– click for General Verification Guidelines | – click for Specific Verification Guidelines 
– Significant Record / Very Rare / Vagrant
– care required in the identification process, as confusion with similar species is likely – quality photographs required. Confusion Species: Cnephasia asseclana (Flax Tortrix); Cnephasia stephensiana (Common Grey Tortrix)
Shirland (2015) – Nikki Mahadevan©
Image Gallery
No gallery images found for this moth.
Temporal Distribution Chart
Adults: (between 1965 - 2015)
Distribution Map for Isotrias rectifasciana
↳ from 2026+
↳ from 2020 - 2025
↳ 8 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 – Isotrias rectifasciana
⚠️ Please wait for the map to load fully – do not click the link shown.
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:
Isotrias rectifasciana
( data includes both Larvae and Adult Stages )
Monthly Counts By Year:
Isotrias rectifasciana
( data is based on 'Adult' stage records only )
First/Last Recorded Dates: Isotrias rectifasciana
Adult-only & Anything [Larvae, Pupae, Adult, Mines]
Shading shows moth presence between dates
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Recordings By Year: Isotrias rectifasciana
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Isotrias rectifasciana
AGR: 0% | Total % Change: 0%
Hectad (10kmx10km) Coverage: Isotrias rectifasciana
( data includes both Larvae and Adult Stages )
Flight Periods – Indicative –vs– Recorded Data
Isotrias rectifasciana
Isotrias rectifasciana
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 - Isotrias rectifasciana – 8 records available
Listed by Year - descending - scroll across to see all table columns
| Site Name | Tetrad | Date | Count | Stage | Recorder | Source | RecordKey |
|---|---|---|---|---|---|---|---|
| Shirland-Hallfieldgate Lane | SK35Z | 13/07/2015 | 1 | Adult | Mahadevan, Nikki | vc57_irecords_extract | iBRC35070363 |
| Backgarden Marehay | SK34Z | 23/06/2015 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33505484 |
| Backgarden Marehay | SK34Z | 02/07/2014 | 1 | adult | Thorpe, Steve | vc57_irecords_extract | iBRC33506842 |
| The Hollies,Station Rd,Darley Dale | SK26R | 13/07/2012 | 1 | Adult | Roddis, Simon | vc57_danes_bc_data | LC000334001COUC2 |
| Wood Lane,Newhall,Swadlincote | SK22V | 10/07/2009 | 1 | Adult | Dave Budworth | vc57_danes_bc_data | LC000334001CP022 |
| Parkway, New Mills | SK08D | 01/06/1993 | 1 | Adult | J. Potts;S.H. Hind | vc57_danes_bc_data | LC000334001CP10B |
| Wood Lane,Newhall,Swadlincote | SK22V | 08/06/1974 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001CP9UY |
| Clay Cross (site not precise) | SK36W | 26/06/1965 | 1 | Adult | VC57 Derbyshire Recorder | vc57_danes_bc_data | LC000334001CP0JC |