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.

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Latest Specimen Determination - Listed by Specimen Date - Last Updated 15/01/21

[ List by Specimen Date | List by Record Uploaded ]

Taxon Spn Date Site (10k) Recorder Comment
Acleris ferrugana  12/11/2020  TG30 - Brundall/Cantley Ben Lewis  gen det 2 females  
Brick Agrochola circellaris  10/11/2020  TF63 - Snettisham/Dersingham Dick Jones  Gen. det. male.  
Acleris ferrugana  09/11/2020  TF81 - Castle Acre/Litcham Keith Kerr  female. gen.det.  
November Moth Epirrita dilutata  08/11/2020  TG41 - Acle/Hemsby Ken & Joan Saul  Gen. det. D. Hipperson  
November Moth Epirrita dilutata  08/11/2020  TL79 - Methwold/Foulden Graham And Zoe Geen  males gen. det  
Acleris ferrugana  06/11/2020  TF63 - Snettisham/Dersingham Ray Roche  Female Gen Det by Jim Hodgekinson  
Monopis crocicapitella  30/10/2020  TG14 - Sheringham Richard J Eagling  female, gen det R J Eagling  
November Moth Epirrita dilutata  30/10/2020  TG14 - Sheringham Richard J Eagling  male, gen det R J Eagling  
Autumnal Moth Epirrita autumnata  30/10/2020  TG13 - Baconsthorpe Andy Wallis  Male. Gen. det. A. Wallis. - R. andrew wallis  
November Moth Epirrita dilutata  30/10/2020  TG13 - Baconsthorpe Andy Wallis  Male. Gen. det. A. Wallis. - R. andrew wallis  
Caloptilia rufipennella  30/10/2020  TF63 - Snettisham/Dersingham Ray Roche  Both Male Gen Det by Jim Hodgekinson  
November Moth Epirrita dilutata  30/10/2020  TF63 - Snettisham/Dersingham Ray Roche  Male Gen Det by Jim Hodgekinson  
Pale November Moth Epirrita christyi  29/10/2020  TG13 - Baconsthorpe Andy Wallis  Male. Gen. det. A.Wallis. - R. andrew wallis  
November Moth Epirrita dilutata  29/10/2020  TG13 - Baconsthorpe Andy Wallis  Males. Gen. det. A.Wallis. - R. andrew wallis  
Pale November Moth Epirrita christyi  23/10/2020  TG10 - Wymondham/Cringleford Stephen Vickers  Gen. Det. (Male) S. Vickers.  
November Moth Epirrita dilutata  23/10/2020  TL79 - Methwold/Foulden Graham And Zoe Geen  males gen. det  
Pale November Moth Epirrita christyi  23/10/2020  TL79 - Methwold/Foulden Graham And Zoe Geen  male gen. det  
Autumnal Moth Epirrita autumnata  21/10/2020  TL79 - Methwold/Foulden Graham And Zoe Geen  male gen. det. - R. graham geen  
Pale November Moth Epirrita christyi  20/10/2020  TG14 - Sheringham Richard J Eagling  male, gen det R J Eagling  
Epinotia caprana  20/10/2020  TG32 - Stalham/Catfield Mick A’Court  3 Gen. Det. male. 2 Gen. Det. female. Total of 10 dissected Epinotia caprana all found dead, just floating on the surface of the water over several days in areas of the fen where Bog Myrtle is prevalent.  (<50 Norfolk records)
Epinotia caprana  19/10/2020  TG32 - Stalham/Catfield Mick A’Court  1 Gen. Det male Mixed fen near wet & dry wood  (<50 Norfolk records)
November Moth Epirrita dilutata  19/10/2020  TL79 - Methwold/Foulden Graham Geen  male gen. det.  
Epinotia caprana  18/10/2020  TG32 - Stalham/Catfield Mick A’Court  1 Gen. Det male Mixed fen near wet & dry wood  (<50 Norfolk records)
November Moth Epirrita dilutata  17/10/2020  TG13 - Baconsthorpe Andrew Wallis  Male + Female. Gen. det. A. Wallis.  
