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Diptera.info :: Family forums :: Syrphidae
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Eristalis pertinax or similis?
Karsten Thomsen
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Posted on 23-04-2020 10:12
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Location: Hjortshøj, Jutland, Denmark
Posts: 651
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 In the field, I saw this male as belonging to Eristalis pertinax, so I did not pay any special attention. However, seeing the very clear wings in the photo, I subsequently got doubts whether it could rather be E. similis, and if, whether it is possible to tell for sure from this limited angle. From a flowering sloe S of Horsens, Denmark, yesterday 22 April.

Karsten
Edited by Karsten Thomsen on 23-04-2020 10:13
 
https://www.flickr.com/photos/94052068@N06/collect
Karsten Thomsen
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Posted on 23-04-2020 10:15
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Location: Hjortshøj, Jutland, Denmark
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 Photo attachment play tricks with me...
 
https://www.flickr.com/photos/94052068@N06/collect
Paul Beuk
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Posted on 23-04-2020 11:04
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Suillia laevifrons?--> Suillia similis Diptera (adults) 14 10-07-2025 08:19
Eristalis arbustorum? E. tenax Syrphidae 6 04-06-2025 21:21
Eristalis sp, male? --> E. pertinax, male Syrphidae 4 21-04-2025 19:07
Eristalis, maybe nemorum? Syrphidae 2 18-04-2025 21:15
Syrphidae=>Eristalis tenax (female) Syrphidae 5 15-03-2025 14:35
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nichilme
08.09.25 16:17
Anyone has this article'A REVISION OF SPECIES OF THE GENUS CADREMA WALKER (DIPTERA, CHLOROPIDAE) FROM ISLANDS IN THE INDIAN OCEAN'？ Smile

eklans
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Thanks for your proposal, but for me this option is ineligible.

rvanderweele
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For those specialists not active on Facebook, I just ask to consider to join our group on FB. Please, be aware that it is not necessary at all to be active on FB outside the diptera group. Actually, n

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Tony Irwin
23.06.25 18:10
If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

smol
23.06.25 11:18
Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

Tony Irwin
19.06.25 15:33
I have the hard copy book, if you have any specific queries, but I'm not scanning the 500+ pages!

smol
02.06.25 18:26
Anyone has "Chironomidae of the Holarctic region. Keys and diagnoses. Part 3. Adult Males Entomologica Scandinavica Supplement 34"? smolwaarneming@gma
il.com

Nikita Vikhrev
28.05.25 20:57
I have Russian Coenosia. nikita6510@ya.ru

smol
28.05.25 12:25
Is someone able to share with me "A key to the Russian species of the genus Coenosia"?

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