Determination by Genitalia Examination (gen. det.)

Several species of moth cannot be identified from external features. For these species it is necessary to resort to genitalia examination, usually via a full dissection, to firmly establish the identity of the moth.

 

Latest Specimen Determination - Listed by Specimen Date - Last Updated 23/06/25

[ List by Specimen Date | List by Record Uploaded ]

Taxon Spn Date Site (10k) Recorder Comment
Nemapogon ruricolella  20/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S682f55d334569) male gen. det.to TIP lure (25 Suffolk records)
Cnephasia stephensiana  17/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S682f557b70567) male gen. det. 
Cnephasia communana  17/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S682f5562d2fc1) female gen. det. (29 Suffolk records)
Stigmella samiatella  17/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S682f558f71e1c) male gen. det. 
Coleophora otidipennella  12/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6827651b6add9) male gen. det. (20 Suffolk records)
Caloptilia alchimiella  12/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6827652b2990f) male gen. det. 
Stigmella ruficapitella  12/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S682764b61c6ce) male gen. det. 
Coleophora glaucicolella  11/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S68260b3e5eccb) male gen. det. (85 Suffolk records)
Stigmella roborella  11/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S68260bf7929a3) male gen. det. (54 Suffolk records)
Phyllonorycter maestingella  11/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S68260bdb93622) females gen. det. 
Scythris potentillella  05/05/2025  TL78 - Brandon/Lakenheath James Symonds, Steve Lane, Andy Brown  (S6821b21badcb2) Female, gen det J Symonds (16 Suffolk records)
Nematopogon schwarziellus  01/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6818de5388783) female gen. det. 
Phyllonorycter spinicolella  01/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6818ded813973) male gen. det. 
Coleophora otidipennella  01/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6818debbc8ed3) males gen. det. (20 Suffolk records)
Phyllonorycter maestingella  01/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6818df29bc6ce) female gen. det. 
Ocnerostoma friesei  01/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6818ddafccb63) 1 male gen. det. 
Caloptilia honoratella  01/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6818def203e7c) males gen. det. (45 Suffolk records)
Parornix betulae  01/05/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6818dea336beb) female gen. det. 
Cnephasia communana  20/04/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S680772bd9cc65) male gen. det. (29 Suffolk records)
Cnephasia communana  15/04/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6800e99a9275f) male gen. det.This appears to be the first April record on the Suffolk website. However, there is a photo of the male genitalia dissected by Jon Clifton on moth dissection uk labelled Santon Downham Suffolk April 2002.  (29 Suffolk records)
Pammene argyrana  13/04/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S67fe8b7e4e5c6) male gen. det.  (89 Suffolk records)
Caloptilia honoratella  12/04/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S67fe8a5d547ed) male gen. det.  (45 Suffolk records)
Ocnerostoma friesei  12/04/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S67fe8a1b7d66d) male gen. det. 
Caloptilia betulicola  20/03/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S67dead65175b1) male gen. det. (77 Suffolk records)
Acleris ferrugana  21/02/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S67bb324858f2e) males gen. det. 
Acleris ferrugana  20/02/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S67bb314aae13c) female gen. det. 
November Moth Epirrita dilutata  30/11/2024  TM59 - Lowestoft Antony Wren  (S674cfb9ac0108) Gen det male 
November Moth Epirrita dilutata  06/11/2024  TM48 - Beccles/Brampton Wren, Antony  All gen det male 
November Moth Epirrita dilutata  06/11/2024  TM59 - Lowestoft Wren, Antony  gen det male 
Autumnal Moth Epirrita autumnata  06/11/2024  TM48 - Beccles/Brampton Wren, Antony  Gen det male 
November Moth Epirrita dilutata  04/11/2024  TM59 - Lowestoft Wren, Antony  gen det male 
November Moth Epirrita dilutata  02/11/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S67276b48d11f0) males gen. det. 
Spilonota laricana  02/11/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S672b40c792d7f) male gen. det. Yet another very late date (82 Suffolk records)
November Moth Epirrita dilutata  01/11/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S672634d65e574) males gen. det. 