Dark Chestnut Conistra ligula  16/10/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  
Autumnal Moth Epirrita autumnata  16/10/2020  TG13 - Baconsthorpe Andy Wallis  Female. Gen. det. A.Wallis. - R. andrew wallis  
Epinotia sordidana  14/10/2020  TG32 - Stalham/Catfield Mick A’Court  1 Gen. Det female Mixed fen near wet & dry wood  (Only 14 Norfolk records)
November Moth Epirrita dilutata  12/10/2020  TG10 - Wymondham/Cringleford Stephen Vickers  Gen. Det. (Male) S. Vickers.  
November Moth Epirrita dilutata  11/10/2020  TG10 - Wymondham/Cringleford Stephen Vickers  Gen. Det. (Male) S. Vickers.  
Dark Chestnut Conistra ligula  02/10/2020  TF92 - Fakenham/Ryburgh Dave Appleton  female, gen det  
Coleophora alticolella  28/09/2020  TG13 - Baconsthorpe Andy Wallis  Male. Gen. det. A.Wallis.  
Acleris sparsana  27/09/2020  TF63 - Snettisham/Dersingham Dick Jones  male, Gen. det. R E Jones  
Scrobipalpa costella  27/09/2020  TF63 - Snettisham/Dersingham Dick Jones  male, Gen. det. RE Jones  
Elachista canapennella  22/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  
Phyllonorycter leucographella  22/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  
Phyllonorycter ulmifoliella  22/09/2020  TF63 - Snettisham/Dersingham Ray Roche  Female Gen Det by Jim Hodgekinson  
Epinotia caprana  21/09/2020  TG32 - Stalham/Catfield Mick A’Court  1 Gen. Det female Mixed fen near wet & dry wood  (<50 Norfolk records)
Elachista canapennella  19/09/2020  TG13 - Baconsthorpe Andy Wallis  Male. Gen. det. A. Wallis. - R. andrew wallis  
Caryocolum marmorea  15/09/2020  TF63 - Snettisham/Dersingham Dick Jones  male, Gen. det. R E Jones  
Bucculatrix cristatella  15/09/2020  TL78 - Hockwold/Weeting James Symonds  male, Gen det J Symonds  (<50 Norfolk records)
Cameraria ohridella  15/09/2020  TL78 - Hockwold/Weeting James Symonds  3x male, 2x female, Gen det J Symonds  
Homoeosoma nebulella  15/09/2020  TL78 - Hockwold/Weeting James Symonds  male, Gen det J Symonds  
Aproaerema anthyllidella  15/09/2020  TL78 - Hockwold/Weeting James Symonds  male, Gen det J Symonds  
Scrobipalpa ocellatella  15/09/2020  TL78 - Hockwold/Weeting James Symonds  female, Gen det J Symonds  (Only 6 Norfolk records)
Scrobipalpa atriplicella  15/09/2020  TF63 - Snettisham/Dersingham Ray Roche  Female Gen Det by Jim Hodgekinson  (<50 Norfolk records)
Scrobipalpa atriplicella  15/09/2020  TG13 - Baconsthorpe Andy Wallis  Male. Gen det A. Wallis. - R. andrew wallis  (<50 Norfolk records)
Acleris laterana  15/09/2020  TG13 - Baconsthorpe Andy Wallis  Male. Gen det A. Wallis. - R. andrew wallis  
Mompha bradleyi  14/09/2020  TG02 - Foxley/Foulsham Jon & Ad Clifton  gen det female  (Only 9 Norfolk records)
Elachista atricomella  14/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  
Elachista consortella  13/09/2020  TF63 - Snettisham/Dersingham Jim Hodgkinson  Female gen det J Hodgkinson Patrick Clement agrees with id on the facebook moth dissection website.  (Only 5 Norfolk records)
Endothenia marginana  13/09/2020  TG13 - Baconsthorpe Andy Wallis  Hind wing checked + male. Gen. det. A.Wallis - R. andrew wallis  (<50 Norfolk records)
Depressaria badiella  12/09/2020  TL78 - Hockwold/Weeting James Symonds  male, Gen det J Symonds  (<50 Norfolk records)
