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– Rare / Uncommon / Scarce
– easy to identify, generally distinctive and unlikely to be confused with other species.ID pointers: An attractive and unmistakeable Crambid. The forewing is shining white with brown markings creating four rounded white blotches across each forewing.
Distribution: (Last record: 6 September 2024 at Long Eaton ) – Latest record – 2024 – Described as locally common and sometimes abundant, but very few modern county records. Seems to be associated with Bur-reed.
*** Last updated on 2 October 2025 by RP ***
Last Recorded Year: 2024
Last Recorded By – Marion Bryce
Last Recorded General Area – Long Eaton
Selected Images: Sandiacre, Derbyshire – Emily Louise Milnes©
Image Gallery
No gallery images found for this moth.
Distribution Map for Nymphula nitidulata
Found 16 records
↳ 2 from After 2025
↳ 7 from 2020 - 2024
↳ 7 from Before 2020
↳ 2 from After 2025
↳ 7 from 2020 - 2024
↳ 7 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.
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NBN Atlas UK Distribution - This moth may be an aggregate and as such no specific records of distribution exist.
Monthly Records By Year:
Nymphula nitidulata
( data includes both Larvae and Adult Stages )
Monthly Counts By Year: Nymphula nitidulata
( data is based on 'Adult' stage records only. )
First/Last Recorded Dates: Nymphula nitidulata
Adult-only & Anything [Larvae, Pupae, Adult, Mines]
Shading shows moth presence between dates
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Recordings By Year: Nymphula nitidulata
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Nymphula nitidulata
AGR: 0% | Total % Change: 0%
CUSUM Analysis: Nymphula nitidulata
About this chart: CUSUM (Cumulative Sum) charts track long-term trends in moth populations [ filtered by 'Adult' and 'Mine' life stages ] by showing whether each year’s counts are above or below the historical average. Even small shifts build up over time, making trends of growth, stability, or decline easier to see. CUSUM highlights trend-consistency — asking: “Across the years, have moth counts mostly stayed above or below average?”
The data sample has 19 gap year/s here (zero records) between 2000 and 2025. The moth may have been present in those gap years, but no data was available. Too many year-gaps may exaggerate or skew the chart.
Counts for the current year (2025) are pro-rated based on data available up to month 9 (September) to provide a full-year equivalent.
ⓘ
Purple line rises = years better than average; falls = years worse than average.
Peak (best year)
Trough (worst year)
Growth periods
Decline periods
Population peaked around 2019, reaching above average levels. The lowest population point occurred near 2013, showing a significant decline.
What the Y-axis "Cumulative Deviation" means: Cumulative Deviation shows the running total of how each year’s moth population count differs from the long-term average. i
Hectad (10kmx10km) Coverage: Nymphula nitidulata
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Nymphula nitidulata
Nymphula nitidulata
( data includes Adult Stage only )
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 2020-2025.
Records Behind the Map and Charts - Nymphula nitidulata – 16 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Source |
|---|---|---|---|---|---|
| Findern, Derbyshire | SK33A | 11/08/2025 | 1 | adult | vc57_irecords_extract |
| Cown Edge Farm marsh | SK09A | 17/06/2025 | 1 | adult | vc57_irecords_extract |
| West Park Fox Covert LNR | SK43W | 06/09/2024 | 2 | adult | vc57_irecords_extract |
| Woodland Ave | SK43R | 30/08/2024 | 1 | adult | vc57_irecords_extract |
| Sandiacre Garden | SK43T | 18/07/2024 | 1 | adult | vc57_irecords_extract |
| Sandiacre Garden | SK43T | 25/06/2024 | 1 | adult | vc57_irecords_extract |
| Woodland Ave | SK43R | 18/07/2021 | 1 | adult | vc57_irecords_extract |
| Woodland Ave | SK43R | 02/07/2021 | 1 | adult | vc57_irecords_extract |
| Highfield Drive, Matlock | SK36A | 25/06/2020 | 1 | adult | Danes_2019-2021 |
| Clover Close, Elvaston | SK43B | 26/07/2019 | 2 | adult | vc57_irecords_extract |
| Lang Rd, Alvaston, Derby | SK33R | 24/07/2019 | 1 | adult | Danes_2019-2021 |
| Midway Rd,Midway,Swadlincote | SK32A | 06/07/2013 | 1 | Adult | vc57_danes_bc_data |
| Westcroft Ave,Littleover,Derby | SK33G | 25/06/2006 | 1 | Adult | vc57_danes_bc_data |
| Parkway, New Mills | SK08D | 02/07/1994 | 1 | Adult | vc57_danes_bc_data |
| Repton (site not precise) | SK32B | 09/07/1981 | 1 | Adult | vc57_danes_bc_data |
| Cromford (Canal) (site not precise) | SK35C | 22/08/1973 | 1 | Adult | vc57_danes_bc_data |