4.002 BF116 – Grey Birch Dot – Stigmella lapponica – (Wocke, 1862)
Adult Micro: CAT 4 – Dissection required – 
Leaf-miner: CAT L – The leaf or a Photo required – 
Larval Case: C1 – Distinctive Species –
– click for General Verification Guidelines | – click for Specific Verification Guidelines
Leaf-miner: CAT L – The leaf or a Photo required – Larval Case: C1 – Distinctive Species – – click for General Verification Guidelines | – click for Specific Verification Guidelines 
– Uncertain/Unknown – Insufficient Data 
– Leaf-miner 
– Day-flying
– difficult to identify – detailed examination required, often a Gen Det and/or specimen and quality photographs are required.Confusion Species: Stigmella sorbi – Barred Rowan Dot / Stigmella confusella – Pale Birch Dot
ID pointers: Adults are coarsely-scaled and dull greyish-brown with an indistinct creamy fascia.
Distribution: (Last record: 28 August 2025 at Glossop, Gnat Hole ) – National Status – Fairly common throughout the British Isles – Derbyshire status is thought to be common but more records required.
General Comment: Notes by Christian Heintzen on image dated 28/8/2025 – on Birch (Betula) > long, often angular gallery (A,B) > first part of corridor completely filled with green frass followed by an abrupt transition to a narrow and often interrupted frass-line (A.1, B.1)
Mine Period Additional: June-July (sometimes in October) can have a small second generation in October
Mine ID Difficulty:
– Easy to identify, generally the leaf mine is distinctive and unlikely to be confused with other species. Mine Type/s: Gallery
Mine Feeding Method/s: Not Recorded
Mine Comment: An early summer mine – The tenanted mine is predominantly found in June and early July but rarely in October. A long linear gallery mine, filled with cloudy greenish frass for the first part, then changing suddenly to a narrow central band of black-brown frass with obvious clear margins.
*** Last updated on 12 December 2025 by TD ***
Last Recorded Year: 2025
Last Recorded By – Christian Heintzen
Last Recorded General Area – Glossop, Gnat Hole
Selected Images:
Dave Evans – September 2024 / August 2022 – Wyver Lane, Belper/ Glossop 28/8/2025 – Christian Heintzen©
Image Gallery
Temporal Distribution Chart
Immatures: (between 2001 - 2025)
(click legend below to show/hide datasets)
Distribution Map for Stigmella lapponica
Found 19 records
↳ from 2026+
↳ 7 from 2020 - 2025
↳ 12 from Before 2020
↳ from 2026+
↳ 7 from 2020 - 2025
↳ 12 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 – Stigmella lapponica
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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:
Stigmella lapponica
( data includes both Larvae and Adult Stages )
Monthly Counts By Year:
Stigmella lapponica
( data is based on 'Adult' stage records only )
First/Last Recorded Dates: Stigmella lapponica
Adult-only & Anything [Larvae, Pupae, Adult, Mines]
Shading shows moth presence between dates
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Recordings By Year: Stigmella lapponica
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Stigmella lapponica
AGR: 3.44% | Total % Change: 125%
Hectad (10kmx10km) Coverage: Stigmella lapponica
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Stigmella lapponica
Stigmella lapponica
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.
Mine Periods – Indicative –vs– Recorded Data
Stigmella lapponica
Stigmella lapponica
( data includes both Larvae and Adult Stages )
Mine 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 mine periods [month/s]. The coloured lines represent the actual months seen mining, from site observation records received between 2020-2026.
Records Behind the Map and Charts - Stigmella lapponica – 19 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Recorder | Source | RecordKey |
|---|---|---|---|---|---|---|---|
| Glossop, Gnat Hole | SK09G | 28/08/2025 | 2 | Leaf-mine | Heintzen, Christian | vc57_irecords_extract | iBRC47521336 |
| DWT Wyver Lane | SK34P | 13/08/2025 | 2 | mine (empty) | Evans, Dave | vc57_irecords_extract | iBRC44440748 |
| DWT Wyver Lane | SK34P | 06/08/2025 | 3 | mine (empty) | Evans, Dave | vc57_irecords_extract | iBRC44213442 |
| DWT Wyver Lane | SK34P | 23/07/2025 | 2 | mine (empty) | Evans, Dave | vc57_irecords_extract | iBRC43746923 |
| Olwer Tor | SK28K | 12/09/2024 | 1 | Mine | Jack Oughton | vc57_irecords_extract | iBRC39791146 |
| DWT Wyver Lane | SK34P | 12/09/2024 | 4 | mine (empty) | Evans, Dave | vc57_irecords_extract | iBRC38431863 |
| DWT Wyver Lane | SK34P | 04/09/2024 | 5 | mine (empty) | Evans, Dave | vc57_irecords_extract | iBRC38312553 |
| Ramsley Moor and Reservoir | SK27X | 08/07/2019 | 1 | mine (empty) | Watchorn, Andrew | vc57_irecords_extract | iBRC11091515 |
| Millers Dale | SK17G | 03/09/2011 | 1 | Larval Mine | S.H. Hind | vc57_danes_bc_data | LC000334001COU5J |
| Ladybower Resr | SK18U | 03/09/2010 | 1 | Larval Mine | S.H. Hind | vc57_danes_bc_data | LC000334001COXIU |
| Howden Resr | SK19L | 25/08/2010 | 1 | Larval Mine | S.H. Hind | vc57_danes_bc_data | LC000334001CP09E |
| Slippery Stones,Upper Derwent | SK19S | 25/08/2010 | 1 | Larval Mine | S.H. Hind | vc57_danes_bc_data | LC000334001COXIJ |
| Padley Gorge, Nether Padley | SK27P | 19/08/2010 | 1 | Larval Mine | S.H. Hind | vc57_danes_bc_data | LC000334001COXGW |
| Foremark Resr (sailing club area), Ticknall | SK32H | 02/10/2009 | 1 | Larval Mine | Dave Budworth | vc57_danes_bc_data | LC000334001CP060 |
| Shallcross Wood, Goyt Valley, Whaley Bridge | SK07E | 26/09/2006 | 1 | Larval Mine | S.H. Hind | vc57_danes_bc_data | LC000334001COS1L |
| Ogston Carr Wood,nr Ogston Res | SK35U | 12/07/2006 | 1 | Larval Mine | S.H. Hind | vc57_danes_bc_data | LC000334001CORSR |
| Clattercotes Wood, nr Ogston Resr | SK36Q | 12/07/2006 | 1 | Larval Mine | S.H. Hind | vc57_danes_bc_data | LC000334001CORT1 |
| Brackley Gate, nr Coxbench | SK34W | 03/11/2001 | 1 | Larval Mine | S.H. Hind | vc57_danes_bc_data | LC000334001COR0L |
| Cubley, nr Ashbourne | SK13U | 04/10/2001 | 1 | Larval Mine | S.H. Hind | vc57_danes_bc_data | LC000334001CP1F7 |