63.100 BF1314 – Pearl-banded Grass-moth – Catoptria margaritella – (Denis & Schiffermüller, 1775)
Adult Micro: CAT 1 – Distinctive species unlikely to be confused with others –
– click for General Verification Guidelines | – click for Specific Verification Guidelines
– click for General Verification Guidelines | – click for Specific Verification Guidelines 
– Generally Common / Widespread
– easy to identify, generally distinctive and unlikely to be confused with other species.ID pointers: The broad and long white longitudinal unbroken streak is distinctive.
Distribution: Found on boggy moorlands in the north of the county.
General Comment: None *** Last updated on 2 October 2025 by RP ***
Blue-coded] moths is not displayed/updated in this tab. However, all verified records for this moth are listed in the RECORDS tab below. Selected Images: Crowden Moor, Derbyshire – Rowan Wakefield©
Image Gallery
No gallery images found for this moth.
Temporal Distribution Chart
Adults: (between 2005 - 2025)
(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 Catoptria margaritella
Found 26 records
↳ from 2026+
↳ 13 from 2020 - 2025
↳ 13 from Before 2020
↳ from 2026+
↳ 13 from 2020 - 2025
↳ 13 from Before 2020
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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 – Catoptria margaritella
⚠️ 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:
Catoptria margaritella
( data includes both Larvae and Adult Stages )
Monthly Counts By Year:
Catoptria margaritella
( data is based on 'Adult' stage records only )
First/Last Recorded Dates: Catoptria margaritella
Adult-only & Anything [Larvae, Pupae, Adult, Mines]
Shading shows moth presence between dates
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Recordings By Year: Catoptria margaritella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Catoptria margaritella
AGR: 4.33% | Total % Change: 133.3%
Hectad (10kmx10km) Coverage: Catoptria margaritella
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Catoptria margaritella
Catoptria margaritella
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 - Catoptria margaritella – 26 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Recorder | Source | RecordKey |
|---|---|---|---|---|---|---|---|
| Longdendale, Torside Clough m | SK09T | 22/07/2025 | 3 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980523 |
| Froggatt, Hope Valley | SK27N | 10/07/2025 | 1 | adult | Barnacle, Bryan | vc57_irecords_extract | iBRC43285788 |
| Longdendale, Long Gutter Edge Woodland | SK09U | 08/07/2025 | 3 | adult | Heintzen, Christian | vc57_irecords_extract | iBRC43980029 |
| Froggatt, Hope Valley | SK27N | 24/07/2024 | 1 | adult | Barnacle, Bryan | vc57_irecords_extract | iBRC38738239 |
| Eastmoor, Chesterfield SDE, UK | SK27W | 19/07/2024 | 1 | Adult | Lee Martin | vc57_irecords_extract | iBRC38621160 |
| Hathersage, Derbyshire, UK | SK28F | 29/07/2022 | 1 | adult | Miles, Claire | vc57_irecords_extract | iBRC28567976 |
| Hathersage, Derbyshire, UK | SK28F | 16/07/2022 | 1 | adult | Miles, Claire | vc57_irecords_extract | iBRC28600278 |
| Hathersage, Derbyshire, UK | SK28F | 26/07/2021 | 3 | adult | Miles, Claire | vc57_irecords_extract | iBRC29829047 |
| Hathersage, Derbyshire, UK | SK28F | 23/07/2021 | 1 | adult | Miles, Claire | vc57_irecords_extract | iBRC29828383 |
| Hathersage, Derbyshire, UK | SK28F | 16/07/2021 | 1 | adult | Miles, Claire | vc57_irecords_extract | iBRC29756952 |
| Havercroft Road | SK38L | 09/07/2021 | 1 | Adult | Tait, Malcolm | vc57_irecords_extract | iBRC36368265 |
| The Mays, Malthouse Lane, Froggatt | SK27N | 01/08/2020 | 1 | adult | BARNACLE, Mr B.&.Mrs.K. | Danes_2019-2021 | 455 |
| The Mays, Malthouse Lane, Froggatt | SK27N | 17/07/2020 | 1 | adult | BARNACLE, Mr B.&.Mrs.K. | Danes_2019-2021 | 524 |
| Sheffield, England, United Kingdom | SK38L | 19/07/2016 | 1 | Adult | Mella, Pete | vc57_irecords_extract | iBRC9893046 |
| Norton Lees garden | SK38L | 18/07/2016 | 1 | Adult | Mella, Pete | vc57_irecords_extract | iBRC4417522 |
| The Mays,Malthouse Lane,Froggatt | SK27N | 26/07/2012 | 2 | Adult | Barnacle, Brian | vc57_danes_bc_data | LC000334001COUG5 |
| School Close,Parkway Gardens,Darley Dale | SK26R | 10/07/2012 | 1 | Adult | A. Butler | vc57_danes_bc_data | LC000334001CP7YV |
| Chatsworth Park | SK27Q | 31/07/2011 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33513682 |
| Bamford St,Ripley | SK34Z | 31/07/2011 | 1 | Adult | Thorpe, Steve | vc57_danes_bc_data | LC000334001COU19 |
| The Hollies,Station Rd,Darley Dale | SK26R | 27/07/2011 | 1 | Adult | Roddis, Simon | vc57_danes_bc_data | LC000334001CP7CH |
| The Hollies,Station Rd,Darley Dale | SK26R | 26/07/2011 | 1 | Adult | Roddis, Simon | vc57_danes_bc_data | LC000334001CP7BV |
| The Hollies,Station Rd,Darley Dale | SK26R | 24/07/2011 | 1 | Adult | Roddis, Simon | vc57_danes_bc_data | LC000334001COXTC |
| The Mays,Malthouse Lane,Froggatt | SK27N | 03/07/2011 | 1 | Adult | Barnacle, Brian | vc57_danes_bc_data | LC000334001CP74F |
| Leash Fen,Baslow | SK27X | 01/07/2011 | 1 | Adult | Barnacle, Brian | vc57_danes_bc_data | LC000334001COTWL |
| Far Cross,Cavendish Park,Matlock | SK36A | 16/07/2006 | 1 | Adult | B.L. Statham | vc57_danes_bc_data | LC000334001CP38A |
| Far Cross,Cavendish Park,Matlock | SK36A | 12/07/2005 | 1 | Adult | B.L. Statham | vc57_danes_bc_data | LC000334001CP2OG |