– click for General Verification Guidelines | – click for Specific Verification Guidelines 
– Uncertain/Unknown – Insufficient Data
– care required in the identification process, as confusion with similar species is likely – quality photographs required. Confusion Species: Cnephasia longana – (Buff Grey Tortrix)
ID pointers: A pale yellowish-brown forewing shaded variably with darker colouration and speckled with blackish-brown scales and several brown spots at mid-wing.
Distribution: (Last record: 7 July 2025 at Gang Mine, Cromford ) – Uncertain insufficient data, likely to be a significant record; Harrison & Sterling; 1982 -4 to MV 31/7-01/08/2010 Dove Dale.
One from Waterswallows, Buxton 17/7/2020. One from Gang Mine, Cromford 7/7/2025
General Comment: None *** Last updated on 2 October 2025 by RP ***
Last Recorded Year: 2025
Last Recorded By – Clive Ashton
Last Recorded General Area – Gang Mine, Cromford
Selected Images:
Waterswallows, Buxton (2020) Anthony Marriott©
Image Gallery
No gallery images found for this moth.
Distribution Map for Eana osseana
Found 25 records
↳ from 2026+
↳ 12 from 2020 - 2025
↳ 13 from Before 2020
↳ from 2026+
↳ 12 from 2020 - 2025
↳ 13 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 – Eana osseana
⚠️ 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:
Eana osseana
( data includes both Larvae and Adult Stages )
Monthly Counts By Year: Eana osseana
( data is based on 'Adult' stage records only. )
First/Last Recorded Dates: Eana osseana
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: Eana osseana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Eana osseana
AGR: 7.76% | Total % Change: 380%
Hectad (10kmx10km) Coverage: Eana osseana
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Eana osseana
Eana osseana
( 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 2020-2026.
Records Behind the Map and Charts - Eana osseana – 25 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Source |
|---|---|---|---|---|---|
| Gang Mine, Cromford | SK25X | 09/07/2025 | 16 | adult | vc57_irecords_extract |
| Gang Mine, Cromford | SK25X | 07/07/2025 | 5 | adult | vc57_irecords_extract |
| Gang Mine, Cromford | SK25X | 23/06/2025 | 1 | adult | vc57_irecords_extract |
| Gang Mine, Cromford | SK25X | 19/06/2025 | 1 | adult | vc57_irecords_extract |
| Gang Mine, Cromford | SK25X | 17/06/2025 | 1 | adult | vc57_irecords_extract |
| Longdendale, Wildboar Clough | SK09U | 13/08/2023 | 1 | adult | vc57_irecords_extract |
| Glossop, Moorfield, Wood's Cabin | SK09L | 03/08/2023 | 2 | adult | vc57_irecords_extract |
| Glossop, Moorfield, Wood's Cabin | SK09L | 19/07/2023 | 3 | adult | vc57_irecords_extract |
| Birch Vale | SK08I | 30/07/2022 | 1 | adult | vc57_irecords_extract |
| Smelting HIll, Abney, Derbyshire, England | SK28A | 13/08/2021 | 1 | adult | vc57_irecords_extract |
| Hathersage, Derbyshire, UK | SK28F | 31/07/2021 | 1 | adult | vc57_irecords_extract |
| Waterswallows Quarry | SK07X | 17/07/2020 | 1 | not recorded | vc57_irecords_extract |
| Dovedale | SK15K | 01/08/2011 | 1 | Adult | vc57_danes_bc_data |
| Dovedale | SK15K | 01/08/2011 | 3 | Adult | vc57_danes_bc_data |
| Dovedale | SK15K | 11/07/2011 | 1 | Adult | vc57_danes_bc_data |
| Dovedale, Lin Dale | SK15K | 15/08/2010 | 2 | adult | vc57_irecords_extract |
| Dovedale | SK15K | 15/08/2010 | 2 | Adult | vc57_danes_bc_data |
| Dovedale (Lin Dale) | SK15K | 15/08/2010 | 2 | Adult | vc57_danes_bc_data |
| Dovedale | SK15K | 15/08/2010 | 4 | Adult | vc57_danes_bc_data |
| Dovedale (stepping stones) | SK15K | 30/07/2010 | 2 | Adult | vc57_danes_bc_data |
| Dovedale | SK15K | 30/07/2010 | 3 | Adult | vc57_danes_bc_data |
| Dovedale | SK15K | 30/07/2010 | 1 | Adult | vc57_danes_bc_data |
| Dovedale | SK15K | 30/07/2010 | 2 | Adult | vc57_danes_bc_data |
| Biggin Dale, nr Hartington | SK15P | 28/07/2010 | 1 | Adult | vc57_danes_bc_data |
| Bonsall Moor | SK25T | 19/07/2004 | 1 | Adult | vc57_danes_bc_data |