Elachista atricomella  11/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  
Ypsolopha sylvella  10/09/2020  TG11 - Drayton/Swannington James Lowen  1; gen det K Kerr  (<50 Norfolk records)
Common Wainscot Mythimna pallens  08/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  
Common Wainscot Mythimna pallens  08/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  female, gen det  
Epinotia immundana  08/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  
Elachista atricomella  08/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  
Mirificarma mulinella  08/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  female, gen det  
Bryotropha affinis  08/09/2020  TG14 - Sheringham Richard J Eagling  male, gen det R J Eagling  
Scrobipalpa ocellatella  08/09/2020  TL79 - Methwold/Foulden Graham And Zoe Geen  female gen. det. - R. graham geen  (Only 6 Norfolk records)
Ectoedemia sericopeza  08/09/2020  TL79 - Methwold/Foulden Graham And Zoe Geen  male gen. det. - R. graham geen  (<50 Norfolk records)
Bryotropha domestica  08/09/2020  TF63 - Snettisham/Dersingham Dick Jones  male, Gen. det. R E Jones  
Depressaria badiella  08/09/2020  TF63 - Snettisham/Dersingham Dick Jones  male, Gen. det. R E Jones  (<50 Norfolk records)
Nephopterix angustella  08/09/2020  TF63 - Snettisham/Dersingham Dick Jones  male, Gen. det. R E Jones  
Gelechia hippophaella  08/09/2020  TF74 - Holme/Titchwell James Symonds & Andy Brown  male, Gen det J Symonds - R. james symonds  (Only 7 Norfolk records)
Svensson's Copper Underwing Amphipyra berbera  07/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  
Parornix betulae  07/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  female, gen det  
Mirificarma mulinella  07/09/2020  TL78 - Hockwold/Weeting James Symonds  female, Gen det J Symonds  
Argyresthia semitestacella  07/09/2020  TL78 - Hockwold/Weeting James Symonds  female, Gen det J Symonds  (<50 Norfolk records)
Aproaerema anthyllidella  07/09/2020  TL78 - Hockwold/Weeting James Symonds  2x male, Gen det J Symonds  
Depressaria badiella  07/09/2020  TL78 - Hockwold/Weeting James Symonds  male, Gen det J Symonds  (<50 Norfolk records)
Scrobipalpa ocellatella  07/09/2020  TL78 - Hockwold/Weeting James Symonds  female, Gen det J Symonds  (Only 6 Norfolk records)
Bucculatrix cristatella  07/09/2020  TL98 - Brettenham/Harling Steve Lane & Andy Brown  female, Gen det J Symonds - R. james symonds  (<50 Norfolk records)
Coleophora alcyonipennella  07/09/2020  TG13 - Baconsthorpe Andy Wallis  Male. Gen. det. A.Wallis.  
Juniper Pug Eupithecia pusillata  06/09/2020  TG14 - Sheringham Richard J Eagling  female, gen det R J Eagling  
Grapholita funebrana  06/09/2020  TG10 - Wymondham/Cringleford Stephen Vickers  Gen. Det. (Male) G. Smith  
Ephestia kuehniella  06/09/2020  TG20 - Norwich Tony Irwin  1 male live and 1 male and 1 female dead adults found in pack of porridge oats, male gen. det. and specimens (including pupal exuviae) retained. -ExpRec  (<50 Norfolk records)
Ypsolopha parenthesella  05/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  
Aproaerema anthyllidella  05/09/2020  TF63 - Snettisham/Dersingham Dick Jones  Male Gen. det. R E Jones Runs around like a small mouse.  
