73.021 BF2447 – Scarce Silver Y – Syngrapha interrogationis – (Linnaeus, 1758)
Adult Macro: CAT 2 – Can be confused with other species – Good photographs may be required – 
– click for Adult Macro Verification Guidelines
– click for Adult Macro Verification Guidelines
– Rare / Uncommon / Scarce 
– Day-flying
– easy to identify, generally distinctive and unlikely to be confused with other species.ID pointers: The forewing is attractively marbled in greys, blacks and silvery markings. There is an obvious creamy, silvery white “Swiggle” marking in the central forewing and a zig-zag black cross-line along outer edge are all diagnostic features.
Distribution: A resident that is locally common on the upland moors of Derbyshire. The eastern moors from Froggatt to Matlock are the prime areas for this species, with scattered records further northwest. The moth flies in the day as well as night. Specimens outside of the main area are considered to be strays or vagrants.
General Comment: None *** Last updated on 12 January 2026 by TD ***
Forewing: 15-18mm
Last Recorded By – Not Recorded
Last Recorded General Area – Not Recorded
Selected Images: North Derbyshire – Tony Davison © / Glossop 24/6/2025 – Christian Heintzen©
Image Gallery
Temporal Distribution Chart
Adults: (between 1955 - 2025) | Immatures: (between 1966 - 1998)
(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 Syngrapha interrogationis
Found 93 records
↳ from 2026+
↳ 28 from 2020 - 2025
↳ 65 from Before 2020
↳ from 2026+
↳ 28 from 2020 - 2025
↳ 65 from Before 2020
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 – Syngrapha interrogationis
⚠️ 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.
Monthly Records By Year:
Syngrapha interrogationis
( data includes both Larvae and Adult Stages )
Monthly Counts By Year:
Syngrapha interrogationis
( data is based on 'Adult' stage records only )
First/Last Recorded Dates: Syngrapha interrogationis
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: Syngrapha interrogationis
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Syngrapha interrogationis
AGR: 0.87% | Total % Change: 23.1%
Hectad (10kmx10km) Coverage: Syngrapha interrogationis
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Syngrapha interrogationis
Syngrapha interrogationis
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 - Syngrapha interrogationis – 93 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Recorder | Source | RecordKey |
|---|---|---|---|---|---|---|---|
| Glossop, lower Bakestone Delph Clough | SK09K | 28/07/2025 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980710 |
| Glossop, Hague Street, Hay Meadow | SK09G | 25/07/2025 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980628 |
| Kinder Scout, landslide at northwest corner of plateau | SK08U | 24/07/2025 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980587 |
| Longdendale, Torside Clough, Crags at m | SK09T | 22/07/2025 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980562 |
| Dowstone Clough, Yellow Slacks | SK09S | 17/07/2025 | 2 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980380 |
| Longdendale, Wildboar Clough, Rollick Stones | SK09U | 16/07/2025 | 2 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980346 |
| Birch Vale | SK08I | 12/07/2025 | 1 | adult | Hewitt, Jane | vc57_irecords_extract | iBRC47544722 |
