8.005 BF128  –  Incurvariidae –  Incurvariinae – Phylloporia bistrigella – Striped Cutter – (Haworth, 1828) Adult Micro:  CAT 1 – Distinctive Species –       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
Brown –  Significant Record / Very Rare / Vagrant         purple – Leaf Miner
Taxonomy:   Micro   >>  Incurvariidae  >> Incurvariinae
Other Name/s: Striped Leaf-cutter
ID Difficulty:  green  – easy to identify, generally distinctive and unlikely to be confused with other species.
ID pointers: A tiny little dark choclote brown colour with two obvious white stripes and a white tornal spot with white terminal cilia
Distribution:  A rare species with only a few records from 1892 present during 1916-1926 – No modern day records – most likely to be under-recorded
Flight Period: May /  June /  July /  –  Flies in May-July often in daylight and can be attracted to light Mine Period: July /  August /   – A Long mine on leaves of birch, usually encircling a large part of the leaf and ending in a whitish blotch with scattered frasse. A case is cut from end of blotch leaving a small oval hole. The Case falls to the ground where larvae pupates. Moth Activity: Cathemeral   – and is attracted to light Photographed: Yes –  Photographed By: Steve Orridge  © All Rights Reserved
*** Last updated on 6 May 2025 by RP ***
Wingspan: 8mm
Food Plant: Birch
Last Recorded By – Not Recorded
Last Recorded General Area – Not Recorded

IMAGES BELOW:  

Rose End Meadows (2009) – Steve Orridge©

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Distribution Map for Phylloporia bistrigella

Found 12 records
    ↳ 2 from After 2025
    ↳ 0 from 2020 - 2024
    ↳ 10 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 – Phylloporia bistrigella

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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: Phylloporia bistrigella
( data includes both Larvae and Adult Stages )

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


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


CUSUM Analysis: Phylloporia bistrigella
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 21 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 8 (August) 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 2016, 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: Phylloporia bistrigella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Phylloporia bistrigella
( 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
Phylloporia bistrigella
( 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 - Phylloporia bistrigella – 12 records available

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

Site NameTetradDateCountStageSource
Cromford MoorSK25X11/08/20251adultvc57_irecords_extract
Cromford MoorSK25X01/05/20251adultvc57_irecords_extract
Pleasley Colliery NR, PleasleySK46X05/06/20161Adultvc57_danes_bc_data
Ladybower ResrSK18U03/09/20101Larval Minevc57_danes_bc_data
Howden ResrSK19S25/08/20101Larval Minevc57_danes_bc_data
Slippery Stones,Upper DerwentSK19S25/08/20101Larval Minevc57_danes_bc_data
Howden ResrSK19L25/08/20101Larval Minevc57_danes_bc_data
Padley Gorge, Nether PadleySK27P19/08/20101Larval Minevc57_danes_bc_data
Cromford, Matlock DE, UKSK25Y16/10/20091Larvavc57_irecords_extract
Rose End MeadowSK25Y16/10/20091minevc57_irecords_extract
Hopton Wood NR, CromfordSK25T16/10/20091Larval Minevc57_danes_bc_data
Shallcross Wood, Goyt Valley, Whaley BridgeSK07E26/09/20061Larval Minevc57_danes_bc_data

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