– click for Adult Macro Verification Guidelines
– Rare / Uncommon / Scarce
– easy to identify, generally distinctive and unlikely to be confused with other species.ID pointers: The forewing is grey and tinged with lilac and brow. There are two yellowish-white “8” shaped symbols which are diagnostic. The outer shape can be more variable.
Distribution: (Last record: 7 October 2023 at Chaddesden, Derby ) – A late flying moth that is widely distributed, but generally uncommon common. Main stronghold is in the eastern side of Derbyshire, and virtually absent from the uplands. Not been recorded from the Peak Grit.
*** Last updated on 2 October 2025 by RP ***
Forewing: 15-19mm
Last Recorded Year: 2023
Last Recorded By – Martin Roome
Last Recorded General Area – Chaddesden, Derby
Selected Images: Stonebroom 25th September 2023 – Jonathan Bradley © / South Wood/Piston Hill area 7th October 2023 – Martin Roome ©
Image Gallery
No gallery images found for this moth.
Distribution Map for Diloba caeruleocephala
Found 122 records
↳ 0 from After 2025
↳ 3 from 2020 - 2024
↳ 119 from Before 2020
↳ 0 from After 2025
↳ 3 from 2020 - 2024
↳ 119 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 – Diloba caeruleocephala
⚠️ 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:
Diloba caeruleocephala
( data includes both Larvae and Adult Stages )
Monthly Counts By Year: Diloba caeruleocephala
( data is based on 'Adult' stage records only. )
First/Last Recorded Dates: Diloba caeruleocephala
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: Diloba caeruleocephala
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Diloba caeruleocephala
AGR: 0% | Total % Change: 0%
CUSUM Analysis: Diloba caeruleocephala
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 15 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 8 (August) 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 2009, reaching above average levels. The lowest population point occurred near 2005, 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: Diloba caeruleocephala
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Diloba caeruleocephala
Diloba caeruleocephala
( 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 - Diloba caeruleocephala – 122 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Source |
|---|---|---|---|---|---|
| Shirland - Hallfieldgate Lane | SK35Z | 09/10/2023 | 1 | Adult | vc57_irecords_extract |
| Stonebroom | SK45E | 22/09/2023 | 1 | adult | vc57_irecords_extract |
| Shirland - Hallfieldgate Lane | SK35Z | 15/10/2022 | 1 | Adult | vc57_irecords_extract |
| Pleasley Pit CP, Pleasley | SK46X | 25/10/2015 | 1 | Adult | vc57_danes_bc_data |
| Chellaston, Derby (site not precise) | SK33Q | 01/09/2015 | 1 | Adult | vc57_danes_bc_data |
| Coxbench (site not precise) | SK34R | 23/10/2014 | 1 | Adult | vc57_danes_bc_data |
| Repton (site not precise) | SK32B | 03/09/2013 | 2 | Adult | vc57_danes_bc_data |
| Repton (site not precise) | SK32B | 03/09/2013 | 1 | Larvae | vc57_danes_bc_data |
| Backgarden Marehay | SK34Z | 01/10/2011 | 1 | adult | vc57_irecords_extract |
| Bamford St,Ripley | SK34Z | 01/10/2011 | 1 | Adult | vc57_danes_bc_data |
| Repton (site not precise) | SK32B | 01/09/2009 | 3 | Adult | vc57_danes_bc_data |
| Ault Hucknall,Glapwell | SK46S | 14/10/2007 | 3 | Adult | vc57_danes_bc_data |
| Carsington Resr (Rangers' Base) | SK25K | 10/10/2006 | 2 | Adult | vc57_danes_bc_data |
| Ault Hucknall,Glapwell | SK46S | 02/10/2006 | 1 | Adult | vc57_danes_bc_data |
| South Wood, Calke, Ticknall | SK32Q | 10/10/2006 | 3 | Adult | vc57_danes_bc_data |
| Ault Hucknall,Glapwell | SK46S | 14/10/2006 | 1 | Adult | vc57_danes_bc_data |
| Charlesworth St,Carr Vale,Bolsover | SK46U | 16/10/2005 | 1 | Adult | vc57_danes_bc_data |
| Ault Hucknall,Glapwell | SK46S | 26/09/2004 | 1 | Adult | vc57_danes_bc_data |
| Wilmot St, Sawley, Long Eaton | SK43R | 28/10/1999 | 1 | Adult | vc57_danes_bc_data |
| Shipley Park Visitor Centre,Ilkeston | SK44H | 03/06/1997 | 1 | Larvae | vc57_danes_bc_data |
| Shipley Park Visitor Centre,Ilkeston | SK44H | 03/06/1997 | 1 | Larvae | vc57_danes_bc_data |
| The Field,Shipley,Ilkeston | SK44M | 29/06/1995 | 7 | Adult | vc57_danes_bc_data |
| Pond House, Mapperley Res, Ilkeston | SK44G | 14/10/1992 | 3 | Adult | vc57_danes_bc_data |
| Pond House, Mapperley Res, Ilkeston | SK44G | 14/10/1992 | 3 | Adult | vc57_danes_bc_data |
| Pond House, Mapperley Res, Ilkeston | SK44G | 10/10/1991 | 6 | Adult | vc57_danes_bc_data |
| Pond House, Mapperley Res, Ilkeston | SK44G | 10/10/1991 | 6 | Adult | vc57_danes_bc_data |
| Carsington Ave, Allestree, Derby | SK33J | 12/10/1990 | 1 | Adult | vc57_danes_bc_data |
| Carsington Ave, Allestree, Derby | SK33J | 12/10/1990 | 1 | Adult | vc57_danes_bc_data |
| along Erewash Canal, Ilkeston | SK44S | 01/06/1987 | 1 | Larvae | vc57_danes_bc_data |
| along Erewash Canal, Ilkeston | SK44S | 01/06/1987 | 1 | Larvae | vc57_danes_bc_data |
| Elvaston Park (Hall), Derby | SK43B | 29/10/1986 | 1 | Adult | vc57_danes_bc_data |