| Derbyshire Wild Life Trust Long Clough, Herod Clough | SK09G | 11/07/2025 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980190 |
| Charlesworth, Glossop, UK | SK09T | 09/07/2025 | 1 | Adult | Lees, Alexander | vc57_irecords_extract | iBRC43174348 |
| Longdendale, Long Gutter Edge Woodland | SK09U | 08/07/2025 | 2 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980034 |
| Derbyshire Wild Life Trust Long Clough | SK09G | 27/06/2025 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43979755 |
| Ladycroft Ave, Buxton | SK07S | 24/06/2025 | 1 | adult | Orridge, Steve | vc57_irecords_extract | iBRC42895992 |
| Glossop, Gnat Hole Rough Fields | SK09L | 24/06/2025 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43979670 |
| Glossop, Upper Bray Clough | SK09K | 27/08/2024 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC38473447 |
| Glossop, Chunal Moor | SK09F | 20/08/2024 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC38473302 |
| Glossop, Gnat Hole Rough Fields | SK09L | 01/08/2024 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC38472630 |
| Mellor | SJ98Z | 25/07/2024 | 1 | adult | Knass, David | vc57_irecords_extract | iBRC37387880 |
| Owler Bar, Sheffield SBQ, UK | SK27U | 24/07/2024 | 1 | Adult | drtimk | vc57_irecords_extract | iBRC37822939 |
| Glossop, Black Moor (m altitude) | SK09Q | 15/08/2023 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC36337301 |
| Longdendale, Wildboar Clough | SK09U | 13/08/2023 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC36337282 |
| Glossop, Moorfield, Wood's Cabin | SK09L | 19/07/2023 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC36336778 |
| Glossop, The Twitchlings | SK09K | 16/07/2023 | 4 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC36336713 |
| Glossop, Shawmoor Plantation | SK09F | 13/07/2023 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC36336687 |
| Longdendale, Wildboar Clough | SK09U | 07/07/2023 | 4 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC36336608 |
| Derbyshire Wild Life Trust Long Clough | SK09G | 02/07/2023 | 1 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC36336543 |
| Bemrose Gate | SK28C | 25/06/2023 | 1 | adult | Feetham, Pete | vc57_irecords_extract | iBRC31096332 |
| Glossop SK, UK | SK09G | 13/08/2020 | 1 | Adult | halimione | vc57_irecords_extract | iBRC22405702 |
| The Mays, Malthouse Lane, Froggatt | SK27N | 01/08/2020 | 1 | adult | BARNACLE, Mr B.&.Mrs.K. | Danes_2019-2021 | 462 |
| Birch Vale | SK08I | 18/07/2018 | 1 | adult | Hewitt, Jane | vc57_irecords_extract | iBRC40107017 |
| Birch Vale | SK08I | 11/07/2018 | 1 | adult | Hewitt, Jane | vc57_irecords_extract | iBRC40106841 |
| Birch Vale | SK08I | 03/07/2018 | 1 | adult | Hewitt, Jane | vc57_irecords_extract | iBRC40106551 |
| Birch Vale | SK08I | 30/06/2018 | 2 | adult | Hewitt, Jane | vc57_irecords_extract | iBRC40106393 |
| Birch Vale | SK08I | 03/08/2017 | 1 | adult | Hewitt, Jane | vc57_irecords_extract | iBRC40499992 |
| Birch Vale | SK08I | 24/07/2017 | 1 | adult | Hewitt, Jane | vc57_irecords_extract | iBRC40500283 |
| Stainery Clough | SK19T | 11/07/2014 | 1 | Adult | Whiteley, Derek | vc57_irecords_extract | iBRC3039534 |
| School Close,Parkway Gardens,Darley Dale | SK26R | 13/08/2013 | 2 | Adult | A. Butler | vc57_danes_bc_data | LC000334001OJXH4 |
| School Close,Parkway Gardens,Darley Dale | SK26R | 13/08/2013 | 2 | Adult | A. Butler | vc57_danes_bc_data | LC000334001WQF4J |
