49.210 BF1125  –  Tortricidae –  Olethreutinae – Ancylis unculana – Buckthorn Hook-wing – (Haworth, 1811) Adult Micro:  CAT 3 – Very Rare/Scarce/Migrant/Adventive – confusion with leaf mines       PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Brown –  Significant Record / Very Rare / Vagrant    
Taxonomy:   Micro   >>  Tortricidae  >> Olethreutinae
** Photograph required / Identification write up required **
Other Name/s: Buckthorn Roller
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Ancylis badiana (Meadow Hook-wing)
Distribution:  (Last record: 7 May 2025 at Dovedale )  –  Harrison & Sterling one record from Millers Dale June 1956: DaNES two records 12/10/2009 from Coombs Dale & 30/7/2010 Dovedale
Flight Period: June /  July /  –  Single generation June-July Moth Activity: Cathemeral   – and is attracted to light Photographed: No –  Photographed By: Not Recorded
*** Last updated on 7 May 2025 by RP ***
Wingspan: 12-16mm
Food Plant: Buckthorn & Alder Buckthorn
Last Recorded Year: 2010
Last Recorded By – D.Grundy (DaNES)
Last Recorded General Area – Dovedale

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Distribution Map for Ancylis unculana

Found 2 records
    ↳ 0 from After 2025
    ↳ 0 from 2020 - 2024
    ↳ 2 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 – Ancylis unculana

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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: Ancylis unculana
( data includes both Larvae and Adult Stages )
No data returned from the database.

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


First/Last Recorded Dates: Ancylis unculana
Adult-only & Anything [Larvae, Pupae, Adult, Mines]

Shading shows moth presence between dates

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Recordings By Year: Ancylis unculana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Ancylis unculana
AGR: 0%   |   Total % Change: 0%
Ancylis unculana
Insufficient records/data for an AGR analysis
Years Analysed: 2000 – 2025
Ancylis unculana
Insufficient records/data for a CUSUM analysis
Years Analysed: 2000 – 2025

Hectad (10kmx10km) Coverage: Ancylis unculana
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Ancylis unculana
( 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.

Records Behind the Map and Charts - Ancylis unculana – 2 records available

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

Site NameTetradDateCountStageSource
DovedaleSK15K30/07/20102Adultvc57_danes_bc_data
Coombs Dale,Stoney MiddletonSK27H12/10/20091Larvaevc57_danes_bc_data

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