Phycita roborella - 7th July 2023 -Hathersage - The late Claire Miles
62.029 BF 1452  – Oak Knot-horn  – Phycita roborella  – (Denis & Schiffermüller, 1775)
Adult Micro:  CAT 1 – Distinctive species unlikely to be confused with others –      
PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Green –  Rare / Uncommon / Scarce   
Taxonomy:   Micro   >>  Pyralidae  >> Phycitinae
** Identification write up required **
Other Name/s: Dotted Oak Knot-horn
ID Difficulty:  green  – easy to identify, generally distinctive and unlikely to be confused with other species.
Distribution:  (Last record: 31 March 2025 at Sandiacre )  –  Appears to be uncommon and recorded in small numbers each year. 2 records in 2024, 3 in 2023 – Harrison & Sterling recorded 5 accounts between 1917 – 1981
Danes records 11 between 1997 – 2013 and iRecord 15 accounts between 2006 – 2024.
General Comment: None
Flight Period: July /  August –  Single generation Moth Activity: Nocturnal   – active from dusk and attracted to light Photographed: Yes –  Photographed By: The late Claire Miles  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 24-29mm
Food Plant: Oak
Last Recorded Year: 2024
Last Recorded By – Emily Milnes
Last Recorded General Area – Sandiacre

Selected Images:  

Hathersage (2023) The late Claire Miles©



Temporal Distribution Chart
Adults: (between 1997 - 2025)
(click legend below to show/hide datasets)

Distribution Map for Phycita roborella

Found 38 records
    ↳ from 2026+
    ↳ 21 from 2020 - 2025
    ↳ 17 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 – Phycita roborella

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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: Phycita roborella
( data includes both Larvae and Adult Stages )

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

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

Hectad (10kmx10km) Coverage: Phycita roborella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Phycita roborella

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 - Phycita roborella – 38 records available

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

Site NameTetradDateCountStageRecorderSourceRecordKey
HathersageSK28F25/07/20251adultKydd, Alanvc57_irecords_extractiBRC44144964
Markham Vale South TipSK47K17/07/20251adultRadford, Markvc57_irecords_extractiBRC43666424
Melbourne, DerbyshireSK32X13/07/20251adultDavison, Tonyvc57_irecords_extractiBRC43439941
Ilkeston, DerbyshireSK44K11/07/20251adultHobby, Brianvc57_irecords_extractiBRC43602534
Belper, DerbyshireSK34N09/07/20251adultNewcombe, Davevc57_irecords_extractiBRC44180460
Ladycroft Ave, BuxtonSK07S30/06/20251adultOrridge, Stevevc57_irecords_extractiBRC42933560
Chaddesden, DerbySK33T30/06/20251adultroome, martinvc57_irecords_extractiBRC43931947
Markham Vale DerbyshireSK47K29/06/20251adultMorris, Sidvc57_irecords_extractiBRC42896452
Findern, DerbyshireSK33A25/06/20251adultHallam, Brianvc57_irecords_extractiBRC42709514
Chaddesden, DerbySK33T21/06/20251adultroome, martinvc57_irecords_extractiBRC43883785
Sandiacre GardenSK43T18/07/20241adultMilnes, Emilyvc57_irecords_extractiBRC39285218
Markham Vale South TipSK47K26/06/20241adultMorris, Sidvc57_irecords_extractiBRC36697334
Woodland AveSK43R28/07/20232adultThorpe, Stevevc57_irecords_extractiBRC33496865
Woodland AveSK43R21/07/20232adultThorpe, Stevevc57_irecords_extractiBRC33496787
Hathersage, Derbyshire, UKSK28F07/07/20231adultMiles, Clairevc57_irecords_extractiBRC31516124
Findern, Derbyshire, DEAZSK33A08/07/20221adultBrian and Jean Hallamvc57_irecords_extractiBRC35166945
HathersageSK28F31/07/20211adultKydd, Alanvc57_irecords_extractiBRC39049943
Not givenSK33A09/07/20211AdultHallam, Brianvc57_irecords_extractiBRC20992999
Findern, Derbyshire, DEAZSK33A09/07/20211adultBrian and Jean Hallamvc57_irecords_extractiBRC35165148
Findern, Derbyshire, DEAZSK33A16/06/20211adultBrian and Jean Hallamvc57_irecords_extractiBRC35164801
Findern, Derbyshire, DEAZSK33A30/06/20201adultBrian and Jean Hallamvc57_irecords_extractiBRC35163059
Findern, Derbyshire, DEAZSK33A26/07/20191adultBrian and Jean Hallamvc57_irecords_extractiBRC35161640
Findern, Derbyshire, DEAZSK33A19/07/20191adultBrian and Jean Hallamvc57_irecords_extractiBRC35161594
Duffield Rd, Allestree, DerbySK34K09/08/20131AdultP. Smithvc57_danes_bc_dataLC000334001COUX4
Burnaston (Toyota Plant NR), DerbySK23V20/07/20131AdultDave Budworth;B.G. Sewellvc57_danes_bc_dataLC000334001CP93Y
Duffield Rd, Allestree, DerbySK34K12/08/20123AdultP. Smithvc57_danes_bc_dataLC000334001COYDY
Shipley Park, Mapperley ResSK44G10/08/20123adultThorpe, Stevevc57_irecords_extractiBRC33515958
Shipley Park (Mapperley Resr), IlkestonSK44G10/08/20123AdultThorpe, Stevevc57_danes_bc_dataLC000334001CP8EI
Findern Close, BelperSK34P24/07/20121AdultD. Evansvc57_danes_bc_dataLC000334001CP85H
Stanley (disused railway),West HallamSK44A05/08/20111AdultBUDWORTH, Mr D., CLARKE, Mr D.A., PATRICK, Mr P., vc57_danes_bc_dataLC000334001CP09Y
West Park Meadows (LNR),SpondonSK33Y10/07/20092AdultBUDWORTH, Mr D., WARD, Mr N.J., MILLAR, Mr J.C.G.,vc57_danes_bc_dataLC000334001COZAF
Glossop (Shire Hill Quarry)SK09M22/07/20081AdultColin Plantvc57_danes_bc_dataLC000334001COSKD
Melbourne, DerbyshireSK32X04/08/20061adultDavison, Tonyvc57_irecords_extractiBRC33531767
Spinney Hill,MelbourneSK32X04/08/20061AdultDavison, Tonyvc57_danes_bc_dataLC000334001CP3FB
Far Cross,Cavendish Park,MatlockSK36A18/07/20061AdultB.L. Stathamvc57_danes_bc_dataLC000334001CP391
Calke Park (Betty's Pool),TicknallSK32R29/07/19971AdultVC57 Derbyshire Recordervc57_danes_bc_dataLC000334001COZMN
Dowey Lumb NR, DronfieldSK38Q25/07/19971AdultH.E. Beaumont;R.F. Botterillvc57_danes_bc_dataLC000334001COQY3
Calke Park (Betty's Pool - oaks nr pool), TicknallSK32R11/07/19971AdultBUDWORTH, Mr D., TRAVERS-AYRE, Mr I., VILES, Mr I.vc57_danes_bc_dataLC000334001COZ29

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