49.153 BF1096  –  Tortricidae –  Olethreutinae – Apotomis sauciana – Least Marble – (Frölich, 1828) Adult Micro:  CAT 2 – Can be confused with other species –       Leaf-miner:  CAT A – Recorded accepted without the leaf or a photo –       Larval Case:  C1 – Distinctive Species –       PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Green –  Rare / Uncommon / Scarce   
Taxonomy:   Micro   >>  Tortricidae  >> Olethreutinae
Other Name/s: Bilberry Marble
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  A.capreana Endothenia gentianaeana
ID pointers: The basal two thirds of the forewing are blackish – brown, mixed black & grey. The final third leading to the outer wing and apex is a creamy white and the final outer margin leading to the apex and termen is a make-up of browns, blacks and greys bordering the creamy white band. There is  a “Hook-like indentation extending into the black area from the creamy white band.
Distribution:  (Last record: 15 July 2024 at Bray Clough )  –  Old records indicate that this species was widespread and often common across the Bilberry covered moorland areas of North Derbyshire. There are five modern day records between 2006 – 2024. The latest was netted at Bray Clough on 15th July 2024 by Christian Heintzen.
General Comment: None
Flight Period: June /  July /  August –  On the wing during June – August. Moth Activity: Nocturnal  Crepuscular   – sometimes seen during the day Photographed: Yes –  Photographed By: Christian Heintzen  © All Rights Reserved
*** Last updated on 7 November 2025 by RP ***
Wingspan: 13-16mm
Food Plant: Bilberry (Vaccinium myrtillus).
Last Recorded Year: 2024
Last Recorded By – Christian Heintzen
Last Recorded General Area – Bray Clough

Selected Images:  Bray Clough, Derbyshire – Christian Heintzen© 



Distribution Map for Apotomis sauciana

Found 5 records
    ↳ from 2026+
    ↳ 3 from 2020 - 2025
    ↳ 2 from Before 2020
Flying
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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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 – Apotomis sauciana

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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: Apotomis sauciana
( data includes both Larvae and Adult Stages )

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


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

Shading shows moth presence between dates

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Recordings By Year: Apotomis sauciana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Apotomis sauciana
AGR: -3.78%   |   Total % Change: -50%

Hectad (10kmx10km) Coverage: Apotomis sauciana
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Apotomis sauciana
( 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 2020-2026.

Records Behind the Map and Charts - Apotomis sauciana – 5 records available

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

Site NameTetradDateCountStageSource
Bray CloughSK09K15/07/20241adultvc57_irecords_extract
Birch ValeSK08I12/07/20201adultvc57_irecords_extract
LUDWORTH MOORSK08E08/07/20202adultvc57_irecords_extract
Birch ValeSK08I09/07/20181adultvc57_irecords_extract
Flash Lane,Beeley MoorSK26X16/07/20062Adultvc57_danes_bc_data

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