70.273 BF1950 - Brindled White Spot - Geometridae - Parectropis similaria
70.273 BF1950  – Brindled White Spot  – Parectropis similaria  – (Hufnagel, 1767)
Adult Macro:  CAT 2 – Can be confused with other species – Good photographs maybe required – Can be confused with other species      
PDF Icon – click for Adult Macro Verification Guidelines

Brown –  Significant Record / Very Rare / Vagrant    
Taxonomy:   Macro  >>.  >>  Geometridae  >> Ennominae
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
ID pointers: A very distinctive species. Ground colour of upper wings is a straw yellow which is covered in dense dark brown flecking and speckling. The large, rather square pale patch near outer edge of forewing is diagnostic.
Distribution:  (First record: 17 May 2024 at Rosliston Forest Centre )  –  (Last record: 4 July 2025 at Darwin Forest, Matlock )  –  A new species for the county. One trapped at Rosliston Forest Centre Moth event on 17th May 2024 by Neil Ward.The 2nd and 3rd records from Darwin Forest 3rd and 4th/July/2025.
General Comment: None
Flight Period: May /  June –  On the wing May – June Moth Activity: Nocturnal   – and is attracted to light Photographed: Yes –  Photographed By: Neil Ward, Dave Evans  © All Rights Reserved
*** Last updated on 23 February 2026 by TD ***
Wingspan: 33-39mm
Forewing: 17-20mm
Food Plant: Oak (Quercus) and Birch (Betula).
Last Recorded Year: 2025
First Recorded Year: 2024
Last Recorded By – Dave Evans
Last Recorded General Area – Darwin Forest, Matlock

Selected Images:  Rosliston Forest Centre, Derbyshire – Image by kind permission of Neil Ward © / Darwin Forest 2nd VC57 3/7/2025-Dave Evans©



Temporal Distribution Chart
Adults: (between 2024 - 2025)
(click legend below to show/hide datasets)

Distribution Map for Parectropis similaria

Found 3 records
    ↳ from 2026+
    ↳ 3 from 2020 - 2025
    ↳ 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 – Parectropis similaria

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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: Parectropis similaria
( data includes both Larvae and Adult Stages )

Monthly Counts By Year: Parectropis similaria
( data is based on 'Adult' stage records only )

First/Last Recorded Dates: Parectropis similaria
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: Parectropis similaria
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Parectropis similaria
AGR: 0%   |   Total % Change: 0%

Hectad (10kmx10km) Coverage: Parectropis similaria
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Parectropis similaria

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 - Parectropis similaria – 3 records available

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

Site NameTetradDateCountStageRecorderSourceRecordKey
Darwin ForestSK26X04/07/20251adultEvans, Davevc57_irecords_extractiBRC43064382
Darwin ForestSK26X03/07/20251adultEvans, Davevc57_irecords_extractiBRC43019835
Rosliston, DerbyshireSK21N17/05/20241adultNeil Wardvc57_irecords_extractiBRC43077121

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