49.222 BF1158  –  Tortricidae –  Olethreutinae – Rhopobota ustomaculana – Small Cowberry Marble – (Curtis, 1831) Adult Micro:  CAT 1 – Distinctive Species –       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  >> Tortricidae  >> Olethreutinae
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
ID pointers: Forewing is dark brown with silvery white markings. A pale triangular shaped dorsal patch and a dark bar angled to form a slight cross-band, bordering a pale intricately patterned apex to the wing enclosing a dark spot.
Distribution:  (Last record: 22/01/2025 )  –  Nationally scarce A – Last recorded in 1970 – Recent discovery of Leaf mines at Bray Clough – January 2025 & Kinder Scout – March 2025. Likely the species is common on Derbyshire moorlands where there is Cowberry. Most probably under-recorded.
Flight Period: June /  July /  –  June – July Mine Period: January /  February /  March /  October /  November /  December /   – The larvae start to form mines on the leaves of Cowberry producing obvious frass. The larvae then spin leaves together to feed on the cellular tissue of the soft parts of the leaves (Parenchyma). Moth Activity: Cathemeral   – active in afternoon and evening sunshine and occasionally comes to light Photographed: Yes –  Photographed By: Christian Heintzen  © All Rights Reserved
*** Last updated on 7 May 2025 by RP ***
Wingspan: 13mm
Food Plant: Cowberry (Vaccinium vitis-idaea)
Last Recorded Date: 22/01/2025
Last Recorded Year: 2025
Last Recorded By – Christian Heintzen
Last Recorded General Area – Not Recorded

IMAGES BELOW:  Bray Clough – January 2025/ Kinder Scout – March 2025 – Christian Heintzen©

no images were found

Distribution Map for Rhopobota ustomaculana

derbyshiremoths.org © makes no guarantee of accuracy of data used in these maps and charts – they are presented to you with best endeavours and the data behind them updated periodically as time permits. Historic records are being discovered all the time. These will be assessed, so once they are all verified, they will be incorporated onto the map and charts.

Found 8 records
    ↳ 4 from After 2025
    ↳ 0 from 2020 - 2024
    ↳ 4 from Before 2020

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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.


Monthly Records By Year: Rhopobota ustomaculana

Monthly Counts By Year: Rhopobota ustomaculana

Recordings By Year: Rhopobota ustomaculana

Hectad (10kmx10km) Coverage: Rhopobota ustomaculana

Flight Periods – Indicative –vs– Recorded Data
Rhopobota ustomaculana

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.

Mine Periods – Indicative –vs– Recorded Data
Rhopobota ustomaculana

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 2020-2025.

Records Behind the Map and Charts - Rhopobota ustomaculana – 8 records available

Listed by Year - descending

TaxonSite NameTetradYearDateCount
Rhopobota ustomaculanaKinder Scout, western slopes below Kinder DownfallSK08U202512/03/202520
Rhopobota ustomaculanaBray CloughSK09K202517/01/20253
Rhopobota ustomaculanaKinder Scout, western slopes below Kinder DownfallSK08U202512/03/202510
Rhopobota ustomaculanaKinder Scout, Seal EdgeSK18E202526/02/20251
Rhopobota ustomaculanaBurbage Valley and Houndkirk MoorSK28Q201704/12/20172
Rhopobota ustomaculanaBlacka Moor and PlantationSK28V201714/11/20171
Rhopobota ustomaculanaBeeley Triangle (site not precise)SK26Z199427/07/19941
Rhopobota ustomaculananr Eyam MoorSK27J197017/05/19701

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