Waved Carpet       Welsh Wave
70.114 BF1876  –  Geometridae –  Larentiinae – Hydrelia flammeolaria – Small Yellow Wave – (Hufnagel, 1767) Adult Macro:  CAT 1 – Distinctive species unlikely to be confused with others –       PDF Icon – click for Adult Macro Verification Guidelines
Green –  Rare / Uncommon / Scarce   
Taxonomy:   Macro   >>  Geometridae  >> Larentiinae
ID Difficulty:  green  – easy to identify, generally distinctive and unlikely to be confused with other species.
ID pointers: An unmistakeable little moth. Sandy-Cream ground colour to the upper wings covered in bright orange-brown cross-lines and a small dark central spot in the forewing.
Distribution:  (Last record: 2024 )  –  A resident species that is very scarce and locally distributed in Derbyshire. The moth seems to survive in small relict populations in remnants of old woodlands scattered across the south, central and eastern areas of the county.
Flight Period: June /  July /  –  On the wing – June – July 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: 14-20mm
Forewing: 9-11mm Food Plant: Field Maple, Sycamore and Alder.
Last Recorded Year: 2024
Last Recorded By – Not Recorded
Last Recorded General Area – Not Recorded
Selected Images:  Kings Newton, Derbyshire – Images by Tony Davison ©

70.114 BF1876 - Small Yellow Wave - Geometridae - Hydrelia flammeolaria
Small Yellow Wave – Hydrelia flammeolaria
70.114 BF1876 - Small Yellow Wave - Geometridae - Hydrelia flammeolaria


Image Gallery

Small Yellow Wave - Kings Newton - Tony Davison©

Distribution Map for Hydrelia flammeolaria

Found 115 records
    ↳ 16 from After 2025
    ↳ 11 from 2020 - 2024
    ↳ 88 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 – Hydrelia flammeolaria

⚠️ Please wait for the map to load fully – do not click the link shown.


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: Hydrelia flammeolaria
( data includes both Larvae and Adult Stages )

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


First/Last Recorded Dates: Hydrelia flammeolaria
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: Hydrelia flammeolaria
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Hydrelia flammeolaria
AGR: 6.77%   |   Total % Change: 381.3%


CUSUM Analysis: Hydrelia flammeolaria
About this chart: CUSUM (Cumulative Sum) charts track long-term trends in moth populations [ filtered by 'Adult' and 'Mine' life stages ] by showing whether each year’s counts are above or below the historical average. Even small shifts build up over time, making trends of growth, stability, or decline easier to see. CUSUM highlights trend-consistency — asking: “Across the years, have moth counts mostly stayed above or below average?”
The data sample has 2 gap year/s here (zero records) between 2000 and 2025. The moth may have been present in those gap years, but no data was available. Too many year-gaps may exaggerate or skew the chart.

Counts for the current year (2025) are pro-rated based on data available up to month 8 (August) to provide a full-year equivalent.

ⓘ Purple line rises = years better than average; falls = years worse than average.
Peak (best year) Trough (worst year) Growth periods Decline periods
Population peaked around 2017, reaching above average levels. The lowest population point occurred near 2016, showing a significant decline.

What the Y-axis "Cumulative Deviation" means: Cumulative Deviation shows the running total of how each year’s moth population count differs from the long-term average. i

Hectad (10kmx10km) Coverage: Hydrelia flammeolaria
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Hydrelia flammeolaria
( 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 - Hydrelia flammeolaria – 115 records available

