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.

Click here for more info: Norfolk Gen. Det. Service

 

Latest Specimen Determination - Listed by Specimen Date - Last Updated 09/01/25

[ List by Specimen Date | List by Record Uploaded ]

Taxon Spn Date Site (10k) Recorder Comment
Acleris schalleriana  15/01/2025  TM09 - Attleborough Chris Knott  Gen det Male  
Acleris schalleriana  16/12/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Caloptilia honoratella  06/12/2024  TF63 - Attleborough Ray Roche  Female Gen Det Jim Hodgekinson  (<100 Norfolk records)
Pale November Moth Epirrita christyi  24/11/2024  TG14 - Attleborough Andrew Kershaw  gen det R J Eagling (male)  
Northern Winter Moth Operophtera fagata  16/11/2024  TF62 - Attleborough Ray Roche  2 confirmed by Gen Det by Jim Hodgekinson  
November Moth Epirrita dilutata  12/11/2024  TF63 - Attleborough Jim Hodgkinson  Male gen det J Hodgkinson  
Northern Winter Moth Operophtera fagata  12/11/2024  TF63 - Attleborough Jim Hodgkinson  Males gen det J Hodgkinson  
Acleris schalleriana  09/11/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Tuta absoluta  07/11/2024  TG20 - Attleborough Dave Jones  Male. Gen det by Mick A'Court  (Only 8 Norfolk records)
Acleris ferrugana  07/11/2024  TF92 - Attleborough Roger Ward  gen det (female) J Hodgkinson  
Hofmannophila pseudospretella  06/11/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Acleris ferrugana  05/11/2024  TG04 - Attleborough A. Harrap  1 gen det, R J Eagling (male)  
November Moth Epirrita dilutata  05/11/2024  TG14 - Attleborough Andrew Kershaw  gen det R J Eagling (male)  
Phyllonorycter messaniella  04/11/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Caloptilia honoratella  04/11/2024  TG14 - Attleborough Richard J Eagling  female, gen det R J Eagling  (<100 Norfolk records)
November Moth Epirrita dilutata  03/11/2024  TF92 - Attleborough Roger Ward  gen det (male) J Hodgkinson  
Plutella xylostella  03/11/2024  TM09 - Attleborough Chris Knott  Gen det - femaile  
Caloptilia elongella  03/11/2024  TM09 - Attleborough Chris Knott  Gen det - femaile  
White-spotted Pug Eupithecia tripunctaria  01/11/2024  TG14 - Attleborough Richard J Eagling  female, gen det R J Eagling  
November Moth Epirrita dilutata  01/11/2024  TF92 - Attleborough Roger Ward  gen det (male) J Hodgkinson  
November Moth Epirrita dilutata  29/10/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Pale November Moth Epirrita christyi  29/10/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Gem Nycterosea obstipata  29/10/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Caloptilia betulicola  29/10/2024  TF63 - Attleborough Jim Hodgkinson  Female gen det J Hodgkinson  
Scoparia ambigualis  29/10/2024  TF63 - Attleborough Jim Hodgkinson  Male gen det J Hodgkinson  
Autumnal Moth Epirrita autumnata  29/10/2024  TF63 - Attleborough Jim Hodgkinson  male gen det J Hodgkinson  
Zelleria oleastrella  29/10/2024  TF91 - Attleborough David Norgate  Female - Gen. Det. Dave Appleton. specimen retained coll. JW. -ExpRec   (Only Norfolk record)
November Moth Epirrita dilutata  29/10/2024  TF74 - Attleborough RSPB Titchwell Volunteers  Male - Gen Det. By Jim Hodgkinson  
November Moth Epirrita dilutata  29/10/2024  TF74 - Attleborough RSPB Titchwell Volunteers  Male - Gen Det. By Jim Hodgkinson  
November Moth Epirrita dilutata  28/10/2024  TG04 - Attleborough A. Harrap  2 gen det, R J Eagling (1 male, 1 female)  
