49.220 BF1162  –  Tortricidae –  Olethreutinae – Rhopobota myrtillana – Small Bilberry Marble – (Humphreys & Westwood, 1845) Adult Micro:  CAT 2 – Can be confused with other species –       PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Green –  Rare / Uncommon / Scarce   
Taxonomy:   Micro   >>  Tortricidae  >> Olethreutinae
** Photograph required; Identification write up required **
Other Name/s: Bilberry Bell; Ancylis myrtillana
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Distribution:  (Last record: 5 June 2011 at Beeley Moor )  –  Harrison & Sterling listed this species as “Widely distributed and common on the moorlands containing Bilberry” Very few modern day records. DaNES lists one from Beeley Moor 6/5/2011
General Comment: None
Flight Period: May /  June –  One generation May-June – flies over the food plant in afternoon and into dusk Moth Activity: Cathemeral   – and is attracted to light Photographed: No –  Photographed By: Not Recorded
*** Last updated on 2 October 2025 by RP ***
Wingspan: 9-12mm
Food Plant: Bilberry
Last Recorded Year: 2011
Last Recorded By – A. Butler (DaNES)
Last Recorded General Area – Beeley Moor

Selected Images:  



Distribution Map for Rhopobota myrtillana

Found 2 records
    ↳ from 2026+
    ↳ 1 from 2020 - 2025
    ↳ 1 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 – Rhopobota myrtillana

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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: Rhopobota myrtillana
( data includes both Larvae and Adult Stages )

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


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

Shading shows moth presence between dates

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Recordings By Year: Rhopobota myrtillana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Rhopobota myrtillana
AGR: -4.83%   |   Total % Change: -50%

Hectad (10kmx10km) Coverage: Rhopobota myrtillana
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Rhopobota myrtillana
( 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 - Rhopobota myrtillana – 2 records available

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

Site NameTetradDateCountStageSource
Buxton: Flint CloughSK07M18/05/20251adultvc57_irecords_extract
Beeley Moor, BeeleySK26Y06/05/20112Adultvc57_danes_bc_data

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