November Moth Epirrita dilutata  30/10/2024  TM48 - Beccles/Brampton Wren, Antony  gen det male 
Blastobasis adustella  29/10/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Male, gen. det N. Sherman. 
Pale November Moth Epirrita christyi  29/10/2024  TM59 - Lowestoft Wren, Antony  Gen det male (63 Suffolk records)
November Moth Epirrita dilutata  29/10/2024  TM59 - Lowestoft Howard Vaughan  (S6724e734ba289) gen det male examined in the hand by Antony Wren 1st record of any of this agg for my garden hence asking Antony for help. 
November Moth Epirrita dilutata  29/10/2024  TM59 - Lowestoft Wren, Antony  Gen det male 
November Moth Epirrita dilutata  24/10/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S671b82e4ab9d5) male gen. det. 
Nemapogon granella  12/10/2024  TM34 - Hollesley/Rendlesham Forest Raymond A Watson  (S67768b666285e) A breeding population indoors in bag of peanuts. Genitalia dissection was carried out but I found them difficult to get a good dissection so did not bother to photo. (Very few Suffolk records - 13)
Nemapogon koenigi  07/10/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap by garages Golf cottages. Male, gen. det. N. Sherman. (29 Suffolk records)
Porter's Rustic Athetis hospes  07/10/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap by garages Golf cottages. Male, gen. det. N. Sherman. (35 Suffolk records)
Scrobipalpa ocellatella  07/10/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Female, gen. det. N. Sherman. 
Depressaria badiella  07/10/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap by garages Golf cottages. Female, gen. det. N. Sherman. (53 Suffolk records)
Nemapogon granella  06/10/2024  TM34 - Hollesley/Rendlesham Forest Raymond A Watson  (S67768b2fbac74) A breeding population indoors in bag of peanuts. Genitalia dissection was carried out but I found them difficult to get a good dissection so did not bother to photo. (Very few Suffolk records - 13)
Nemapogon granella  04/10/2024  TM34 - Hollesley/Rendlesham Forest Raymond A Watson  (S67768a0eb56f2) A breeding population indoors in bag of peanuts. Genitalia dissection was carried out but I found them difficult to get a good dissection so did not bother to photo. (Very few Suffolk records - 13)
Trifurcula squamatella  24/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Female, gen. det. N. Sherman. (61 Suffolk records)
Acleris ferrugana  22/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Female, gen. det. N. Sherman. 
Caloptilia honoratella  21/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Male, gen. det. N. Sherman. (45 Suffolk records)
Coleophora versurella  20/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Male, gen. det. N. Sherman. 
Elachista canapennella  20/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Male, gen. det. N. Sherman. 
Phyllonorycter comparella  20/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry. Male, gen. det. N. Sherman. (40 Suffolk records)
Phyllonorycter sorbi  15/09/2024  TM13 - Brantham/Holbrook John Chainey  With Neil Sherman, Jenny Spence and Paul Bryant. Mine on Rowan, adult bredd 09/04/2025, male, gen det J. Chainey. (24 Suffolk records)
Trifurcula squamatella  06/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d812ce6db) female gen. det. (61 Suffolk records)
Coleophora versurella  06/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Males, gen. det N. Sherman. 
Stigmella atricapitella  06/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d84da1259) female gen. det. 
Caryocolum alsinella  06/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d8373a79c) male gen. det. (Very few Suffolk records - 14)
Etainia sericopeza  06/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d7c7ea4e0) male gen. det. (19 Suffolk records)
Trifurcula immundella  06/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d7e6c549f) female gen. det. (23 Suffolk records)
Endothenia marginana  06/09/2024  TM34 - Hollesley/Rendlesham Forest Raymond A Watson  Gen Det (74 Suffolk records)
Elachista alpinella  06/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Female, gen. det. N. Sherman. (20 Suffolk records)
Caloptilia hemidactylella  06/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Male, gen. det N. Sherman. (69 Suffolk records)
Elachista alpinella  05/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Male, gen. det. N. Sherman. (20 Suffolk records)
Etainia sericopeza  04/09/2024  TL96 - Thurston/Elmswell Paul Bryant (W)  Male. Gen Det by N.Sherman 23 Nov 2024. (19 Suffolk records)
Epinotia nisella  04/09/2024  TL96 - Thurston/Elmswell Paul Bryant (W)  Male. Gen Det by N.Sherman 23 Nov 2024. 
Grey Dagger Acronicta psi  04/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d7a56ee52) female gen. det. 
Homoeosoma nebulella  03/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d770e3215) male gen. det. (60 Suffolk records)