November Moth Epirrita dilutata  28/10/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Aproaerema anthyllidella  28/10/2024  TF92 - Attleborough Dave Appleton  male, gen det  
November Moth Epirrita dilutata  25/10/2024  TF92 - Attleborough Roger Ward  gen det (male) J Hodgkinson  
Acleris sparsana  24/10/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Monopis crocicapitella  21/10/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Acleris sparsana  19/10/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Gem Nycterosea obstipata  16/10/2024  TF92 - Attleborough Roger Ward  gen det (male) J Hodgkinson  
Acleris ferrugana  16/10/2024  TF92 - Attleborough Roger Ward  gen det (male) J Hodgkinson  
Pale November Moth Epirrita christyi  16/10/2024  TG14 - Attleborough Andrew Kershaw  gen det R J Eagling (male)  
Acleris schalleriana  16/10/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Acleris schalleriana  14/10/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Phyllonorycter lantanella  08/10/2024  TG20 - Attleborough Dave Jones  Male. Gen det by Mick A'Court  (<50 Norfolk records)
Monopis crocicapitella  08/10/2024  TF74 - Attleborough RSPB Titchwell Volunteers  Female - Gen. Det. By Richard Eagling  
Aproaerema anthyllidella  07/10/2024  TG04 - Attleborough A. Harrap  1 gen det, R J Eagling (male)  
Acleris notana  07/10/2024  TF63 - Attleborough Ray Roche  Male. Gen Det by Jim Hodgekinson  (<100 Norfolk records)
Acleris schalleriana  05/10/2024  TF92 - Attleborough Roger Ward  gen det (male) J Hodgkinson  
Scoparia ambigualis  05/10/2024  TL78 - Attleborough James Symonds  male, Gen Det J Symonds  
Caloptilia rufipennella  04/10/2024  TG14 - Attleborough Richard J Eagling  female, gen det R J Eagling  
Niditinea fuscella  04/10/2024  TM09 - Attleborough Chris Knott  Gen det Male  (<100 Norfolk records)
Blastobasis lacticolella  03/10/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Phyllonorycter messaniella  03/10/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Acleris schalleriana  30/09/2024  TF92 - Attleborough Dave Appleton  female, gen det  
Pink-barred Sallow Xanthia togata  25/09/2024  TF92 - Attleborough Dave Appleton  worn male, gen det  
Vine's Rustic Hoplodrina ambigua  25/09/2024  TF92 - Attleborough Dave Appleton  1 worn male gen det  
Epinotia maculana  24/09/2024  TF91 - Attleborough Dave Appleton  females, gen det  (Only 12 Norfolk records)
Scrobipalpa ocellatella  24/09/2024  TF91 - Attleborough Dave Appleton  male, gen det  
Small Mottled Willow Spodoptera exigua  23/09/2024  TF63 - Attleborough Ray Roche  Worn individual.Male Gen Det by Jim Hodgekinson  
Small Square-spot Diarsia rubi  23/09/2024  TL78 - Attleborough James Symonds  male, gen det J Symonds  
Elachista subnigrella  23/09/2024  TL78 - Attleborough James Symonds  male, gen det J Symonds  (Only 7 Norfolk records)
Catoptria falsella  23/09/2024  TL78 - Attleborough James Symonds  female, gen det J Symonds  
Coleophora asteris  22/09/2024  TG04 - Attleborough Lynnette Nicholson, Mark Golley  Gen det M A'Court male  (Only 12 Norfolk records)
Tuta absoluta  22/09/2024  TG04 - Attleborough Lynnette Nicholson, Mark Golley  Gen det M A'Court male  (Only 8 Norfolk records)
Phycitodes lacteella  22/09/2024  TG51 - Attleborough Kevan Brett  Gen. Det. Female. Dave Appleton. New to the UK. Specimen retained JW.   (Only Norfolk record)
Caloptilia betulicola  22/09/2024  TF63 - Attleborough Jim Hodgkinson  Males gen det J Hodgkinson  
Scoparia ambigualis  22/09/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Acleris laterana  21/09/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Elachista consortella  21/09/2024  TF91 - Attleborough Dave Appleton  male, gen det  (<50 Norfolk records)