| Beeley Moor, Beeley | SK26Y | 05/08/2011 | 3 | Adult | A. Butler | vc57_danes_bc_data | LC000334001OL3AB |
| Beeley Moor, Beeley | SK26Y | 05/08/2011 | 3 | Adult | A. Butler | vc57_danes_bc_data | LC000334001WPLSB |
| The Hollies,Station Rd,Darley Dale | SK26R | 19/10/2008 | 1 | Adult | Roddis, Simon | vc57_danes_bc_data | LC000334001OKF66 |
| Glossop (Shire Hill Quarry) | SK09M | 22/07/2008 | 6 | Adult | Colin Plant | vc57_danes_bc_data | LC000334001OK072 |
| Beeley Moor Triangle | SK26Y | 25/08/2007 | 2 | adult | Finch, Graham Leonard | vc57_irecords_extract | iBRC35105416 |
| Beeley Triangle,Beeley Moor | SK26Y | 25/08/2007 | 2 | Adult | G.L. Finch;M.A. Finch | vc57_danes_bc_data | LC000334001OJJHP |
| Beeley Triangle, Beeley Moor, Beeley | SK26Y | 25/08/2007 | 2 | Adult | G.L. Finch;M.A. Finch | vc57_danes_bc_data | LC000334001WPP4S |
| Newshaw Lane, Hadfield, Glossop | SK09C | 25/07/2006 | 1 | Adult | P. Bate | vc57_danes_bc_data | LC000334001OJELL |
| Newshaw Lane, Hadfield, Glossop | SK09C | 25/07/2006 | 1 | Adult | P. Bate | vc57_danes_bc_data | LC000334001WPB4T |
| Alport Dale, nr Ladybower Resr | SK18P | 18/07/2005 | 2 | Adult | H.E. Beaumont;R.F. Botterill | vc57_danes_bc_data | LC000334001OHRTS |
| Matlock Moor,Matlock | SK36G | 05/08/2004 | 1 | Adult | F. Harrison | vc57_danes_bc_data | LC000334001OJ7FT |
| Beeley Moor, Beeley (site not precies) | SK26Z | 27/07/2004 | 1 | Adult | A. Butler | vc57_danes_bc_data | LC000334001OJ6ZT |
| Beeley Moor, Beeley (site not precise) | SK26Z | 27/07/2004 | 1 | Adult | A. Butler | vc57_danes_bc_data | LC000334001WQ6BS |
| The Mays,Malthouse Lane,Froggatt | SK27N | 09/08/2003 | 1 | Adult | Barnacle, Brian | vc57_danes_bc_data | LC000334001OHPCV |
| The Mays,Malthouse Lane,Froggatt | SK27N | 09/08/2003 | 1 | Adult | B. Barnacle;K. Barnacle | vc57_danes_bc_data | LC000334001WQE7T |
| Matlock Moor | SK36G | 05/08/2003 | 3 | Adult | F. Harrison | vc57_danes_bc_data | LC000334001OHPB4 |
| Matlock Moor | SK36G | 05/08/2003 | 1 | Adult | F. Harrison | vc57_danes_bc_data | LC000334001OHPB5 |
| Beeley Moor (Triangle) | SK26Y | 25/07/2001 | 1 | Adult | A. Butler | vc57_danes_bc_data | LC000334001OJI4Y |
| Beeley Triangle, Beeley Moor, Beeley | SK26Y | 25/07/2001 | 1 | Adult | A. Butler | vc57_danes_bc_data | LC000334001WOX8D |
| Blacka Moor,Totley | SK28V | 25/08/1999 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OJ1M8 |
| Belley Moor (Slack Lane) | SK26Z | 15/07/1998 | 1 | Larvae | T. Duro | vc57_danes_bc_data | LC000334001OJ0VA |
| Belley Moor (Slack Lane) | SK26Z | 15/07/1998 | 1 | Larvae | T. Duro | vc57_danes_bc_data | LC000334001WP5FR |
| Hallam Moors (Yorks.) | SK28H | 12/08/1997 | 1 | Adult | Whiteley, Derek | vc57_irecords_extract | iBRC3039535 |
| Beeley Moor, Beeley (site not precies) | SK26Z | 29/07/1994 | 21 | Adult | B.L. Statham | vc57_danes_bc_data | LC000334001OIYG1 |
| Woodlands, Combs, Chapel en le Frith | SK07P | 14/08/1993 | 1 | Adult | S.G. Price | vc57_danes_bc_data | LC000334001OIXJV |
| Parkway, New Mills | SK08D | 02/09/1991 | 1 | Adult | J. Potts | vc57_danes_bc_data | LC000334001OIB5O |
| Slagmill Plantation, Beeley Moor (site not precise) | SK36E | 31/08/1991 | 1 | Adult | A. Jenkins | vc57_danes_bc_data | LC000334001OIVO4 |
| Beeley Moor, Beeley (site not precies) | SK26Z | 25/08/1991 | 1 | Adult | A. Jenkins | vc57_danes_bc_data | LC000334001OIVMK |
