15.034 BF315  –  Gracillariidae –  Lithocolletinae – Phyllonorycter harrisella – White Oak Leaf-miner – (Linnaeus, 1761) Adult Micro:  CAT 1 – Distinctive Species –       Leaf-miner:  CAT R – Moth will need to be reared and possibly dissected – reared and possibly dissected       PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Black – Uncertain/Unknown – Insufficient Data        purple – Leaf Miner
Taxonomy:   Micro   >>  Gracillariidae  >> Lithocolletinae
Other Name/s: White Oak Midget
ID Difficulty:  Red – difficult to identify – detailed examination required, often a Gen Det and/or specimen and quality photographs are required.
Confusion Species: P. harrisella, P. roboris, P. heegeriella, P. tenerella
ID pointers: A Leaf-miner – Forewing white, elongate and orange towards the apex, with three costal and two dorsal streaks. All edged inwardly dark brown. There is a black dot in the apex and the cilia have a fine dark-brown basal line.
Distribution:  (Last record: 6 August 2014 at Kings Newton )  –  Common and well distributed across the county. Status unknown in Derbyshire as insufficient data –
Flight Period: May /  June /  July /  August /  –  Two generations May-Jun & July – Aug Mine Period: June /  July /  September /  October /   – Can be found throughout the winter on Oak Photographed: Yes –  Photographed By: Will Soar  © All Rights Reserved
*** Last updated on 6 May 2025 by RP ***
Wingspan: 7-9mm
Food Plant: Oak
Last Recorded Year: 2014
Last Recorded By – Will Soar
Last Recorded General Area – Kings Newton

IMAGES BELOW:  Kings Newton – Will Soar ©

 
 

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Distribution Map for Phyllonorycter harrisella

Found 21 records
    ↳ 3 from After 2025
    ↳ 1 from 2020 - 2024
    ↳ 17 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 – Phyllonorycter harrisella

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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: Phyllonorycter harrisella
( data includes both Larvae and Adult Stages )

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


First/Last Recorded Dates: Phyllonorycter harrisella
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: Phyllonorycter harrisella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Phyllonorycter harrisella
AGR: 0%   |   Total % Change: 0%


CUSUM Analysis: Phyllonorycter harrisella
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 18 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 2025, reaching above average levels. The lowest population point occurred near 2024, 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: Phyllonorycter harrisella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Phyllonorycter harrisella
( 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
Phyllonorycter harrisella
( 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 - Phyllonorycter harrisella – 21 records available

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

TaxonSite NameTetradYearDateCountStageSource
Phyllonorycter harrisellaChaddesden GardenSK33T202516/07/20251adultvc57_irecords_extract
Phyllonorycter harrisellaLittleoverSK33G202511/07/20251adultvc57_irecords_extract
Phyllonorycter harrisellaGlossop, Gnat HoleSK09L202510/02/20251Larvavc57_irecords_extract
Phyllonorycter harrisellaKing's NewtonSK32Y202429/07/20241adultvc57_irecords_extract
Phyllonorycter harrisellaWelbeck Drive, WingerworthSK36T201913/08/20191adultDanes_2019-2021
Phyllonorycter harrisellaMain Street, Kings NewtonSK32Y201404/08/20141Adultvc57_irecords_extract
Phyllonorycter harrisellaMain Street, Kings NewtonSK32Y201406/08/20141Adultvc57_irecords_extract
Phyllonorycter harrisellaMillennium Meadow NR, DuffieldSK34L201430/05/20141Adultvc57_danes_bc_data
Phyllonorycter harrisellaBackgarden MarehaySK34Z201101/10/20111adultvc57_irecords_extract
Phyllonorycter harrisellaBamford St,RipleySK34Z201101/10/20111Adultvc57_danes_bc_data
Phyllonorycter harrisellaLadybower ResrSK18U201003/09/20101Larval Minevc57_danes_bc_data
Phyllonorycter harrisellaRose Av,ClowneSK57D201010/08/20102Adultvc57_danes_bc_data
Phyllonorycter harrisellaHowden ResrSK19L201025/08/20101Larval Minevc57_danes_bc_data
Phyllonorycter harrisellaPadley Gorge, Nether PadleySK27P201019/08/20101Larval Minevc57_danes_bc_data
Phyllonorycter harrisellaHopeSK18R200907/10/20091Larval Minevc57_danes_bc_data
Phyllonorycter harrisellaLinacreSK37L200913/10/20091Larval Minevc57_danes_bc_data
Phyllonorycter harrisellaSwanwick, AlfretonSK45B200105/12/20011Larval Minevc57_danes_bc_data
Phyllonorycter harrisellaBrackley Gate, nr CoxbenchSK34W200103/11/20011Larval Minevc57_danes_bc_data
Phyllonorycter harrisellaAbbotsholme School, RocesterSK13E200104/10/20011Larval Minevc57_danes_bc_data
Phyllonorycter harrisellaLinacre Resr (Fagus Plantation) (site not precise)SK37G199417/08/19941Adultvc57_danes_bc_data
Phyllonorycter harrisellaClough Wood,Darley DaleSK26K198326/02/19831Larval Minevc57_danes_bc_data

 
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