agonopterix alstromeriana.
32.031 BF695  – Hemlock Moth  – Agonopterix alstromeriana  – (Clerck, 1759)
Adult Micro:  CAT 1 – Distinctive species unlikely to be confused with others –       Leaf-miner:  CAT A – Recorded accepted without the leaf or a photo –       Larval Case:  C1 – Distinctive Species –      
PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Blue –  Generally Common / Widespread   
Taxonomy:   Micro   >>  Depressariidae  >> Depressariinae
Other Name/s: Brown-spot Flat-body
ID Difficulty:  green  – easy to identify, generally distinctive and unlikely to be confused with other species.
ID pointers: A colourful member of the group. Forewing greyish white with much variable mottling of darker grey. Shoulders and head white. Two large blotches on the costa and a black spot bordered with reddish streak. A row of black dots along the termen.
Distribution:  A fairly common moth throughout the county wherever there is Hemlock.
General Comment: None
Flight Period: January /  February /  April /  August /  September /  October /  November /  December –  On the wing August – April. Easily attracted to light Moth Activity: Cathemeral   – and is attracted to light Photographed: Yes –  Photographed By: Tony Davison  © All Rights Reserved
*** Last updated on 29 March 2026 by RP ***
Wingspan: 17-20mm
Food Plant: Hemlock
Specific Recorded History Dates for Common [Blue code Blue-coded] moths is not displayed/updated in this tab. However, all verified records for this moth are listed in the RECORDS tab below.

Selected Images:  Foremark, Derbyshire – Tony Davison ©

 
 


Temporal Distribution Chart
Adults: (between 1994 - 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 Agonopterix alstromeriana

Found 79 records
    ↳ 3 from 2026+
    ↳ 20 from 2020 - 2025
    ↳ 56 from Before 2020
Flying
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

If the Map Layers function fails, just refresh the page and it should be OK after. Use the +- zoom on the top left, or on a tablet, use two fingers to zoom. Remember, the last layer you ticked is the one which displays the popup information - they sit on top of each other - de-select then re-select, to see the popup values.

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 – Agonopterix alstromeriana

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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.

Visit NBN Site


Monthly Records By Year: Agonopterix alstromeriana
( data includes both Larvae and Adult Stages )

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

First/Last Recorded Dates: Agonopterix alstromeriana
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: Agonopterix alstromeriana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Agonopterix alstromeriana
AGR: -2.64%   |   Total % Change: -44.4%

Hectad (10kmx10km) Coverage: Agonopterix alstromeriana
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Agonopterix alstromeriana

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 - Agonopterix alstromeriana – 79 records available