Parornix anglicella  05/09/2020  TF63 - Snettisham/Dersingham Dick Jones  male Gen. det. R E Jones  
Agonopterix assimilella  04/09/2020  TL78 - Hockwold/Weeting James Symonds  male, Gen det J Symonds  (<100 Norfolk records)
Elachista stabilella  03/09/2020  TG12 - Aylsham Dave Appleton, Joe Harkness  male, gen det + pure white frons and head  (Only 8 Norfolk records)
Elachista consortella  03/09/2020  TG12 - Aylsham Dave Appleton, Joe Harkness  male, gen det  (Only 5 Norfolk records)
Coleophora alcyonipennella  03/09/2020  TG12 - Aylsham Dave Appleton, Joe Harkness  female, gen det  
Bryotropha affinis  03/09/2020  TG14 - Sheringham Richard J Eagling  male, gen det R J Eagling  
Argyresthia albistria  03/09/2020  TL79 - Methwold/Foulden Graham And Zoe Geen  female gen. det. - R. graham geen  
Agonopterix assimilella  03/09/2020  TL79 - Methwold/Foulden Graham And Zoe Geen  male gen. det. - R. graham geen  (<100 Norfolk records)
Cochylidia implicitana  03/09/2020  TF63 - Snettisham/Dersingham Dick Jones  Gen. det male R E Jones  
Acleris sparsana  03/09/2020  TL78 - Hockwold/Weeting James Symonds  male, Gen det J Symonds  
Depressaria badiella  03/09/2020  TL78 - Hockwold/Weeting James Symonds  male, Gen det J Symonds  (<50 Norfolk records)
Anacampsis blattariella  03/09/2020  TF62 - King's Lynn/Dersingham Ray Roche And Keith Fox  Both Female Confirmed by Gen Det Jim Hodgekinson - R. ray roche  (<100 Norfolk records)
Epinotia caprana  02/09/2020  TG32 - Stalham/Catfield Mick A’Court  2 Gen. Det male Mixed fen near wet & dry wood  (<50 Norfolk records)
Epinotia tenerana  02/09/2020  TF92 - Fakenham/Ryburgh Dave Appleton  female, gen det  
Scrobipalpa ocellatella  02/09/2020  TL79 - Methwold/Foulden Graham And Zoe Geen  male gen. det. - R. graham geen  (Only 6 Norfolk records)
Dichrorampha simpliciana  02/09/2020  TG13 - Baconsthorpe Andy Wallis  Male. Gen. det. A. Wallis. - R. andrew wallis  
Coleophora salicorniae  31/08/2020  TG02 - Foxley/Foulsham Jon & Ad Clifton  gen det female  (<100 Norfolk records)
Scrobipalpa suaedella  31/08/2020  TF84 - Burnham/Holkham James Symonds, Andy Brown & Steve Lane  female, Gen det J Symonds  (<100 Norfolk records)
Caloptilia honoratella  30/08/2020  TG14 - Sheringham Louis Parkerson  The first for Norfolk! Potted from my tent which was situated a metre or two away from an actinic heath trap. The closest habitat was blackthorn scrub but the area has a lot of broadleaf woodland. I initially thought it was a Caloptilia alchimiella/robustella, but Jim Wheeler suggested C.hemidactylella based on a photo I uploaded to Twitter. Fortunately, I had retained the moth so, after it sat on my desk for a while, I finally sent it off to James McCulloch in November, who consequently peformed the gen det. However, he thought the genetalia didn't match any of the identifications originally suggested so the images of the genetalia were forwarded to Graeme Smith, who identified it as C. honoratella based on the spaced-out thorns within the corpus bursae! The appearance of this individual is atypical so James McCulloch has written an article which will be published in the Entomologist's Record in the near future. Perhaps also of note was the apparent lack of other migrants on the night. photoid Prep photos -   (Only Norfolk record)
Hedge Rustic Tholera cespitis  30/08/2020  TF92 - Fakenham/Ryburgh Dave Appleton  male, gen det  

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