DavidHowdon's picture

Dented tortrix

Observed: 7th August 2009 By: DavidHowdon
Amateur Entomologists' SocietyLondon Natural History SocietySelborne Society
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1062 Acleris emargana (Fabricius, 1775) - Black Park, Buckinghamshire (VC 24), 7th August 2009
Description:

Added to accompany ID suggestion at http://www.ispot.org.uk/node/227959. Genitalia have been examined.

Identifications
Species interactions

No interactions present.

Species with which Acleris emargana interacts

Comments

nick.percival's picture

emargana/effractana

David

Sorry, should have added this revision to the other photo!

Nick

DavidHowdon's picture

Genitalia

I've only just added the comment that the genitalia were checked (not by me - that is still on my skills to acquire list) so from what is presented here your ID is all that can be safely done anyway.

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David Howdon

Martin Harvey's picture

agreement

I've agreed with David's original species ID based on his comments about it having been subsequently confirmed, but good to have the reminder from Nick that there are two similar species that need to be taken into account.

According to UKmoths, Acleris effractana is mostly found in Scotland, and seems to have a much less obvious 'dent' in the wings:
http://ukmoths.org.uk/show.php?id=5679

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Entomologist and biological recorder

DavidHowdon's picture

UKmoth text

As I read the UK moth text A. emargana (with the big dent) can be identified from visual inspection.

However if the dent is smaller then dissection would be needed to split effractana from emargana.

But I could be over-interpreting the text somewhat.

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David Howdon