shardlow Hall, Shardlow, Long Eaton SK43F 22/07/1981 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001COQDL
Shardlow Hall, Shardlow, Long Eaton SK43F 20/07/1981 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001COQD8
Threepieces, Veron Lane, Kelstedge, Ashover SK36G 03/10/1979 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001CP0MG
Main St,Kings Newton,Melbourne SK32Y 25/06/1905 1 Adult Soar, Will vc57_danes_bc_data LC000334001COZIJ

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