70.018 BF1715 - Plain Wave - Geometridae - Idaea straminata
70.018 BF1715  – Plain Wave  – Idaea straminata  – (Borkhausen, 1794)
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

Green –  Rare / Uncommon / Scarce   
Taxonomy:   Macro  >>.  >>  Geometridae  >> Sterrhinae
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
ID pointers: Very similar to the un-banded form of Riband Wave (remutata). Slightly smaller with smooth silky grey-brown coloured wings and fainter cross-lines. The third cross-line is missing the kink of Riband Wave.
Distribution:  (First record: 1951 )  –  (Last record: 22 July 2025 at Longdendale )  –  A species that seems to be very scarce and locally distributed in Derbyshire, mainly in the central NW. It maybe overlooked amongst Riband Wave Idea remutata. Usually only single specimens trapped most years. Added to the county list in 1951.
General Comment: None
Flight Period: June /  July /  August –  On the wing – June – August.One generation Moth Activity: Nocturnal   – and is attracted to light Photographed: Yes –  Photographed By: Simon Roddis, Dave Evans, Christian Heintzen  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Forewing: 13-15mm Food Plant: Dandelion, Knotgrass.
Last Recorded Year: 2025
First Recorded Year: 1951
Last Recorded By – Christian Heintzen
Last Recorded General Area – Longdendale

Selected Images:  Darley Dale – Image by Simon Roddis ©  / Belper – 29th June 2018 – Dave Evans © / Torside Clough, Longdendale (2025) Christian Heintzen©



Temporal Distribution Chart
Adults: (between 1951 - 2025)
(click legend below to show/hide datasets)

Distribution Map for Idaea straminata

Found 50 records
    ↳ from 2026+
    ↳ 17 from 2020 - 2025
    ↳ 33 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 – Idaea straminata

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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: Idaea straminata
( data includes both Larvae and Adult Stages )

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

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

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

Flight Periods – Indicative –vs– Recorded Data
Idaea straminata

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 straminata – 50 records available

