4.088 BF36a  –  Nepticulidae –  Nepticulinae – Ectoedemia heringella – Speckled Holme Oak Dot – (Mariani, 1939) Adult Micro:  CAT 4 – Gen. Det. Required – Gen-Det-Reqd       Leaf-miner:  CAT L – The leaf or a Photo required – reared and possibly dissected       PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Green –  Rare / Uncommon / Scarce        purple – Leaf Miner     day-flying – Day-flying
Taxonomy:   Micro   >>  Nepticulidae  >> Nepticulinae
Other Name/s: New Holm-Oak Pigmy
ID Difficulty:  Red – difficult to identify – detailed examination required, often a Gen Det and/or specimen and quality photographs are required.
ID pointers: The mine is a contorted gallery, and usually there are several, often many larvae mining a single leaf. Mines occur from November through to April. The adult moths emerge in June or July and like many of the group are rarely encountered, unless they are reared from mines collected in the autumn or winter. Adults are rarely seen
Distribution:  (Last record: 12 February 2024 at Kings Newton )  –  A new VC57 record in February 2024 – Likely to be found on Holme Oak or other evergreen oak (Quercus).This species was first discovered in England in 1996, when it was found in Greater London but its identity was not confirmed until 2001. Now become widespread, so possibly a new colonist in the county. Adult female discovered egg laying on Holme Oak, Kings Newton May 2025
Flight Period: June /  July /  –  Adults June – July. Mine Period: January /  February /  March /  April /  November /  December /   – Leaf Mines November – April. Moth Activity: Cathemeral  Photographed: Yes –  Photographed By: Will Soar  © All Rights Reserved
*** Last updated on 17 August 2025 by RP ***
Wingspan: c5-6mm
Food Plant: Holme Oak (Spanish Oak, Algerian Oak, Cork Oak)
Last Recorded Year: 2024
Last Recorded By – Will Soar
Last Recorded General Area – Kings Newton

IMAGES BELOW:  Will Soar – February 12th 2024 & May 2025 – Kings Newton, Derbyshire. The mine is shown on the left. Adult female egg laying

 
 

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Distribution Map for Ectoedemia heringella

Found 2 records
    ↳ 1 from After 2025
    ↳ 1 from 2020 - 2024
    ↳ 0 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.

******* Choose ONLY one at a time, of either Monad, Tetrad or Hectad Distribution - each has it's own set of data. Also, the distribution maps cover ALL recorded data. *******

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.

Land-cover * shows the variety of land-cover within the VC57 area, based on the CORINE (Coordination of Information on the Environment) forty-four thematic classes of land-cover. This will show, to a greater or lesser degree, the number and variety of moths found in different land-cover types. The UK continues to operate within the Copernicus programme, with the UK Centre for Ecology & Hydrology (UKCEH) providing Corine Land Cover (CLC) datasets for the UK and its territories.


NBN Atlas UK Distribution for – Ectoedemia heringella

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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.

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Monthly Records By Year: Ectoedemia heringella
( data includes both Larvae and Adult Stages )

Monthly Counts By Year: Ectoedemia heringella
( data is based on 'Adult' stage records only. )


First/Last Recorded Dates: Ectoedemia heringella
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: Ectoedemia heringella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Ectoedemia heringella
AGR: -97.5%   |   Total % Change: -97.5%


CUSUM Analysis: Ectoedemia heringella
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 24 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 7 (July) 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 2024, reaching above average levels. The lowest population point occurred near 2025, 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: Ectoedemia heringella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Ectoedemia heringella
( 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
Ectoedemia heringella
( 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 - Ectoedemia heringella – 2 records available

Listed by Year - descending - scroll across to see all table columns

TaxonSite NameTetradYearDateCountStageSource
Ectoedemia heringellaKing's Newton FieldsSK32Y202528/05/20251adultvc57_irecords_extract
Ectoedemia heringellaKing's Newton FieldsSK32Y202412/02/202440minevc57_irecords_extract

 
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