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)
This chart summarises all available historical occurrence records collated by ISO week of the year. It reflects recorder effort and sampling distribution as well as true biological activity, and should be interpreted as an indicative pattern of seasonal occurrence rather than a statistically controlled abundance or phenology model.

Distribution Map for Caloptilia azaleella

Found 29 records
    ↳ from 2026+
    ↳ 21 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 – 29 records available

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

Site Name Tetrad Date Count Stage Recorder Source RecordKey
sheffield SK38M 13/10/2025 1 adult Turner, Jan vc57_irecords_extract iBRC46069345
sheffield SK38M 07/10/2025 1 adult Turner, Jan vc57_irecords_extract iBRC46069115
Allestree, Derby SK33P 30/07/2025 1 adult Plant, Stephen vc57_irecords_extract iBRC44028755
Mickleover garden SK33C 09/07/2025 1 adult Maughan, Christine vc57_irecords_extract iBRC44890808
sheffield SK38M 31/05/2025 1 adult Turner, Jan vc57_irecords_extract iBRC42121466
sheffield SK38M 29/05/2025 2 adult Turner, Jan vc57_irecords_extract iBRC41987722
Belper SK34N 26/08/2024 1 adult Evans, Dave vc57_irecords_extract iBRC38127740
Belper SK34U 25/05/2024 1 adult Evans, Dave vc57_irecords_extract iBRC36123732
Belper SK34U 19/05/2024 1 adult Evans, Dave vc57_irecords_extract iBRC36043043
Belper SK34U 18/05/2024 2 adult Evans, Dave vc57_irecords_extract iBRC35982026
Allestree, Derby SK33P 12/05/2024 1 adult Plant, Stephen vc57_irecords_extract iBRC40083986
Norton Lees, Sheffield (VC) SK38L 10/05/2024 1 adult Mella, Pete vc57_irecords_extract iBRC38224398
Norton Lees, Sheffield, UK SK38L 10/05/2024 1 Adult Mella, Pete vc57_irecords_extract iBRC38886048
Sandiacre Garden SK43T 06/05/2024 1 adult Milnes, Emily vc57_irecords_extract iBRC39165344
Belper Garden SK34P 20/08/2023 1 adult Evans, Dave vc57_irecords_extract iBRC34544888
Belper Garden SK34P 28/05/2023 1 adult Evans, Dave vc57_irecords_extract iBRC34543561
Allestree, Derby SK33P 20/05/2022 1 adult Plant, Stephen vc57_irecords_extract iBRC34958442
Allestree, Derby SK33P 20/05/2022 1 adult Plant, Stephen vc57_irecords_extract iBRC47485927
Norton Lees SK38L 02/08/2021 1 adult Mella, Pete vc57_irecords_extract iBRC50548643
Norton Lees SK38L 07/08/2020 1 adult Mella, Pete vc57_irecords_extract iBRC50546612
Norton Lees SK38L 19/05/2020 1 adult Mella, Pete vc57_irecords_extract iBRC50545970
Norton Lees SK38L 31/05/2018 1 Adult Mella, Pete vc57_irecords_extract iBRC6864856
Norton Lees garden SK38L 28/08/2016 2 Adult Mella, Pete vc57_irecords_extract iBRC4417973
Norton Lees garden SK38L 26/08/2016 2 Adult Mella, Pete vc57_irecords_extract iBRC4417946
Norton Lees garden SK38L 23/08/2016 2 Adult Mella, Pete vc57_irecords_extract iBRC4417929
Norton Lees garden SK38L 22/08/2016 1 Adult Mella, Pete vc57_irecords_extract iBRC4417901
Norton Lees garden SK38L 22/06/2016 1 Adult Mella, Pete vc57_irecords_extract iBRC4414924
Norton Lees garden SK38L 14/06/2016 1 Adult Mella, Pete vc57_irecords_extract iBRC3314598
Norton Lees garden SK38L 14/06/2016 1 Adult Mella, Pete vc57_irecords_extract iBRC4414839

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