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

Site Name Tetrad Date Count Stage Recorder Source RecordKey
Midway, Derbys. SK32A 22/03/2026 1 adult Williams, Michael vc57_irecords_extract iBRC50749213
Belper SK34U 22/03/2026 1 adult Evans, Dave vc57_irecords_extract iBRC50719703
Midway, Derbys. SK32A 17/03/2026 1 adult Williams, Michael vc57_irecords_extract iBRC50669239
Glapwell Garden Trap SK46T 06/09/2025 1 adult Culpin, John vc57_irecords_extract iBRC50332560
Miller's Dale SK17G 25/07/2025 1 adult Steven Bell vc57_irecords_extract iBRC43877332
Hilton, South Derbyshire SK23K 07/07/2025 1 adult Hammersley, Chris vc57_irecords_extract iBRC43132102
Wingerworth, Derbyshire SK36Y 26/03/2025 1 adult Windle, Jim vc57_irecords_extract iBRC40517987
Sandiacre Garden SK43T 21/03/2025 1 adult Milnes, Emily vc57_irecords_extract iBRC41568105
Ilkeston, Derbyshire SK44K 21/03/2025 1 adult Hobby, Brian vc57_irecords_extract iBRC40569031
Mickleover garden SK33C 20/03/2025 1 adult Maughan, Christine vc57_irecords_extract iBRC40551386
Markham Vale Derbyshire SK47L 20/03/2025 1 adult Morris, Sid vc57_irecords_extract iBRC40475265
Markham Vale Derbyshire SK47K 09/08/2024 1 adult Morris, Sid vc57_irecords_extract iBRC37840578
King's Newton SK32Y 29/07/2024 1 adult Soar, Will vc57_irecords_extract iBRC40386671
Cross Green, Matlock DEJW, UK SK26Q 02/05/2024 1 Adult Moores, Stephen vc57_irecords_extract iBRC35687721
King's Newton SK32Y 13/03/2024 1 adult Soar, Will vc57_irecords_extract iBRC35735710
King St, Worksop, England, GB SK57N 03/08/2023 1 Adult youchiung vc57_irecords_extract iBRC32914850
Findern Garden SK33A 28/07/2023 1 Adult Hallam, Brian vc57_irecords_extract iBRC34637830
Findern Garden SK33A 27/07/2023 1 Adult Hallam, Brian vc57_irecords_extract iBRC34637770
Woodland Ave SK43R 07/07/2023 1 adult Thorpe, Steve vc57_irecords_extract iBRC33496645
Findern, Derbyshire, DEAZ SK33A 14/08/2022 1 adult Brian and Jean Hallam vc57_irecords_extract iBRC35167598
Findern, Derbyshire, DEAZ SK33A 31/03/2021 1 adult Brian and Jean Hallam vc57_irecords_extract iBRC35164511
Kings Newton Fields SK32Y 27/08/2020 1 Adult Soar, Will vc57_irecords_extract iBRC34059709
Findern, Derbyshire, DEAZ SK33A 04/04/2020 1 adult Brian and Jean Hallam vc57_irecords_extract iBRC35162167
Main Street, Kings Newton SK32Y 21/03/2019 1 Adult Soar, Will vc57_irecords_extract iBRC34060042
Main Street, Kings Newton SK32Y 19/08/2013 1 Adult Soar, Will vc57_irecords_extract iBRC34675670
Back Lane,Glapwell SK46T 20/03/2012 1 Adult J. Culpin vc57_danes_bc_data LC000334001COU7B
Midway Rd,Midway,Swadlincote SK32A 13/03/2012 1 Adult M.J. Williams vc57_danes_bc_data LC000334001CP7PW
Drakelow NR,Burton on Trent SK22F 24/09/2011 1 Adult M.J. Williams vc57_danes_bc_data LC000334001CP7NF
Ault Hucknall,Glapwell SK46S 09/08/2011 1 Adult M.E. Bradley vc57_danes_bc_data LC000334001COXX3
Ault Hucknall,Glapwell SK46S 21/05/2011 1 Adult M.E. Bradley vc57_danes_bc_data LC000334001COXMY
Wilmot St,Long Eaton SK43R 10/04/2010 1 Adult B.G. Sewell vc57_danes_bc_data LC000334001COT1G
Hardhurst Rd, Alvaston, Derby SK33W 09/04/2010 1 Adult I. Gardler vc57_danes_bc_data LC000334001COT12
Back Lane,Glapwell SK46T 09/04/2010 1 Adult J. Culpin vc57_danes_bc_data LC000334001COT19
Drakelow NR (car park),Burton on Trent SK22F 21/03/2010 2 Adult M.J. Williams vc57_danes_bc_data LC000334001CP56I
The Hollies,Holly St,Stapenhill,Burton on Trent SK22K 21/03/2010 1 Adult P. Patrick vc57_danes_bc_data LC000334001CP56L
Ault Hucknall,Glapwell SK46S 22/04/2009 1 Adult M.E. Bradley vc57_danes_bc_data LC000334001COWPA
Ault Hucknall,Glapwell SK46S 19/03/2009 1 Adult M.E. Bradley vc57_danes_bc_data LC000334001COZZW
Ault Hucknall,Glapwell SK46S 15/03/2009 1 Adult M.E. Bradley vc57_danes_bc_data LC000334001COZZS
Ault Hucknall,Glapwell SK46S 10/05/2008 1 Adult M.E. Bradley vc57_danes_bc_data LC000334001CP46E
Ault Hucknall,Glapwell SK46S 25/08/2007 1 Adult M.E. Bradley vc57_danes_bc_data LC000334001COSFI
Wood Lane,Newhall,Swadlincote SK22V 10/08/2007 1 Adult Dave Budworth vc57_danes_bc_data LC000334001COZUT
