70.115 BF1873 - Welsh Wave - Geometridae - Venusia cambrica
70.115 BF1873  – Welsh Wave  – Venusia cambrica  – (Curtis, 1839)
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  >> Larentiinae
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Waved Carpet
ID pointers: Characterised by a pair of blackish spikes projecting from the centre of the post median cross-line. Ground colour is usually a whitish-grey. There is a dark form bradyi, where forewing is a dark-grey and most of the markings are obscured. Waved Carpet (Hydrelia sylvata) is similar but with cross-lines less distinct and lacking the pair of spikes.
Distribution:  (Last record: 11 July 2025 at Cromford )  –  Very few records of this species, only six since 2010. It is a resident of the woodlands of the upland gritstone areas, where it can be numerous amongst the Rowan. It may just be under-recorded. One from Cromford 11/7/2025
General Comment: None
Flight Period: July /  August –  On the wing – July – August Moth Activity: Nocturnal   – but often seen by day Photographed: Yes –  Photographed By: Christian Heintzen, Graham Finch, Tony Sinnott, Clive Ashton  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 27-30mm
Food Plant: Rowan (Sorbus aucuparia).
Last Recorded Year: 2025
Last Recorded By – Clive Ashton
Last Recorded General Area – Cromford

Selected Images:  Wildboar Clough, Longdendale, Derbyshire 07/07/2023 – Christian Heintzen ©    /   Matlock, Derbyshire 23/06/2005 Graham Finch © / Cromford (2025) Clive Ashton©



Temporal Distribution Chart
Adults: (between 1909 - 2025)
(click legend below to show/hide datasets)

Distribution Map for Venusia cambrica

Found 42 records
    ↳ from 2026+
    ↳ 5 from 2020 - 2025
    ↳ 37 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 – Venusia cambrica

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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: Venusia cambrica
( data includes both Larvae and Adult Stages )

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

First/Last Recorded Dates: Venusia cambrica
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: Venusia cambrica
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Venusia cambrica
AGR: 4.17%   |   Total % Change: 166.7%

Hectad (10kmx10km) Coverage: Venusia cambrica
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Venusia cambrica

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 - Venusia cambrica – 42 records available

