62.038 BF1437 – Grey Oak Knot-horn – Acrobasis consociella – (Hübner, 1813)
Adult Micro: CAT 2 – Can be confused with other species –
– click for General Verification Guidelines | – click for Specific Verification Guidelines
– 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: Similar to other British Acrobasis species.
ID pointers: Forewing reddish brown to purplish-brown or greyish brown. A white cross band bordered black at about one third. Two small black discal spots about central forewing.
Distribution: Unknown – As at 1988 no twentieth century record. Assume now to be fairly widespread and common as the species has expanded its range. Found on Oak.
General Comment: None *** Last updated on 2 October 2025 by RP ***
Last Recorded By – Not Recorded
Last Recorded General Area – Not Recorded
Selected Images: Melbourne, Derbyshire – Tony Davison©
Image Gallery
Temporal Distribution Chart
Adults: (between 2004 - 2025) | Immatures: (between 2019 - 2019)
(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 Acrobasis consociella
Found 53 records
↳ from 2026+
↳ 19 from 2020 - 2025
↳ 34 from Before 2020
↳ from 2026+
↳ 19 from 2020 - 2025
↳ 34 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 – Acrobasis consociella
⚠️ 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:
Acrobasis consociella
( data includes both Larvae and Adult Stages )
Monthly Counts By Year:
Acrobasis consociella
( data is based on 'Adult' stage records only )
First/Last Recorded Dates: Acrobasis consociella
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: Acrobasis consociella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Acrobasis consociella
AGR: 0.56% | Total % Change: 12.5%
Hectad (10kmx10km) Coverage: Acrobasis consociella
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Acrobasis consociella
Acrobasis consociella
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 - Acrobasis consociella – 53 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Recorder | Source | RecordKey |
|---|---|---|---|---|---|---|---|
| Belper, Derbyshire | SK34N | 09/09/2025 | 1 | adult | Newcombe, Dave | vc57_irecords_extract | iBRC50610778 |
| Belper, Derbyshire | SK34N | 23/07/2025 | 1 | adult | Newcombe, Dave | vc57_irecords_extract | iBRC44348566 |
| Norton Lees, Sheffield | SK38L | 18/07/2025 | 1 | adult | Mella, Pete | vc57_irecords_extract | iBRC43585186 |
| Inkersall garden | SK47G | 18/07/2025 | 1 | adult | Cambridge, Don | vc57_irecords_extract | iBRC43541306 |
| Cromford Moor | SK25X | 13/07/2025 | 1 | adult | Ashton, Clive | vc57_irecords_extract | iBRC43425781 |
| Belper, Derbyshire | SK34N | 12/07/2025 | 1 | adult | Newcombe, Dave | vc57_irecords_extract | iBRC44188618 |
| Chaddesden, Derby | SK33T | 03/07/2025 | 1 | adult | roome, martin | vc57_irecords_extract | iBRC44157070 |
| Markham Vale Derbyshire | SK47K | 29/06/2025 | 2 | adult | Morris, Sid | vc57_irecords_extract | iBRC42896462 |
| Allestree, Derby | SK33P | 07/08/2024 | 1 | adult | Plant, Stephen | vc57_irecords_extract | iBRC40211019 |
| King's Newton | SK32Y | 29/07/2024 | 1 | adult | Soar, Will | vc57_irecords_extract | iBRC40386715 |
| Markham Vale South Tip | SK47K | 12/07/2023 | 1 | adult | Morris, Sid | vc57_irecords_extract | iBRC31570778 |
| Kirk Hallam, Ilkeston | SK44K | 07/07/2023 | 1 | adult | Hobby, Brian | vc57_irecords_extract | iBRC48690877 |
| Markham Vale Derbyshire | SK47L | 05/07/2023 | 1 | adult | Morris, Sid | vc57_irecords_extract | iBRC31380605 |
| Staveley Derbyshire | SK47H | 19/07/2021 | 1 | adult | Morris, Sid | vc57_irecords_extract | iBRC21228921 |
| Woodland Ave | SK43R | 08/07/2021 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33498633 |
| Main Street, Kings Newton | SK32Y | 14/08/2020 | 2 | Adult | Soar, Will | vc57_irecords_extract | iBRC34060562 |
| Main Street, Kings Newton | SK32Y | 05/08/2020 | 2 | Adult | Soar, Will | vc57_irecords_extract | iBRC34060563 |
| Wood Lane, Newhall, Swadlincote | SK22V | 17/07/2020 | 1 | adult | BUDWORTH, Mr D. | Danes_2019-2021 | 521 |
