35.091 BF841 – White-streaked Snout – Sophronia semicostella – (Hübner, [1813])
Adult Micro: CAT 2 – Can be confused with other species –
– click for General Verification Guidelines | – click for Specific Verification Guidelines
– click for General Verification Guidelines | – click for Specific Verification Guidelines 
– Rare / Uncommon / Scarce
** This moth species page is currently incomplete **
– care required in the identification process, as confusion with similar species is likely – quality photographs required. Confusion Species: Pleurota bicostella (Heath Streak)
ID pointers: A very strong white costal streak and distinctive banded cilia, especially in fresh specimens
Distribution: (Last record: 8 January 2011 at Dovedale ) – All records come from one location, Dovedale – August 1927 (Harrison & Sterling) – 2009-2011 16 records (DaNES) – all were attracted to MV Light
General Comment: None *** Last updated on 2 October 2025 by RP ***
Last Recorded Year: 2011
Last Recorded By – D.Grundy (DaNES)
Last Recorded General Area – Dovedale
Selected Images:
Image Gallery
No gallery images found for this moth.
Temporal Distribution Chart
Adults: (between 2009 - 2011)
(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 Sophronia semicostella
Found 16 records
↳ from 2026+
↳ from 2020 - 2025
↳ 16 from Before 2020
↳ from 2026+
↳ from 2020 - 2025
↳ 16 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.
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 – Sophronia semicostella
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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.
Monthly Records By Year:
Sophronia semicostella
( data includes both Larvae and Adult Stages )
Monthly Counts By Year:
Sophronia semicostella
( data is based on 'Adult' stage records only )
First/Last Recorded Dates: Sophronia semicostella
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: Sophronia semicostella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Sophronia semicostella
AGR: -65.13% | Total % Change: -87.8%
Hectad (10kmx10km) Coverage: Sophronia semicostella
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Sophronia semicostella
Sophronia semicostella
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 - Sophronia semicostella – 16 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Recorder | Source | RecordKey |
|---|---|---|---|---|---|---|---|
| Dovedale | SK15K | 01/08/2011 | 2 | Adult | D. Grundy | vc57_danes_bc_data | LC000334001COU1O |
| Dovedale | SK15K | 01/08/2011 | 2 | Adult | D. Grundy | vc57_danes_bc_data | LC000334001COU2E |
| Dovedale | SK15K | 01/08/2011 | 1 | Adult | D. Grundy | vc57_danes_bc_data | LC000334001CP9T5 |
| Dovedale | SK15K | 11/07/2011 | 1 | Adult | H. John;M. Bellingham | vc57_danes_bc_data | LC000334001COTYG |
| Dovedale | SK15K | 11/07/2011 | 1 | Adult | M.J. Dale | vc57_danes_bc_data | LC000334001COXR7 |
| Dovedale | SK15K | 11/07/2011 | 2 | Adult | M.J. Dale | vc57_danes_bc_data | LC000334001COXRY |
| Dovedale | SK15K | 30/07/2010 | 1 | Adult | D. Grundy | vc57_danes_bc_data | LC000334001COXD5 |
| Dovedale | SK15K | 30/07/2010 | 1 | Adult | D. Grundy | vc57_danes_bc_data | LC000334001CP68G |
| Dovedale | SK15K | 25/07/2010 | 2 | Adult | D. Grundy | vc57_danes_bc_data | LC000334001COTFV |
| Dovedale | SK15K | 25/07/2010 | 1 | Adult | D. Grundy | vc57_danes_bc_data | LC000334001COTGB |
| Dovedale | SK15K | 05/07/2010 | 4 | Adult | D. Grundy | vc57_danes_bc_data | LC000334001COX5L |
| Dovedale | SK15K | 05/07/2010 | 1 | Adult | D. Grundy | vc57_danes_bc_data | LC000334001COX5T |
| Dovedale | SK15K | 05/07/2010 | 3 | Adult | D. Grundy | vc57_danes_bc_data | LC000334001COX66 |
| Dovedale | SK15K | 05/07/2009 | 11 | Adult | D. Grundy;M.J. Dale | vc57_danes_bc_data | LC000334001COWSN |
| Dovedale | SK15K | 05/07/2009 | 18 | Adult | D. Grundy;M.J. Dale | vc57_danes_bc_data | LC000334001CP00R |
| Dovedale | SK15K | 05/07/2009 | 8 | Adult | D. Grundy;M.J. Dale | vc57_danes_bc_data | LC000334001CP019 |