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The Society for the study of flies (Diptera)

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#1 2019-11-13 23:45:04

toshgallego
Registered user
Name: tony fergus
From: Musselburgh, scotland
Registered: 2019-08-09
Posts: 27

Confirmation of species

Would anyone help to confirm the identity of the following taken on 24/08/19 all I think Eristalis:
pic1 e.abusiva
pic2 e. nemorum
pic3 e. tenax
pic4 e. horticola
pic5 e. pertinax
I used the wing patterns to narrow down the possibilities.

Thanks in advance

Tony


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Last edited by toshgallego (2019-11-13 23:56:34)

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#2 2019-11-13 23:57:40

toshgallego
Registered user
Name: tony fergus
From: Musselburgh, scotland
Registered: 2019-08-09
Posts: 27

Re: Confirmation of species

sorry pics in wrong order as I had to resubmit an oversized one!

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#3 2019-11-14 21:40:50

Geoff F
DF Members
Name: Geoff Foale
From: South Devon
Registered: 2014-05-12
Posts: 225

Re: Confirmation of species

I find Eristalis can be tricky so I like to see all legs plus the face before giving a firm identification.

My guess for these (but not an identification) would be

1. Arbustorum or pertinax ?
2. Myathropa florea (dark form)
3. Arbustorum ?
4. Pertinax ?
5. Arbustorum ?

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#4 2019-11-15 22:32:21

toshgallego
Registered user
Name: tony fergus
From: Musselburgh, scotland
Registered: 2019-08-09
Posts: 27

Re: Confirmation of species

Thanks Geoff for the input. I have been sitting on these pics a while for the same reason as they are all pretty similar. I don't know if it would help any if I told you they were all photographed on the same date at a coastal area of East Lothian. I do have multiple shots taken at different angles as well but posted a single shot to keep it brief. Might expand later by concentrating on one set at a time.

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#5 2019-11-15 23:23:29

toshgallego
Registered user
Name: tony fergus
From: Musselburgh, scotland
Registered: 2019-08-09
Posts: 27

Re: Confirmation of species

I think I have to agree with you on pic 2 looking at the higher res pics; wing cell R1 open and meeting the costa good enough for me to ID it.

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