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 08/04/25

[ List by Specimen Date | List by Record Uploaded ]

Taxon Spn Date Site (10k) Recorder Comment
Caloptilia betulicola  20/03/2025  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S67dead65175b1) male gen. det. (75 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. (42 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)
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 (73 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 (42 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. (42 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. (73 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. (73 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)
Homoeosoma nebulella  23/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S66ffcaa8e835d) female gen. det. (60 Suffolk records)
Grey Dagger Acronicta psi  23/08/2024  TM59 - Lowestoft Wren, Antony  gen det 
Phyllocnistis asiatica  23/08/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Female, gen. det N. Sherman.  (Only Suffolk record)
Trifurcula immundella  23/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S66ffcac59a7a0) 1 male, 1 female gen. det. (23 Suffolk records)
Grey Dagger Acronicta psi  23/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S66ffca6baf073) female gen. det. 
Coleophora saxicolella  23/08/2024  TL78 - Brandon/Lakenheath Graham And Zoe Geen  (S66ffca90e73f0) male gen. det. (67 Suffolk records)
Grey Dagger Acronicta psi  19/08/2024  TM59 - Lowestoft Wren, Antony  gen det 
Phycitodes saxicola  18/08/2024  TM34 - Hollesley/Rendlesham Forest Raymond A Watson  Gen Det (25 Suffolk records)
Caloptilia honoratella  17/08/2024  TL96 - Thurston/Elmswell Paul Bryant (W)  Male. Gen Det by N.Sherman 23 Nov 2024. (42 Suffolk records)
Agonopterix ciliella  16/08/2024  TM16 - Thorndon/Debenham John Chainey  With John Chainey, Jenny Spence, Steve Woolnough and Paul Bryant. 6x MV traps, 3x actinic traps + wine ropes used. Male, gen. det John Chainey. (16 Suffolk records)
Phyllonorycter spinicolella  16/08/2024  TM34 - Hollesley/Rendlesham Forest Raymond A Watson  Gen Det 
Elachista alpinella  16/08/2024  TM16 - Thorndon/Debenham Neil Sherman  With John Chainey, Jenny Spence, Steve Woolnough and Paul Bryant. 6x MV traps, 3x actinic traps + wine ropes used. Male, gen. det John Chainey. (20 Suffolk records)
Grey Dagger Acronicta psi  16/08/2024  TM59 - Lowestoft Howard Vaughan  (S66d1f07134006) gen det Antony wren 
Coleophora deviella  15/08/2024  TM25 - Wickham Market/Otley Mike Prentice  (S672e7c9699fc5) Gen. det. (17 Suffolk records)
Bactra furfurana  15/08/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Female, gen. det N. Sherman. 
Stigmella sakhalinella  15/08/2024  TM25 - Wickham Market/Otley Mike Prentice  (S672e7c5d29dbb) Gen. det. (80 Suffolk records)
Caloptilia honoratella  15/08/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Female, gen. det N. Sherman. (42 Suffolk records)
Grey Dagger Acronicta psi  15/08/2024  TM59 - Lowestoft Howard Vaughan  (S66d1eebf432c3) gen det Antony wren 
Coleophora versurella  15/08/2024  TM25 - Wickham Market/Otley Mike Prentice  (S672e7ccb7654b) Gen. det. 
Bryotropha similis  15/08/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap in garden by greenhouse + other by garages Golf cottages. Male, gen. det N. Sherman. (Very few Suffolk records - 10)
Coleophora saxicolella  15/08/2024  TM25 - Wickham Market/Otley Mike Prentice  (S672e7c7e010a9) Gen. det. (67 Suffolk records)
Coleophora salicorniae  14/08/2024  TM25 - Wickham Market/Otley Mike Prentice  (S672e5a2b56ddd) Gen. det. 
Grey Dagger Acronicta psi  14/08/2024  TM59 - Lowestoft Howard Vaughan  (S66d1eb8a854e9) gen det Antony wren 
Coleophora striatipennella  14/08/2024  TM24 - Woodbridge/Martlesham Neil Sherman  Trap on track to 2nd carry + other on track to 17th green. Male, gen. det N. Sherman. (79 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
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