| Melbourne, Derbyshire | SK32X | 17/07/2020 | 1 | adult | Davison, Tony | vc57_irecords_extract | iBRC33554403 |
| Allestree, Derby | SK34K | 02/09/2019 | 1 | Larva | Plant, Stephen | vc57_irecords_extract | iBRC11710240 |
| Waingroves Woods | SK44E | 18/07/2018 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33503241 |
| Main Street, Kings Newton | SK32Y | 16/07/2016 | 1 | Adult | Soar, Will | vc57_irecords_extract | iBRC34060564 |
| Melbourne, Derbyshire | SK32X | 26/08/2015 | 1 | adult | Davison, Tony | vc57_irecords_extract | iBRC33063542 |
| Shirland-Hallfieldgate Lane | SK35Z | 16/08/2015 | 1 | Adult | Mahadevan, Nikki | vc57_irecords_extract | iBRC35070506 |
| Backgarden Marehay | SK34Z | 23/07/2015 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33505777 |
| Backgarden Marehay | SK34Z | 05/07/2014 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33506918 |
| Spinney Hill,Melbourne | SK32X | 20/08/2012 | 1 | Adult | Davison, Tony | vc57_danes_bc_data | LC000334001CP8L3 |
| Melbourne, Derbyshire | SK32X | 19/08/2012 | 1 | adult | Davison, Tony | vc57_irecords_extract | iBRC33086802 |
| Backgarden Marehay | SK34Z | 11/08/2011 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33513808 |
| Bamford St,Ripley | SK34Z | 11/08/2011 | 1 | Adult | Thorpe, Steve | vc57_danes_bc_data | LC000334001COXXL |
| Backgarden Marehay | SK34Z | 01/08/2011 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33513710 |
| Bamford St,Ripley | SK34Z | 01/08/2011 | 1 | Adult | Thorpe, Steve | vc57_danes_bc_data | LC000334001CP7FN |
| Backgarden Marehay | SK34Z | 01/07/2011 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33513197 |
| Bamford St,Ripley | SK34Z | 01/07/2011 | 1 | Adult | Thorpe, Steve | vc57_danes_bc_data | LC000334001COTWT |
| The Mays,Malthouse Lane,Froggatt | SK27N | 04/08/2010 | 1 | Adult | Barnacle, Brian | vc57_danes_bc_data | LC000334001CP6AS |
| Drakelow NR (Minton's Lagoon), Burton on Trent | SK22F | 24/07/2010 | 2 | Adult | M.J. Williams | vc57_danes_bc_data | LC000334001CP623 |
| Backgarden Marehay | SK34Z | 16/07/2010 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33515098 |
| Bamford St,Ripley | SK34Z | 16/07/2010 | 1 | Adult | Thorpe, Steve | vc57_danes_bc_data | LC000334001COTDQ |
| Midway Rd,Midway,Swadlincote | SK32A | 09/07/2010 | 1 | Adult | M.J. Williams | vc57_danes_bc_data | LC000334001CP5UD |
| Backgarden of Whitegates, Codnor | SK44E | 09/07/2010 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33514973 |
| Whitegates, Codnor | SK44E | 09/07/2010 | 1 | Adult | Thorpe, Steve | vc57_danes_bc_data | LC000334001COZF8 |
| Wood Lane,Newhall,Swadlincote | SK22V | 10/07/2009 | 2 | Adult | Dave Budworth | vc57_danes_bc_data | LC000334001CP01P |
| Main Street, Kings Newton | SK32Y | 02/08/2008 | 1 | Adult | Soar, Will | vc57_irecords_extract | iBRC34675588 |
| Far Cross,Cavendish Park,Matlock | SK36A | 21/08/2007 | 1 | Adult | B.L. Statham | vc57_danes_bc_data | LC000334001CP43B |
| Carvers Rocks,Hartshorne,Swadlincote (old toilet block area) | SK32G | 11/08/2007 | 2 | Adult | A. Davison;K. Peach;N. Topliss | vc57_danes_bc_data | LC000334001COZVS |
| Rosliston (National Forest Centre), Swadlincote | SK21N | 27/07/2007 | 1 | Adult | Dave Budworth;B.G. Sewell | vc57_danes_bc_data | LC000334001COSD6 |
| Church St,Holloway,Matlock | SK35I | 18/07/2005 | 1 | Adult | F. Harrison | vc57_danes_bc_data | LC000334001CP2R1 |
| Main Street, Kings Newton | SK32Y | 13/07/2005 | 2 | Adult | Soar, Will | vc57_irecords_extract | iBRC34675587 |
| Main St,Kings Newton,Melbourne | SK32Y | 13/07/2005 | 2 | Adult | Soar, Will | vc57_danes_bc_data | LC000334001CP2P9 |
| Foremark Resr, Ticknall | SK32H | 09/07/2005 | 1 | Adult | A. Davison;N. Topliss;W. Soar | vc57_danes_bc_data | LC000334001CORJZ |
| Wood Lane,Newhall,Swadlincote | SK22V | 05/08/2004 | 1 | Adult | Dave Budworth | vc57_danes_bc_data | LC000334001COVQ0 |
| Melbourne, Derbyshire | SK32X | 13/07/2004 | 1 | adult | Davison, Tony | vc57_irecords_extract | iBRC33101818 |
| Spinney Hill,Melbourne | SK32X | 13/07/2004 | 1 | Adult | Davison, Tony | vc57_danes_bc_data | LC000334001CP1XD |