Small Fan-footed Wave       Riband Wave
70.015 BF1712  – Small Scallop – Idaea emarginata – (Linnaeus, 1758) Adult Macro:  CAT 2 – Can be confused with other species – Good photographs maybe required – Can be confused with other species       PDF Icon – click for Adult Macro Verification Guidelines Verification Notes: Last recorded in VC57 in 2019 – CAT set to CAT2 photos required
Green –  Rare / Uncommon / Scarce   
Taxonomy:   Macro  >>.  >>  Geometridae  >> Sterrhinae
** Photograph required **
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
ID pointers: Fairly distinctive looking moth. Scalloped trailing edges to the wings and overall golden brown ground colour, with two dark-brown wavy cross-lines running through both wings.
Distribution:  (Last record: 22 July 2019 at Long Eaton )  –  A resident in Derbyshire, that is scarce and very locally distributed through the Trent Valley area. Very few records.
General Comment: None Flight Period: July /  August –  On the wing – July – August. Moth Activity: Nocturnal   – but can be disturbed during the day Photographed: No –  Photographed By: Not Recorded
*** Last updated on 15 January 2026 by TD ***
Wingspan: 22-25mm
Forewing: 11-13mm Food Plant: Bedstraws and Field Bindweed.
Last Recorded Year: 2019
Last Recorded By – Marion Bryce
Last Recorded General Area – Long Eaton
Selected Images:  No images


Image Gallery

No gallery images found for this moth.


Monthly Occurrence For Years Below
Adults: (between 1967 - 2010)
(click legend below to show/hide datasets)
 

Distribution Map for Idaea emarginata

Found 30 records
    ↳ from 2026+
    ↳ from 2020 - 2025
    ↳ 30 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 – Idaea emarginata

⚠️ 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: Idaea emarginata
( data includes both Larvae and Adult Stages )
No data returned from the database.

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


First/Last Recorded Dates: Idaea emarginata
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: Idaea emarginata
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Idaea emarginata
AGR: 0%   |   Total % Change: 0%

Hectad (10kmx10km) Coverage: Idaea emarginata
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Idaea emarginata

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 - Idaea emarginata – 30 records available

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

Site NameTetradDateCountStageRecorderSourceRecordKey
Wilmot St,Long EatonSK43R10/07/20101AdultB.G. Sewellvc57_danes_bc_dataLC000334001OKUZP
Armitage Drive, Long EatonSK53B25/07/20031AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OI4NX
Armitage Drive, Long EatonSK53B10/07/20021AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OJ2QX
Springfield Ave, SandiacreSK43S16/07/19921AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIWDM
Shardlow Hall, Shardlow, Long EatonSK43F01/08/19842AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIQYR
Shardlow Hall, Shardlow, Long EatonSK43F01/08/19842AdultR.H. Dumelowvc57_danes_bc_dataLC000334001WPJHN
Shardlow Hall, Shardlow, Long EatonSK43F30/07/19841AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIQXV
Shardlow Hall, Shardlow, Long EatonSK43F30/07/19841AdultR.H. Dumelowvc57_danes_bc_dataLC000334001WON0K
Shardlow Hall, Shardlow, Long EatonSK43F21/07/19841AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIAQ3
Shardlow Hall, Shardlow, Long EatonSK43F21/07/19841AdultR.H. Dumelowvc57_danes_bc_dataLC000334001WOMZS
Shardlow Hall, Shardlow, Long EatonSK43F26/07/19831AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIAM4
Shardlow Hall, Shardlow, Long EatonSK43F26/07/19831AdultR.H. Dumelowvc57_danes_bc_dataLC000334001WP166
Shardlow Hall, Shardlow, Long EatonSK43F18/07/19831AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIALE
Shardlow Hall, Shardlow, Long EatonSK43F18/07/19831AdultR.H. Dumelowvc57_danes_bc_dataLC000334001WOOJP
Wilmot St, Sawley, Long EatonSK43R16/07/19822AdultA. Braddockvc57_danes_bc_dataLC000334001OIOY9
Shardlow Hall, Shardlow, Long EatonSK43F14/07/19821AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHYNO
Shardlow Hall, Shardlow, Long EatonSK43F14/07/19821AdultR.H. Dumelowvc57_danes_bc_dataLC000334001WP9DS
Askew Grove, ReptonSK32D13/07/19821AdultD.A. Youngvc57_danes_bc_dataLC000334001OHHZG
Hilton NR, Hilton, Burton on TrentSK23K09/07/19823AdultA. Braddockvc57_danes_bc_dataLC000334001OIOTH
Shardlow Hall, Shardlow, Long EatonSK43F12/08/19811AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIO2I
Shardlow Hall, Shardlow, Long EatonSK43F12/08/19811AdultR.H. Dumelowvc57_danes_bc_dataLC000334001WQ3O0
Shardlow Hall, Shardlow, Long EatonSK43F04/08/19811AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OINZ8
Shardlow Hall, Shardlow, Long EatonSK43F04/08/19811AdultR.H. Dumelowvc57_danes_bc_dataLC000334001WP97K
Shardlow Hall, Shardlow, Long EatonSK43F12/07/19732AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHF2I
Shardlow Hall, Shardlow, Long EatonSK43F11/07/19731AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHF2G
Shardlow Hall, Shardlow, Long EatonSK43F10/07/19732AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHF2D
Shardlow Hall, Shardlow, Long EatonSK43F11/07/19671AdultUnknownvc57_danes_bc_dataLC000334001OHW0T
Barrow on Trent, Derby (site not precise)SK32P01/01/18851Adult[VC57 Recorder]vc57_danes_bc_dataLC000334001TAGF0
Barrow on Trent, Derby (site not precise)SK32P01/01/18851AdultG.A. Smallwoodvc57_danes_bc_dataLC000334001WPQ3I
Repton (site not precise)SK32B01/01/18001AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OJYI3

Small Fan-footed Wave       Riband Wave

Copyright Tony Davison © 2024 - 2026 www.derbyshiremoths.org

Scroll to Top