38.037 BF607  –  Elachistidae – Elachista canapennella – Common Grass-miner – (Hübner, [1813]) Adult Micro:  CAT 2 – Confusion 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
Green –  Rare / Uncommon / Scarce        purple – Leaf Miner
Taxonomy:   Micro   >>  Elachistidae
Other Name/s: Little Dwarf
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Other Elachista spp.
ID pointers: The males of this species are relatively plain greyish brown with indistinct darker mottling. There is a hint of a pale buffy spot at the tornis and a feint cross-band at about half way on the forewing.The females are quite different, being smaller with much more distinctive dark grey ground colour with a white cross-band and other white markings.
Distribution:  Likely uncommon in Derbyshire, Less than a dozen or so modern day records. Probably isolated colonies across the county. First record in 1800’s then 26/6/2013, 19/5/2018 / 9/5/2021 and one in Kings Newton but no date.
General Comment: None
Flight Period: April /  May /  June /  July /  August /  September –  2 generations April-June & July-September Mine Period:  March /  May /  June /  July
Mine Period Additional: The larvae produce flat whitish mines
Mine ID Difficulty: Not Recorded
Mine Type/s: Not Recorded
Mine Feeding Method/s: Not Recorded
Mine Comment: None.
Moth Activity: Nocturnal   – and is attracted to light Photographed: Yes –  Photographed By: Will Soar  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 8-10mm
Food Plant: The blades of various grasses.
Last Recorded By – Not Recorded
Last Recorded General Area – Not Recorded

Selected Images:  



Distribution Map for Elachista canapennella

Found 13 records
    ↳ 2 from After 2025
    ↳ 7 from 2020 - 2024
    ↳ 4 from Before 2020
Flying
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Mining
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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 – Elachista canapennella

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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: Elachista canapennella
( data includes both Larvae and Adult Stages )

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


First/Last Recorded Dates: Elachista canapennella
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: Elachista canapennella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Elachista canapennella
AGR: 2.94%   |   Total % Change: 50%


CUSUM Analysis: Elachista canapennella
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 19 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 9 (September) 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: Elachista canapennella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Elachista canapennella
( 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
Elachista canapennella
( 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 - Elachista canapennella – 13 records available

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

Site NameTetradDateCountStageSource
Shaw Farm, New Mills VCSJ98Y12/08/20251adultvc57_irecords_extract
King's NewtonSK32Y01/05/20252adultvc57_irecords_extract
AllSK33P13/08/20241adultvc57_irecords_extract
Ladycroft Ave, BuxtonSK07S03/08/20241adultvc57_irecords_extract
Glossop, Gnat Hole Rough FieldsSK09L12/05/20241adultvc57_irecords_extract
Grin Plantation, BuxtonSK07L09/07/20211adultvc57_irecords_extract
Thornhill CarrSK18X07/07/20211adultvc57_irecords_extract
Hathersage, Derbyshire, UKSK28F09/05/20211adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y12/07/20201Adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y04/09/20171Adultvc57_irecords_extract
Main Street, Kings NewtonSK32Y03/07/20171Adultvc57_irecords_extract
Backgarden MarehaySK34Z01/06/20141adultvc57_irecords_extract
Backgarden MarehaySK34Z02/06/20111adultvc57_irecords_extract

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