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

Site NameTetradDateCountStageRecorderSourceRecordKey
upper cromford gardenSK25Y29/07/20251adultAshton, Clivevc57_irecords_extractiBRC44038673
Cromford MoorSK25X13/07/20256adultAshton, Clivevc57_irecords_extractiBRC43425725
upper cromford gardenSK25Y11/07/20251adultAshton, Clivevc57_irecords_extractiBRC43358943
Longdendale, Wildboar CloughSK09U07/07/20231adultHeintzen, Christianvc57_irecords_extractiBRC36336615
Clarkes Plantation, Two Dales, MatlockSK26W23/07/20215adultBUDWORTH, Mr D.Danes_2019-2021145
Yew Tree FarmSK36H22/07/20181adultSinnott, Tonyvc57_irecords_extractiBRC38923204
Bilberry Wood, AmbergateSK35L02/08/20121AdultDave Budworth;P. Patrickvc57_danes_bc_dataLC000334001OL8GM
Flash Lane,Beeley MoorSK26X27/06/20111AdultA. Butler;B.L. Stathamvc57_danes_bc_dataLC000334001OJS4X
The Hollies,Station Rd,Darley DaleSK26R16/08/20091AdultRoddis, Simonvc57_danes_bc_dataLC000334001OJN2R
The Mays,Malthouse Lane,FroggattSK27N28/06/20091AdultBarnacle, Brianvc57_danes_bc_dataLC000334001OJM7H
The Mays,Malthouse Lane,FroggattSK27N28/06/20091AdultB. Barnacle;K. Barnaclevc57_danes_bc_dataLC000334001WP75U
Flash Lane,Beeley MoorSK26X26/06/20096AdultB.L. Stathamvc57_danes_bc_dataLC000334001OKNWB
Flash Lane,Beeley MoorSK26X16/07/200611AdultB.L. Stathamvc57_danes_bc_dataLC000334001OHTKG
Alport Dale, nr Ladybower ResrSK18P18/07/20052AdultH.E. Beaumont;R.F. Botterillvc57_danes_bc_dataLC000334001OJA04
Seventy Acre Woods/Flash Lane, DerbyshireSK26Y23/06/20059adultFinch, Graham Leonardvc57_irecords_extractiBRC35107109
Beeley (Seventy Acre Wood)SK26Y23/06/20059AdultFinch, Graham Leonardvc57_danes_bc_dataLC000334001OIF78
Blackrocks,CromfordSK25X31/07/20041AdultC. Stubbs;M.J. Stubbsvc57_danes_bc_dataLC000334001OHQN5
Halldale Wood,nr Darley DaleSK26X17/06/20041AdultA. Butlervc57_danes_bc_dataLC000334001OJ5WB
Blacka Moor, Dore, SheffieldSK28V06/06/20031AdultBOTTERILL, Mr R.F., BEAUMONT, Mr H.E., HOUSLEY, Mrvc57_danes_bc_dataLC000334001OIBT4
Blacka Moor, Dore, SheffieldSK28V06/06/20031AdultSorby Nat Hist Soc;H.E. Beaumont;P. Housley;R.F. Bvc57_danes_bc_dataLC000334001WQ64T
Ravenstor YHASK17L23/06/20011AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OJ28B
Flash Lane,Beeley Moor (site not precise)SK26X14/07/199914AdultB.L. Stathamvc57_danes_bc_dataLC000334001OI3L5
Flash Lane,Beeley Moor (site not precise)SK26X09/07/19991AdultSTATHAM, Mr B.L., VILES, Mr I.M., TRAVERS-AYRE, Mrvc57_danes_bc_dataLC000334001OHO3Z
Broadhurstedge Plantation, New MillsSJ98Y27/07/19901AdultS.H. Hindvc57_danes_bc_dataLC000334001OHKYR
Broadhurstedge Plantation, New MillsSJ98Y27/07/19901AdultS.H. Hindvc57_danes_bc_dataLC000334001WQ54N
Foxholes Lane, Tansley (site not precise)SK36F22/07/19891AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OITU5
Matlock (Teacher Training College)SK36A24/07/19821AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIADS
Matlock Moor, Cuckoostone (near golf course)SK36B06/07/19821AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIORR
Matlock (Teacher Training College)SK36A13/08/19811AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIO2S
Matlock (Teacher Training College)SK36A10/08/19801AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHH43
Matlock (Teacher Training College)SK36A30/07/19801AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHH18
Matlock Moor, Cuckoostone (site not precise)SK36B13/07/198020AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OIMJY
Flash Lane,Beeley MoorSK26X26/07/19751AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHFIG
Goyt Valley, Buxton (site not precise)SK07C15/07/19622AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHECU
Goyt Valley, Buxton (site not precise)SK07C13/07/19612AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OHVSI
Goyt Valley, Buxton (site not precise)SK07C11/07/19612AdultA. Richardsonvc57_danes_bc_dataLC000334001OIGXC
Holy Moor, Holymoorside (site not precise)SK36J08/07/19231AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001OID9Z
Holy Moor, Holymoorside (site not precise)SK36J01/07/19221AdultS. Hookevc57_danes_bc_dataLC000334001OID9Q
Chesterfield (site not precise)SK37G04/08/19091AdultS. Hookevc57_danes_bc_dataLC000334001OHDD5
Goyt's Moss, Buxton (site not precise)SK07C01/01/19031Adult[VC57 Recorder]vc57_danes_bc_dataLC000334001TAG7M
Lathkill Dale (site not precise)SK16S01/01/19021Adult[VC57 Recorder]vc57_danes_bc_dataLC000334001TAG8V
Grindleford, FroggattSK27N01/01/19001Adult[VC57 Recorder]vc57_danes_bc_dataLC000334001TAGBK

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