Ault Hucknall,Glapwell SK46S 23/05/2007 1 Adult M.E. Bradley vc57_danes_bc_data LC000334001COWAS
Newboundmill Lane,Pleasley SK56C 27/03/2007 1 Adult B. Elliott;C. Stubbs vc57_danes_bc_data LC000334001CP3QL
Calke Park Ridge from Fisherman's Car Park SK32R 26/03/2007 1 adult Finch, Graham Leonard vc57_irecords_extract iBRC35105777
Calke Park,Ticknall SK32R 26/03/2007 1 Adult Finch, Graham Leonard vc57_danes_bc_data LC000334001CP3QI
Calke Park SK32L 12/03/2007 1 adult Finch, Graham Leonard vc57_irecords_extract iBRC35105451
Calke Park,Ticknall SK32L 12/03/2007 1 Adult G.L. Finch;K. Tailby;M.A. Finch vc57_danes_bc_data LC000334001CP3QB
Edgecote Drive,Newhall,Swadlincote SK22V 14/11/2006 1 Adult Topliss, Neil vc57_danes_bc_data LC000334001COWAG
Foremark Resr (entrance road), Ticknall SK32H 06/10/2006 1 Adult M.J. Williams vc57_danes_bc_data LC000334001COS2F
Melbourne, Derbyshire SK32X 29/09/2006 1 adult Davison, Tony vc57_irecords_extract iBRC33534488
Spinney Hill,Melbourne SK32X 29/09/2006 1 Adult Davison, Tony vc57_danes_bc_data LC000334001COS21
FOREMARK RESERVOIR SK32H 23/09/2006 1 adult Davison, Tony vc57_irecords_extract iBRC33442931
Foremark Resr, Ticknall SK32H 23/09/2006 1 Adult DAVISON, Mr A., TOPLISS, Mr N., SOAR, Mr W., PEACH vc57_danes_bc_data LC000334001COW9B
Main Street, Kings Newton SK32Y 21/09/2006 6 Adult Soar, Will vc57_irecords_extract iBRC34675669
Main Street, Kings Newton SK32Y 19/09/2006 1 Adult Soar, Will vc57_irecords_extract iBRC34675668
Main St,Kings Newton,Melbourne SK32Y 19/09/2006 1 Adult Soar, Will vc57_danes_bc_data LC000334001CP3OK
Main Street, Kings Newton SK32Y 15/09/2006 1 Adult Soar, Will vc57_irecords_extract iBRC34675667
Main St,Kings Newton,Melbourne SK32Y 15/09/2006 1 Adult Soar, Will vc57_danes_bc_data LC000334001COS13
King Newton Fields,Melbourne SK32Y 07/09/2006 5 Adult Soar, Will vc57_danes_bc_data LC000334001COS0M
Forbes Hole (meadow area),Long Eaton SK43W 22/07/2006 1 Adult Dave Budworth;B.G. Sewell;N.J. Ward vc57_danes_bc_data LC000334001COW3O
Main Street, Kings Newton SK32Y 01/08/2005 3 Adult Soar, Will vc57_irecords_extract iBRC34675666
Main St,Kings Newton,Melbourne SK32Y 01/08/2005 3 Adult Soar, Will vc57_danes_bc_data LC000334001CP2T7
Main Street, Kings Newton SK32Y 27/07/2005 6 Adult Soar, Will vc57_irecords_extract iBRC34675665
Main St,Kings Newton,Melbourne SK32Y 27/07/2005 6 Adult Soar, Will vc57_danes_bc_data LC000334001CP2S7
Main Street, Kings Newton SK32Y 26/07/2005 2 Adult Soar, Will vc57_irecords_extract iBRC34675664
Main St,Kings Newton,Melbourne SK32Y 26/07/2005 2 Adult Soar, Will vc57_danes_bc_data LC000334001CP2RK
Main Street, Kings Newton SK32Y 11/07/2005 1 Adult Soar, Will vc57_irecords_extract iBRC34675663
Main St,Kings Newton,Melbourne SK32Y 11/07/2005 1 Adult Soar, Will vc57_danes_bc_data LC000334001CP2NU
Rosliston (National Forest Centre), Swadlincote SK21N 06/08/2004 1 Adult Dave Budworth vc57_danes_bc_data LC000334001CP2AK
Main Street, Kings Newton SK32Y 06/08/2004 3 Adult Soar, Will vc57_irecords_extract iBRC34675662
Main St,Kings Newton,Melbourne SK32Y 06/08/2004 3 Adult Soar, Will vc57_danes_bc_data LC000334001COREU
Toyota Site, Burnaston SK23V 28/07/2004 1 Adult Soar, Will vc57_irecords_extract iBRC34675661
Burnaston (Toyota Plant NR), Derby SK23V 28/07/2004 1 Adult A. Davison;P. Precey;W. Soar vc57_danes_bc_data LC000334001COZ6T
South Wood, Calke, Ticknall SK32Q 14/03/1997 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001COQWX
Elavston Park NR, Derby SK43B 21/04/1996 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001COVC2
Shipley Wood, Shipley Park, Ilkeston SK44M 09/04/1996 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001CP198
Acton Rd Ind Est, Long Eaton SK43W 25/07/1995 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001CP17U
Acton Rd Ind Est, Long Eaton SK43W 19/07/1995 1 Adult VC57 Derbyshire Recorder vc57_danes_bc_data LC000334001COS44
Wood Lane,Newhall,Swadlincote SK22V 29/04/1994 1 Adult Dave Budworth vc57_danes_bc_data LC000334001CP12B

 
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