| Elvaston Park (Hall), Derby | SK43B | 06/10/1986 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 06/10/1985 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 13/10/1985 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 14/10/1985 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 18/10/1985 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 06/10/1985 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 13/10/1985 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 14/10/1985 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 18/10/1985 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 25/10/1984 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 06/10/1984 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 06/10/1984 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 25/10/1984 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 08/10/1983 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 19/10/1983 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 08/10/1983 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 19/10/1983 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 29/09/1983 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 29/09/1983 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 10/10/1982 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 26/10/1982 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 10/10/1982 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 26/10/1982 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 01/11/1981 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 01/11/1981 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 18/10/1981 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 18/10/1981 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 26/10/1980 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 26/10/1980 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 01/11/1979 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 01/11/1979 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 12/10/1979 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 13/10/1979 | 2 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 19/10/1979 | 2 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 12/10/1979 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 13/10/1979 | 2 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 19/10/1979 | 2 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 08/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 10/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 12/10/1978 | 7 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 24/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 26/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 27/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 05/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 06/10/1978 | 2 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 07/10/1978 | 3 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 13/10/1978 | 3 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 15/10/1978 | 8 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 15/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 05/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 06/10/1978 | 2 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 26/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 27/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 10/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Shardlow Hall, Shardlow, Long Eaton | SK43F | 15/10/1978 | 1 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 08/10/1977 | 1 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 09/10/1977 | 2 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 20/10/1977 | 1 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 21/10/1977 | 1 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 23/10/1977 | 3 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 14/10/1977 | 1 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 18/10/1977 | 9 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 19/10/1977 | 4 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 21/10/1976 | 3 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 23/10/1976 | 1 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 11/10/1976 | 3 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 02/11/1975 | 1 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 17/10/1975 | 2 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 20/10/1974 | 2 | Adult | vc57_danes_bc_data |
| Field Close, Hilton, Burton on Trent | SK23K | 27/10/1974 | 2 | Adult | vc57_danes_bc_data |
| Welbeck Rd, Bolsover | SK47V | 05/10/1969 | 1 | Adult | vc57_danes_bc_data |
| Welbeck Rd, Bolsover | SK47Q | 06/10/1969 | 1 | Adult | vc57_danes_bc_data |
| Paulet School, Brizlincote, Burton on Trent | SK22K | 07/10/1969 | 1 | Adult | vc57_danes_bc_data |
| Paulet School, Brizlincote, Burton on Trent | SK22K | 08/10/1969 | 1 | Adult | vc57_danes_bc_data |
| Paulet School, Brizlincote, Burton on Trent | SK22K | 12/10/1969 | 1 | Adult | vc57_danes_bc_data |
| Paulet School, Brizlincote, Burton on Trent | SK22K | 15/10/1969 | 2 | Adult | vc57_danes_bc_data |
| Paulet School, Brizlincote, Burton on Trent | SK22K | 17/10/1969 | 1 | Adult | vc57_danes_bc_data |
| Ault Hucknall,Glapwell | SK46S | 21/10/1966 | 1 | Adult | vc57_danes_bc_data |
| The Old Manse, Ault Hucknall, Glapwell | SK46S | 21/10/1966 | 1 | Adult | vc57_danes_bc_data |
| Ramcroft Colliery, Palterton, Bolsover | SK46N | 03/11/1955 | 1 | Adult | vc57_danes_bc_data |
| Ramcroft Colliery, Palterton, Bolsover | SK46N | 03/11/1955 | 1 | Adult | vc57_danes_bc_data |
| Normanton, Derby (site not precise) | SK33L | 01/09/1932 | 1 | Adult | vc57_danes_bc_data |
| Normanton, Derby (site not precise) | SK33L | 01/09/1932 | 1 | Adult | vc57_danes_bc_data |
| Chellaston, Derby (site not precise) | SK33Q | 01/09/1915 | 1 | Adult | vc57_danes_bc_data |
| Coxbench (site not precise) | SK34R | 23/10/1914 | 1 | Adult | vc57_danes_bc_data |
| Derby (site not precise) | SK33L | 01/01/1913 | 2 | Adult | vc57_danes_bc_data |
| Derby (site not precise) | SK33L | 01/01/1913 | 2 | Adult | vc57_danes_bc_data |
| Repton (site not precise) | SK32B | 01/01/1910 | 1 | Adult | vc57_danes_bc_data |
| Repton (site not precise) | SK32B | 01/01/1910 | 1 | Adult | vc57_danes_bc_data |
| Repton (site not precise) | SK32B | 01/01/1878 | 1 | Adult | vc57_danes_bc_data |
| Repton (site not precise) | SK32B | 01/01/1800 | 1 | Adult | vc57_danes_bc_data |