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

Site NameTetradDateCountStageSource
Darwin ForestSK26X01/07/202516adultvc57_irecords_extract
Darwin ForestSK26X02/07/20253adultvc57_irecords_extract
Darwin ForestSK26X03/07/20255adultvc57_irecords_extract
Darwin ForestSK26X04/07/20253adultvc57_irecords_extract
Darwin ForestSK26X05/07/20252adultvc57_irecords_extract
Cromford MoorSK25X13/07/20251adultvc57_irecords_extract
Ladycroft Ave, BuxtonSK07S10/07/20251adultvc57_irecords_extract
Derbyshire Wild Life Trust Long Clough, Herod CloughSK09G11/07/20254adultvc57_irecords_extract
Stonebroom.SK45E26/06/20251adultvc57_irecords_extract
upper cromford gardenSK25Y30/06/20251adultvc57_irecords_extract
Darwin ForestSK26X30/06/202522adultvc57_irecords_extract
Cown Edge Farm marshSK09A17/06/20251adultvc57_irecords_extract
Derbyshire Wild Life Trust Long CloughSK09G20/06/20254adultvc57_irecords_extract
Derbyshire Wild Life Trust Long Clough, Herod CloughSK09G20/06/20252adultvc57_irecords_extract
Derbyshire Wild Life Trust Long CloughSK09G27/06/202510adultvc57_irecords_extract
BelperSK34N16/05/20251adultvc57_irecords_extract
Derbyshire Wild Life Trust Long CloughSK09G09/07/20241adultvc57_irecords_extract
SandiacreSK43S28/07/20241adultvc57_irecords_extract
BelperSK34U22/06/20241adultvc57_irecords_extract
Longdendale, Wildboar CloughSK09U07/07/20231adultvc57_irecords_extract
Darwin ForestSK26X27/06/20235adultvc57_irecords_extract
Glossop, Gnat Hole Rough FieldsSK09L19/06/20231adultvc57_irecords_extract
Derbyshire Wild Life Trust Long CloughSK09G24/06/20231adultvc57_irecords_extract
Kinder Bank, HayfieldSK08N16/06/20221adultvc57_irecords_extract
Buxton SK, UKSK07S10/07/20211Adultvc57_irecords_extract
Clarkes Plantation, Two Dales, MatlockSK26W23/07/20212adultDanes_2019-2021
Woodland AveSK43R24/06/20201adultvc57_irecords_extract
Norton LeesSK38L16/07/20191adultDanes_2019-2021
BelperSK34U25/06/20191adultvc57_irecords_extract
Welbeck Drive, WingerworthSK36T25/06/20191Adultvc57_danes_bc_data
Jim Mart Nature ReserveSK36S14/07/20182adultvc57_irecords_extract
Trowell Marsh LNRSK43U07/07/20181adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y03/07/20172Adultvc57_irecords_extract
Pleasley Pit CP, PleasleySK46X27/06/20171Adultvc57_danes_bc_data
Whitwell Wood (centre area), Whitwell, WorksopSK57J17/06/2017100Adultvc57_danes_bc_data
Birch ValeSK08I18/06/20161adultvc57_irecords_extract
Duffield Rd, Allestree, DerbySK34K14/07/20151Adultvc57_danes_bc_data
Pleasley Pit CP, PleasleySK46X27/07/20151Adultvc57_danes_bc_data
Pleasley Pit CP, PleasleySK46X15/07/20151Adultvc57_danes_bc_data
Duffield Rd, Allestree, DerbySK34K14/07/20151Adultvc57_danes_bc_data
Briar Close,Newhall,SwadlincoteSK22V29/06/20151Adultvc57_danes_bc_data
Briar Close,Newhall,SwadlincoteSK22V29/06/20151Adultvc57_danes_bc_data
Not givenSK21C03/07/20142Adultvc57_irecords_extract
Wood Lane,Newhall,SwadlincoteSK22V18/07/20141Adultvc57_danes_bc_data
Catton Wood, Walton on TrentSK21C03/07/20142Adultvc57_danes_bc_data
Midway Rd,Midway,SwadlincoteSK32A06/07/20132Adultvc57_danes_bc_data
Duffield Rd, Allestree, DerbySK34K09/07/20133Adultvc57_danes_bc_data
School Close,Parkway Gardens,Darley DaleSK26R12/07/20131Adultvc57_danes_bc_data
School Close,Parkway Gardens,Darley DaleSK26R12/07/20131Adultvc57_danes_bc_data
Midway Rd,Midway,SwadlincoteSK32A06/07/20132Adultvc57_danes_bc_data
Duffield Rd, Allestree, DerbySK34K09/07/20133Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y25/07/20121Adultvc57_irecords_extract
Main St,Kings Newton,MelbourneSK32Y25/07/20121Adultvc57_danes_bc_data
Millennium Meadow NR, DuffieldSK34L06/06/20121Adultvc57_danes_bc_data
Millennium Meadow NR, DuffieldSK34L10/06/20121Adultvc57_danes_bc_data
Hardhurst Rd, Alvaston, DerbySK33W02/07/20111Adultvc57_danes_bc_data
Buxton SK, UKSK07S27/06/20111Adultvc57_irecords_extract
Upper Moor,MatlockSK36C02/06/20111Adultvc57_danes_bc_data
Clough Wood,Darley DaleSK26K13/06/20111Adultvc57_danes_bc_data