Coleophora versurella  03/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d782b21f1) males gen. det. 
Caryocolum vicinella  02/09/2024  TM33 - Bawdsey/Felixstowe John Chainey, Jenny Spence  2x 80w mv lights used. Male, gen.det. (36 Suffolk records)
Parornix betulae  02/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Male, gen. det N. Sherman. 
Coleophora versurella  02/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Male, gen. det N. Sherman. 
Caryocolum marmorea  02/09/2024  TM33 - Bawdsey/Felixstowe John Chainey, Jenny Spence  2x 80w mv lights used. Female, gen.det. 
Caloptilia honoratella  01/09/2024  TL96 - Thurston/Elmswell Joe Myers  (S66db0e37032df) Gen det J. Symonds (45 Suffolk records)
Caryocolum alsinella  01/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Male, gen. det N. Sherman. (Very few Suffolk records - 14)
Coleophora alcyonipennella  01/09/2024  TM13 - Brantham/Holbrook Jim Hodgkinson  (S66db19e8bf93a) Female gen det J Hodgkinson 
Stenoptilia zophodactylus  01/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Male, gen. det N. Sherman. (82 Suffolk records)
Scrobipalpa acuminatella  01/09/2024  TM34 - Hollesley/Rendlesham Forest Raymond A Watson  Gen Det 
Phyllonorycter blancardella  01/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d7319a815) female gen. det. (65 Suffolk records)
Stigmella atricapitella  01/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d71101b50) male gen. det. 
Bactra lancealana  01/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Female, gen. det N. Sherman. 
Parornix betulae  01/09/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d6fb6d068) female gen. det. 
Caloptilia honoratella  01/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Male, gen. det. N. Sherman. (45 Suffolk records)
Agonopterix heracliana  01/09/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Male, gen. det N. Sherman. 
Parornix finitimella  31/08/2024  TM13 - Brantham/Holbrook Jim Hodgkinson  (S66db19a026345) Male gen det J Hodgkinson (45 Suffolk records)
Ancylosis oblitella  31/08/2024  TM13 - Brantham/Holbrook Jim Hodgkinson  (S66db198d0a812) Female gen det J Hodgkinson 
Parornix betulae  30/08/2024  TM35 - Snape/Tunstall Neil Sherman  With John Chainey, Jenny Spence and Paul Bryant. 5x MV traps used. Male and female, gen det N. Sherman. 
Trifurcula immundella  28/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d665c9687) male gen. det.wing-length 2mm (23 Suffolk records)
Endothenia marginana  28/08/2024  TM25 - Wickham Market/Otley Mike Prentice  (S672e7d86c9ebd) Gen. det. (74 Suffolk records)
Trifurcula squamatella  28/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d611b01c4) female gen. det.wing-lengths 4mm, 4mm (61 Suffolk records)
Lesser Common Rustic Mesapamea didyma  28/08/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap at 16th carry + other on left of 15th hole by reedbed. Female gen. det. N. Sherman. (58 Suffolk records)
Coleophora saxicolella  28/08/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap at 16th carry + other on left of 15th hole by reedbed. Male and female gen. det. N. Sherman. (67 Suffolk records)
Homoeosoma nebulella  28/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d5d00cb0e) female gen. det. (60 Suffolk records)
Parornix torquillella  28/08/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap at 16th carry + other on left of 15th hole by reedbed. Female gen. det. N. Sherman. 
Grey Dagger Acronicta psi  28/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S6718d5afe84d5) male gen. det. 
Endothenia marginana  27/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S66ffcb28a58d6) female gen. det. (74 Suffolk records)
Phyllonorycter ulmifoliella  27/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S66ffcb6ac22c6) male gen. det. 
Homoeosoma nebulella  27/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S66ffcb14ad305) female gen. det. (60 Suffolk records)
Coleophora deviella  27/08/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Male, gen. det N. Sherman. (17 Suffolk records)
Coleophora sternipennella  23/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S66ffca7f4ca3b) male gen. det. (89 Suffolk records)
     
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2025. © James Wheeler - Norfolk Moths 2007 - 2025. Data © NOLA™ - Suffolk 2025
This site requires necessary cookies to function correctly. We'd also like to set Google analytics cookies that help us make improvements by measuring how you use the site. These will be set only if you accept all cookies. Necessary cookies enable core functionality such as security, network management, and accessibility. You may disable these by changing your browser settings, but this will affect how the website functions. Cookies Policy