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

Site NameTetradDateCountStageRecorderSourceRecordKey
Longdendale, Torside Clough, Crags at mSK09T22/07/20251adultHeintzen, Christianvc57_irecords_extractiBRC43980558
Birch ValeSK08I05/07/20251adultHewitt, Janevc57_irecords_extractiBRC47544635
Markham Vale South TipSK47K12/07/20232adultMorris, Sidvc57_irecords_extractiBRC31570780
Ninelands RoadSK28F07/07/20231adultBlues, Clarevc57_irecords_extractiBRC31413003
Hathersage, Derbyshire, UKSK28F07/07/20231adultMiles, Clairevc57_irecords_extractiBRC31477157
Longdendale, Wildboar CloughSK09U07/07/20232adultHeintzen, Christianvc57_irecords_extractiBRC36336604
Longdendale, Long Gutter Edge OaksSK09U28/06/20239adultHeintzen, Christianvc57_irecords_extractiBRC36336448
HathersageSK28F28/06/20231adultKydd, Alanvc57_irecords_extractiBRC39080243
Garden, WaltonSK36U30/07/20221adultPalethorpe, Amandavc57_irecords_extractiBRC41046964
Ninelands RoadSK28F29/07/20221adultBlues, Clarevc57_irecords_extractiBRC27389133
Garden, WaltonSK36U19/07/20223adultPalethorpe, Amandavc57_irecords_extractiBRC41046935
Staveley DerbyshireSK47H14/07/20221adultMorris, Sidvc57_irecords_extractiBRC26903923
Garden, WaltonSK36U13/07/20221adultPalethorpe, Amandavc57_irecords_extractiBRC41046888
Ninelands RoadSK28F31/07/20211adultBlues, Clarevc57_irecords_extractiBRC27391156
Hathersage, Derbyshire, UKSK28F26/07/20211adultMiles, Clairevc57_irecords_extractiBRC29829077
Ninelands RoadSK28F18/07/20211adultBlues, Clarevc57_irecords_extractiBRC27391874
Hathersage, Derbyshire, UKSK28F09/07/20211adultMiles, Clairevc57_irecords_extractiBRC29738291
Hathersage, Derbyshire, UKSK28F25/07/20191adultMiles, Clairevc57_irecords_extractiBRC12494139
Pleasley Pit CP, PleasleySK46X25/07/20191AdultB.J.N. Hillvc57_danes_bc_dataLC000334001WQGSM
Hathersage, Derbyshire, UKSK28F15/07/20191adultMiles, Clairevc57_irecords_extractiBRC12533266
Hathersage, Derbyshire, UKSK28F07/07/20191adultMiles, Clairevc57_irecords_extractiBRC12545701
Pleasley Pit CP, PleasleySK46X06/08/20181AdultB.J.N. Hillvc57_danes_bc_dataLC000334001WPU84
Welbeck Drive, WingerworthSK36T27/07/20181AdultB.J.N. Hillvc57_danes_bc_dataLC000334001WPRAV
Birch ValeSK08I30/06/20181adultHewitt, Janevc57_irecords_extractiBRC40106379
BelperSK34U29/06/20181adultEvans, Davevc57_irecords_extractiBRC38610128
Birch Barn, New Mills Rd, Birch ValeSK08I16/08/20151AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OLF7M
biggib dale bigginSK15P31/07/20141adultadrian gardinervc57_irecords_extractiBRC7033231
biggin daleSK15P01/07/20141adultadrian gardinervc57_irecords_extractiBRC7162671
Cross Green Cottages,Flint Lane,South DarleySK26Q26/08/20131AdultR. Hawksworthvc57_danes_bc_dataLC000334001OKBQH
The Hollies,Station Rd,Darley DaleSK26R15/07/20121AdultRoddis, Simonvc57_danes_bc_dataLC000334001OK9BL
Elgar Drive,Sawley,Long EatonSK43R07/07/20111AdultA. Braddockvc57_danes_bc_dataLC000334001OK6RY
The Hollies,Station Rd,Darley DaleSK26R31/07/20101AdultRoddis, Simonvc57_danes_bc_dataLC000334001OKW8W
Dronfield WoodhouseSK37J03/07/20101adultWilliamson, Andyvc57_irecords_extractiBRC45361747
Calke Park Ticknall Lime YardsSK32R22/07/20073adultFinch, Graham Leonardvc57_irecords_extractiBRC35105940
Ticknall Limeyards,TicknallSK32R22/07/20073AdultFinch, Graham Leonardvc57_danes_bc_dataLC000334001OJJ45
Chase Cliffe Lodge, Crich, AmbergateSK35L22/07/20031AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OJ3Z1
School Close,Parkway Gardens,Darley DaleSK26R04/08/20011AdultA. Butlervc57_danes_bc_dataLC000334001OJ2CB
Woodlands, Combs, Chapel en le FrithSK07P11/07/19921AdultS.G. Pricevc57_danes_bc_dataLC000334001OI1HI
Woodlands, Combs, Chapel en le FrithSK07P13/07/19911AdultS.G. Pricevc57_danes_bc_dataLC000334001OHL7M
Deerlands Rd, Ashgate, ChesterfieldSK37K02/08/19901AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIURJ
Deerlands Rd, Ashgate, ChesterfieldSK37K02/08/19901AdultB. Elliottvc57_danes_bc_dataLC000334001WONB4
Skinner St, Creswell, WorksopSK57H04/08/19881AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OI07Y
Skinner St, Creswell, WorksopSK57H05/07/19831AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIPSQ
Barnard Ave, Coal AstonSK37U01/01/19811AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OINEP
Barnard Ave, Coal AstonSK37U01/01/19811AdultA. Mcleanvc57_danes_bc_dataLC000334001WPWTR
Church St,Holloway,MatlockSK35I10/07/19792AdultF. Harrisonvc57_danes_bc_dataLC000334001OHXHY
Whitwell Wood, Whitwell, Worksop (site not precise)SK57J09/07/19771AdultF. Harrisonvc57_danes_bc_dataLC000334001OHFZW
John St, Clay Cross (garden site assumed)SK36W18/08/19622AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHVTG
John St, Clay Cross (garden site assumed)SK36W13/07/19601AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHVQM
Froggatt Edge, Calver (site not precise)SK27N18/08/19511AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OJHN6

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