Leaf-miner:             CAT L                – The leaf or a Photo required –                
                                                                 
 – click for General Verification Guidelines  |      
 – click for Specific Verification Guidelines      
 – Uncertain/Unknown – Insufficient Data         
 – Leaf Miner
 – difficult to identify – detailed examination required, often a Gen Det and/or specimen and quality photographs are required.            Selected Images: Dave Evans – September 2024 & September 2022 – Wyver Lane, Belper.
				
				
				
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Distribution Map for Stigmella lemniscella
↳ 7 from After 2025
↳ 6 from 2020 - 2024
↳ 14 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 – Stigmella lemniscella
        ⚠️ 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: 
        Stigmella lemniscella 
    ( data includes both Larvae and Adult Stages ) 
Monthly Counts By Year: Stigmella lemniscella 
	 ( data is based on 'Adult' stage records only. ) 
	
First/Last Recorded Dates: Stigmella lemniscella
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: Stigmella lemniscella 
	
    ( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Stigmella lemniscella
AGR: 10.8% | Total % Change: 471.4%
CUSUM Analysis: Stigmella lemniscella 
      Counts for the current year (2025) are pro-rated based on data available up to month 9 (September) to provide a full-year equivalent.
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: Stigmella lemniscella 
	( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Stigmella lemniscella 
	Stigmella lemniscella
( 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.
Mine Periods – Indicative –vs– Recorded Data
Stigmella lemniscella 
	Stigmella lemniscella
( 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 2020-2025.
Records Behind the Map and Charts - Stigmella lemniscella – 27 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Source | 
|---|---|---|---|---|---|
| DWT Wyver Lane | SK34P | 09/09/2025 | 1 | mine (empty) | vc57_irecords_extract | 
| DWT Wyver Lane | SK34P | 26/08/2025 | 5 | mine (empty) | vc57_irecords_extract | 
| DWT Wyver Lane | SK34P | 20/08/2025 | 14 | mine (empty) | vc57_irecords_extract | 
| DWT Wyver Lane | SK34P | 13/08/2025 | 5 | mine (empty) | vc57_irecords_extract | 
| DWT Wyver Lane | SK34P | 06/08/2025 | 3 | mine (empty) | vc57_irecords_extract | 
| DWT Wyver Lane | SK34P | 23/07/2025 | 5 | mine (empty) | vc57_irecords_extract | 
| DWT Wyver Lane | SK34P | 23/07/2025 | 7 | mine (empty) | vc57_irecords_extract | 
| Burton upon Trent | SK32P | 05/11/2024 | 1 | Mine | vc57_irecords_extract | 
| DWT Wyver Lane | SK34P | 30/10/2024 | 2 | mine (empty) | vc57_irecords_extract | 
| Lathkill Dale | SK16X | 16/10/2024 | 1 | mine | vc57_irecords_extract | 
| Chee Dale | SK17G | 15/10/2024 | 1 | larva | vc57_irecords_extract | 
| DWT Wyver Lane | SK34P | 12/09/2024 | 2 | mine (empty) | vc57_irecords_extract | 
| DWT Wyver Lane | SK34P | 04/09/2024 | 3 | mine (empty) | vc57_irecords_extract | 
| Grange Wood | SK21S | 13/09/2018 | 1 | Mine | vc57_irecords_extract | 
| Thorpe, Ashbourne DE, UK | SK15K | 13/10/2010 | 1 | Larva | vc57_irecords_extract | 
| Thorpe, Dovedale | SK15K | 13/10/2010 | 1 | Larval Mine | vc57_danes_bc_data | 
| Ashford in the Water | SK16Z | 22/09/2010 | 1 | Larval Mine | vc57_danes_bc_data | 
| Ashford in the Water | SK16Z | 22/09/2010 | 1 | Larval Mine | vc57_danes_bc_data | 
| Bamford | SK28B | 21/09/2010 | 1 | Larval Mine | vc57_danes_bc_data | 
| Lathkill Dale | SK16Y | 04/09/2010 | 1 | Larval Mine | vc57_danes_bc_data | 
| Hopton Wood NR | SK25T | 16/10/2009 | 1 | Larval Mine | vc57_danes_bc_data | 
| Linacre Wood | SK37G | 13/10/2009 | 1 | Larval Mine | vc57_danes_bc_data | 
| Hope | SK18R | 07/10/2009 | 1 | Larval Mine | vc57_danes_bc_data | 
| Norbury | SK14G | 01/10/2009 | 1 | Larval Mine | vc57_danes_bc_data | 
| Ashbourne | SK14T | 01/10/2009 | 1 | Larval Mine | vc57_danes_bc_data | 
| Tissington Trail, Ashbourne | SK14T | 01/10/2009 | 1 | Larval Mine | vc57_danes_bc_data | 
| Strines, New Mills | SJ98T | 17/09/2008 | 1 | Larval Mine | vc57_danes_bc_data | 