Ladycroft Ave,BuxtonSK07S26/06/20111Adultvc57_danes_bc_data
Ladycroft Ave, BuxtonSK07S26/06/20111Adultvc57_danes_bc_data
Hardhurst Rd, Alvaston, DerbySK33W26/06/20111Adultvc57_danes_bc_data
Rose Av,ClowneSK57D09/07/20101Adultvc57_danes_bc_data
Hardhurst Rd, Alvaston, DerbySK33W27/06/20101Adultvc57_danes_bc_data
Hardhurst Rd, Alvaston, DerbySK33W30/06/20101Adultvc57_danes_bc_data
Lancaster Ave,SandiacreSK43S21/06/20101Adultvc57_danes_bc_data
Lancaster Ave,SandiacreSK43S27/06/20102Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R30/06/20101Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R26/06/20091Adultvc57_danes_bc_data
Calke Park,TicknallSK32L02/06/20091Adultvc57_danes_bc_data
Flash Lane,Beeley MoorSK26X26/06/20093Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R27/06/20091Adultvc57_danes_bc_data
Far Cross,Cavendish Park,MatlockSK36A28/06/20092Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S27/06/20091Adultvc57_danes_bc_data
Bristol Rd,IlkestonSK44R28/06/20091Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S22/07/20081Adultvc57_danes_bc_data
The Hollies,Station Rd,Darley DaleSK26R25/07/20081Adultvc57_danes_bc_data
Ault Hucknall,GlapwellSK46S26/07/20081Adultvc57_danes_bc_data
Calke Park Ticknall Lime YardsSK32R03/08/20072adultvc57_irecords_extract
Ticknall Limeyards,TicknallSK32R03/08/20072Adultvc57_danes_bc_data
Glebe Rise,Littleover,DerbySK33H12/07/20071Adultvc57_danes_bc_data
Pleasley Park,PleasleySK56H17/07/20064Adultvc57_danes_bc_data
Lancaster Ave,SandiacreSK43S03/07/20061Adultvc57_danes_bc_data
Robin WoodSK32M23/06/20061Adultvc57_irecords_extract
Mercaston Marsh, Mercaston, BrailsfordSK24R17/06/20063Adultvc57_danes_bc_data
Robin Wood (centre area track), TicknallSK32M23/06/20061Adultvc57_danes_bc_data
Whitwell Wood (centre area), Whitwell, WorksopSK57J18/06/20063Adultvc57_danes_bc_data
Main Street, Kings NewtonSK32Y01/07/20051Adultvc57_irecords_extract
Main St,Kings Newton,MelbourneSK32Y01/07/20051Adultvc57_danes_bc_data
Whitwell Wood,Whitwell,WorksopSK57J01/07/20055Adultvc57_danes_bc_data
Upper Booth Farm, EdaleSK18C11/07/20051Adultvc57_danes_bc_data
Seventy Acre Woods/Flash Lane, DerbyshireSK26Y23/06/20052adultvc57_irecords_extract
Beeley (Seventy Acre Wood)SK26Y23/06/20052Adultvc57_danes_bc_data
Flash Lane,Beeley MoorSK26X23/06/200514Adultvc57_danes_bc_data
Mercaston Marsh Zone , Mercaston, BrailsfordSK24R24/06/20051Adultvc57_danes_bc_data
Mercaston Marsh Zone , Mercaston, BrailsfordSK24R24/06/20051Adultvc57_danes_bc_data
Dimminsdale NR, Calke, TicknallSK32Q03/06/20031Adultvc57_danes_bc_data
Dimminsdale NR, Calke, TicknallSK32Q03/06/20031Adultvc57_danes_bc_data
Armitage Drive, Long EatonSK53B06/07/20021Adultvc57_danes_bc_data
Midway Rd,Midway,SwadlincoteSK32A15/07/20022Adultvc57_danes_bc_data
Midway Rd,Midway,SwadlincoteSK32A29/07/20021Adultvc57_danes_bc_data
South Wood, Calke, TicknallSK32Q17/06/20023Adultvc57_danes_bc_data
Midway Rd,Midway,SwadlincoteSK32A20/06/20021Adultvc57_danes_bc_data
Halldale Wood,nr Darley Dale (site not precise)SK26X28/06/20011Adultvc57_danes_bc_data
Halldale Wood,nr Darley Dale (site not precise)SK26X29/06/20011Adultvc57_danes_bc_data
Halldale Wood,nr Darley Dale (site not precise)SK26X28/06/20011Adultvc57_danes_bc_data
Halldale Wood,nr Darley Dale (site not precise)SK26X29/06/20011Adultvc57_danes_bc_data
Calke Park (Poker's Leys), TicknallSK32R25/07/19981Adultvc57_danes_bc_data
Calke Park (Poker's Leys), TicknallSK32R25/07/19981Adultvc57_danes_bc_data
Stevens Rd, SandiacreSK43T20/07/19961Adultvc57_danes_bc_data
Foxholes Lane, Tansley (site not precise)SK36F22/07/19891Adultvc57_danes_bc_data
Whitwell Wood,Whitwell,WorksopSK57J15/07/19832Adultvc57_danes_bc_data
Rowsley Sidings, RowsleySK26S06/06/19821Adultvc57_danes_bc_data
Carvers Rocks, Hartshorne, SwadlincoteSK32G23/06/19791Adultvc57_danes_bc_data
Berry St, Hepthorne Lane, North WingfieldSK46C12/07/19671Adultvc57_danes_bc_data

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