Caloptilia azaleella -Azalea Leaf-miner - 19th May 2025 - Belper - Dave Evans
15.007 BF285  – Azalea Leaf-miner  – Caloptilia azaleella  – (Brants, 1913)
Adult Micro:  CAT 1 – Distinctive species unlikely to be confused with others –       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   >>  Gracillariidae  >> Gracillariinae
ID Difficulty:  green  – easy to identify, generally distinctive and unlikely to be confused with other species.
ID pointers: Very attractively marked and distinctive species. Dark brown forewings broken by a yellow band along the costa
Distribution:  (Last record: 26 February 2025 at Belper )  –  Introduced with Azaleas and rhodedendrons – Generally uncommon across the recording area with scattered records from currently just two sites – one in Belper and one in Norton Lees. Expanding its range
General Comment: None
Flight Period: May /  June /  July /  August /  September /  October –  Two to three generations between May – October Mine Period:  June /  September
Mine Period Additional: The larvae mine the leaves of azaleas, later rolling the leaf downwards and forming a cone
Mine ID Difficulty: Not Recorded
Mine Type/s: Not Recorded
Mine Feeding Method/s: Not Recorded
Mine Comment: None.
Moth Activity: Cathemeral   – and is attracted to light Photographed: Yes –  Photographed By: Dave Evans  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 10-11mm
Food Plant: Azaleas
Last Recorded Year: 2024
Last Recorded By – Dave Evans
Last Recorded General Area – Belper

Selected Images:  

Belper 2024- Dave Evans©



Temporal Distribution Chart
Adults: (between 2016 - 2025)
(click legend below to show/hide datasets)

Distribution Map for Caloptilia azaleella

Found 26 records
    ↳ from 2026+
    ↳ 18 from 2020 - 2025
    ↳ 8 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 – Caloptilia azaleella

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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.

Visit NBN Site


Monthly Records By Year: Caloptilia azaleella
( data includes both Larvae and Adult Stages )

Monthly Counts By Year: Caloptilia azaleella
( data is based on 'Adult' stage records only )

First/Last Recorded Dates: Caloptilia azaleella
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: Caloptilia azaleella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Caloptilia azaleella
AGR: -2.23%   |   Total % Change: -18.3%

Hectad (10kmx10km) Coverage: Caloptilia azaleella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Caloptilia azaleella

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 2020-2026.

Mine Periods – Indicative –vs– Recorded Data
Caloptilia azaleella
( 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 2020-2026.

Records Behind the Map and Charts - Caloptilia azaleella – 26 records available

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

Site NameTetradDateCountStageRecorderSourceRecordKey
sheffieldSK38M13/10/20251adultTurner, Janvc57_irecords_extractiBRC46069345
sheffieldSK38M07/10/20251adultTurner, Janvc57_irecords_extractiBRC46069115
Allestree, DerbySK33P30/07/20251adultPlant, Stephenvc57_irecords_extractiBRC44028755
Mickleover gardenSK33C09/07/20251adultMaughan, Christinevc57_irecords_extractiBRC44890808
sheffieldSK38M31/05/20251adultTurner, Janvc57_irecords_extractiBRC42121466
sheffieldSK38M29/05/20252adultTurner, Janvc57_irecords_extractiBRC41987722
BelperSK34N26/08/20241adultEvans, Davevc57_irecords_extractiBRC38127740
BelperSK34U25/05/20241adultEvans, Davevc57_irecords_extractiBRC36123732
BelperSK34U19/05/20241adultEvans, Davevc57_irecords_extractiBRC36043043
BelperSK34U18/05/20242adultEvans, Davevc57_irecords_extractiBRC35982026
Allestree, DerbySK33P12/05/20241adultPlant, Stephenvc57_irecords_extractiBRC40083986
Norton Lees, Sheffield (VC)SK38L10/05/20241adultMella, Petevc57_irecords_extractiBRC38224398
Norton Lees, Sheffield, UKSK38L10/05/20241AdultMella, Petevc57_irecords_extractiBRC38886048
Sandiacre GardenSK43T06/05/20241adultMilnes, Emilyvc57_irecords_extractiBRC39165344
Belper GardenSK34P20/08/20231adultEvans, Davevc57_irecords_extractiBRC34544888
Belper GardenSK34P28/05/20231adultEvans, Davevc57_irecords_extractiBRC34543561
Allestree, DerbySK33P20/05/20221adultPlant, Stephenvc57_irecords_extractiBRC34958442
Allestree, DerbySK33P20/05/20221adultPlant, Stephenvc57_irecords_extractiBRC47485927
Norton LeesSK38L31/05/20181AdultMella, Petevc57_irecords_extractiBRC6864856
Norton Lees gardenSK38L28/08/20162AdultMella, Petevc57_irecords_extractiBRC4417973
Norton Lees gardenSK38L26/08/20162AdultMella, Petevc57_irecords_extractiBRC4417946
Norton Lees gardenSK38L23/08/20162AdultMella, Petevc57_irecords_extractiBRC4417929
Norton Lees gardenSK38L22/08/20161AdultMella, Petevc57_irecords_extractiBRC4417901
Norton Lees gardenSK38L22/06/20161AdultMella, Petevc57_irecords_extractiBRC4414924
Norton Lees gardenSK38L14/06/20161AdultMella, Petevc57_irecords_extractiBRC3314598
Norton Lees gardenSK38L14/06/20161AdultMella, Petevc57_irecords_extractiBRC4414839

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