| Beeley Moor, Beeley (site not precies) | SK26Z | 26/08/1990 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OIUYL |
| Beeley Moor, Beeley (site not precies) | SK26Z | 24/08/1986 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OIB0G |
| Beeley Moor, Beeley (site not precies) | SK26Z | 04/08/1986 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OISAQ |
| Hellbank Plantation, Beeley (site not precise) | SK26Y | 03/08/1984 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OIQZS |
| Slagmill Plantation,Beeley Moor | SK36E | 31/08/1979 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OHGNK |
| Beeley Moor, Beeley (site not precies) | SK26Z | 26/05/1974 | 7 | Larvae | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OHF6L |
| Wragg's Quarry,Rowsley Moor | SK26Y | 10/08/1968 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OHW32 |
| Wragg's Quarry, Beeley Moor, Beeley | SK26Y | 10/08/1968 | 1 | Adult | B. Elliott | vc57_danes_bc_data | LC000334001WQ9UG |
| Wragg's Quarry,Rowsley Moor | SK26Y | 02/08/1966 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OIHF4 |
| Wragg's Quarry, Beeley Moor, Beeley | SK26Y | 02/08/1966 | 1 | Adult | B. Elliott;T.W. Harman | vc57_danes_bc_data | LC000334001WOSXA |
| Hellbank Plantation, Beeley | SK26Z | 29/05/1966 | 1 | Larvae | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OIHDO |
| Wragg's Quarry,Rowsley Moor | SK26Y | 16/08/1965 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OHVZK |
| Wragg's Quarry, Beeley Moor, Beeley | SK26Y | 16/08/1965 | 1 | Adult | B. Elliott | vc57_danes_bc_data | LC000334001WQ91W |
| Gladwin's Mark, Beeley Moor | SK36D | 03/08/1964 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OIH7B |
| Slagmill Plantation,Beeley Moor | SK36E | 31/07/1960 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OHEAB |
| Beeley Moor, Beeley (site not precies) | SK26Z | 14/08/1959 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OHVM9 |
| Beeley Moor, Beeley (site not precise) | SK26Z | 14/08/1959 | 1 | Adult | B.S. Fletcher | vc57_danes_bc_data | LC000334001WPIQ0 |
| Moorend, Beeley, Matlock | SK26T | 03/07/1959 | 2 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OHE0N |
| Moorend, Beeley | SK26T | 03/07/1959 | 2 | Adult | B.S. Fletcher | vc57_danes_bc_data | LC000334001WQ37W |
| Moorend, Beeley, Matlock | SK26T | 02/07/1959 | 2 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OI9KM |
| Moorend, Beeley | SK26T | 02/07/1959 | 2 | Adult | B.S. Fletcher | vc57_danes_bc_data | LC000334001WQ01Y |
| Beeley Plantation, Bakewell (site not precise) | SK26T | 06/08/1957 | 1 | Adult | R. Hawksworth | vc57_danes_bc_data | LC000334001OIDJA |
| Beeley Plantation, Beeley (site not precise) | SK26T | 06/08/1957 | 1 | Adult | R. Hawksworth | vc57_danes_bc_data | LC000334001WOSOQ |
| Beeley Plantation, Bakewell (site not precise) | SK26T | 27/07/1957 | 1 | Adult | R. Hawksworth | vc57_danes_bc_data | LC000334001OHEW4 |
| Beeley Plantation, Beeley (site not precise) | SK26T | 27/07/1957 | 1 | Adult | R. Hawksworth | vc57_danes_bc_data | LC000334001WOSO5 |
| Newbold Ave, Chesterfield | SK37R | 18/07/1957 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OHDOR |
| Newbold Ave, Chesterfield | SK37R | 21/08/1955 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OHDMQ |
| Newbold Ave, Chesterfield | SK37R | 16/08/1955 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001OHDMP |