Oak Hook-tip Watsonalla binaria  21/09/2024  TF91 - Attleborough Dave Appleton  male, gen det  
Elachista consortella  21/09/2024  TF91 - Attleborough Dave Appleton  male, gen det  (<50 Norfolk records)
Epinotia nisella  20/09/2024  TF92 - Attleborough Dave Appleton  male, gen det; 46 cornuti  
Acleris ferrugana  20/09/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Caloptilia rufipennella  20/09/2024  TG14 - Attleborough Richard J Eagling  female, gen det R J Eagling  
Phyllonorycter messaniella  20/09/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Elachista canapennella  20/09/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Bedellia somnulentella  20/09/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Aproaerema anthyllidella  20/09/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Elachista alpinella  20/09/2024  TL78 - Attleborough James Symonds  male, Gen Det J Symonds  (<50 Norfolk records)
Elachista canapennella  20/09/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Phyllonorycter ulmifoliella  19/09/2024  TG04 - Attleborough Lynnette Nicholson, Mark Golley  Gen det M A'Court female  
Monopis crocicapitella  19/09/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Bryotropha basaltinella  19/09/2024  TF92 - Attleborough Dave Appleton  females, gen det  
Cameraria ohridella  18/09/2024  TG14 - Attleborough Richard J Eagling  female, gen det R J Eagling  
Acleris variegana  18/09/2024  TG14 - Attleborough Richard J Eagling  female, gen det R J Eagling  
Depressaria badiella  18/09/2024  TF63 - Attleborough Ray Roche  Female. Gen Det by Jim Hodgekinson  (<100 Norfolk records)
Scrobipalpa nitentella  18/09/2024  TG04 - Attleborough Andrew Kershaw  2 (1 gen det RJ Eagling)  (<100 Norfolk records)
Bryotropha basaltinella  18/09/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Epinotia ramella  17/09/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Scrobipalpa ocellatella  17/09/2024  TF91 - Attleborough Dave Appleton  1 female gen det  
Bryotropha domestica  17/09/2024  TF92 - Attleborough Dave Appleton  male, gen det  
Bactra lancealana  16/09/2024  TG04 - Attleborough A. Harrap  1 gen det, R J Eagling (male)  
Depressaria badiella  16/09/2024  TG04 - Attleborough A. Harrap  1 gen det, R J Eagling (female)  (<100 Norfolk records)
Agonopterix nervosa  16/09/2024  TG04 - Attleborough A. Harrap  1 gen det, R J Eagling (male)  
Phyllonorycter rajella  14/09/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Elachista canapennella  14/09/2024  TG14 - Attleborough Richard J Eagling  male, gen det R J Eagling  
Stigmella microtheriella  12/09/2024  TF91 - Attleborough Dave Appleton  female, gen det; on Hazel  
Acleris rhombana  11/09/2024  TF63 - Attleborough Ray Roche  Male. Gen Det by Jim Hodgekinson  
Homoeosoma nebulella  11/09/2024  TF63 - Attleborough Ray Roche  Male. Gen Det by Jim Hodgekinson  
Phyllonorycter messaniella  09/09/2024  TG04 - Attleborough A. Harrap  1 gen det, R J Eagling (male)  
Endothenia marginana  08/09/2024  TF63 - Attleborough Ray Roche  Female. Gen Det by Jim Hodgekinson  (<100 Norfolk records)
Homoeosoma nebulella  08/09/2024  TF63 - Attleborough Ray Roche  Male. Gen Det by Jim Hodgekinson  

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Underlying maps using Digital Map Data © NOLA™ 2025. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2025. Data © NOLA™ 2025
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