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Diptera.info :: Identification queries :: Diptera (adults)
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Tiny grey and black fly on yellow flower
Oryctes
#1 Print Post
Posted on 24-08-2019 14:29
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Hello,
I am new ont this forum and not very good at English so excuse me for mistakes.
It is about this little fly (4mm), recently presented on LMDI which is probably Azelia for the genus but it is more dificult to give it a species. Could it be Azelia nebulosa though the diptera's specialist of LMDI does not see bristles on hind tibia, usual for the species, and finds strange two white points above the antennas.
Thank you for answer,
Dominique
www.galerie-insecte.org/galerie/image/dos237/big/11%2008%2019%20LDH%2053.jpg
Oryctes : France : Villeneuve-d'Ascq : 59650 : 11/08/2019
Altitude : NR - Taille : 4mm
Réf. : 237816
www.galerie-insecte.org/galerie/image/dos237/big/11%2008%2019%20LDH%2056.jpg
Oryctes : France : Villeneuve-d'Ascq : 59650 : 11/08/2019
Altitude : NR - Taille : 4mm
Réf. : 237817
www.galerie-insecte.org/galerie/image/dos237/big/11%2008%2019%20LDH%2058.jpg
Oryctes : France : Villeneuve-d'Ascq : 59650 : 11/08/2019
Altitude : NR - Taille : 4mm
Réf. : 237818
www.galerie-insecte.org/galerie/image/dos237/big/11%2008%2019%20LDH%2058.jpg
Oryctes : France : Villeneuve-d'Ascq : 59650 : 11/08/2019
Altitude : NR - Taille : 4mm
 
Nikita Vikhrev
#2 Print Post
Posted on 24-08-2019 17:37
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Azelia
Nikita Vikhrev - Zool Museum of Moscow University
 
Nikita Vikhrev
#3 Print Post
Posted on 24-08-2019 17:38
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Probably A. monodactyla
Nikita Vikhrev - Zool Museum of Moscow University
 
Oryctes
#4 Print Post
Posted on 24-08-2019 19:16
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Thank you very much Nikita Vikhrev for this fast answer !
 
Oryctes
#5 Print Post
Posted on 27-08-2019 16:36
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Hello,
I am back to ask Nikita Vikhrev, if possible, another question about this little fly... In your kind and interesting answer, you wrote it was "probably A. monodactyla". It is not easy to find photos and descriptions of this species. Looking etymologically the words, I wondered what the term "monodactyla" could indicate. Could it be the single claw we can see on the fore tarse of the insect (detail of a photo already here) ?
www.galerie-insecte.org/galerie/image/dos238/big/11%2008%2019%20LDH%2058%20detail.jpg
Oryctes : France : Villeneuve-d'Ascq : 59650 : 11/08/2019
Altitude : NR - Taille : non mesurée
Réf. : 238811

Thanking you in advance...
Dominique
 
Nikita Vikhrev
#6 Print Post
Posted on 28-08-2019 18:44
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Hi Dominique.
For information you can use my revision of Azelia, it is available here:
https://ia600308.us.archive.org/31/items/ReviewOfTheWorldFaunaOfTheGenusAzeliadipteraMuscidae/Amur15-1_Vikhrev.pdf
Several other species of Azelia have fore outer claw modified as on your photo, for example, A. beuki which I named in honour of foundator of diptera.info Dr. Paul Beuk Smile But A. beuki is Oriental species connected with elephans which are absent in France. Your male has p seta on t1, this character it shares with A. parva and A. spinosa, but in both mentioned species fore outer claw is of normal size or almost so. Thus, your photos are A. monodactyla on my guaranteeю
Nikita Vikhrev - Zool Museum of Moscow University
 
Nikita Vikhrev
#7 Print Post
Posted on 28-08-2019 18:46
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And I recomend to submit 3rd image to the Diptera Gallery
Nikita Vikhrev - Zool Museum of Moscow University
 
Paul Beuk
#8 Print Post
Posted on 28-08-2019 20:17
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TumbsUp And add the first, too, because that one shows the abdominal pattern.
Paul

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Paul Beuk on https://diptera.info
 
diptera.info
Oryctes
#9 Print Post
Posted on 28-08-2019 20:42
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Thank you very much, Nikita Vikhrev, I am delighted by your complete answer and obviously I will read in full your work on genus Azelia. I confess that I did not know you had done a so important work on Azelia and it is with great pleasure I have discovered that. If possible, I will follow your advice and submit 3rd image to the Diptera Gallery... Dominique
 
Oryctes
#10 Print Post
Posted on 28-08-2019 20:49
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Really a good day ! Thank you Paul Beuk for your suggestion. I will be happy to do that but, as I said, it was my first time here and I do not know exactly how to send the photos on Diptera Gallery. I have to examine this matter ! Dominique
 
Paul Beuk
#11 Print Post
Posted on 29-08-2019 07:19
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https://diptera.info/submit.php?stype=p
Paul

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Paul Beuk on https://diptera.info
 
diptera.info
evdb
#12 Print Post
Posted on 30-08-2019 14:52
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Hi Paul and Nikita, I downloaded for the gallery the two photos of this subject, their author having failed to do so.

Thanks for identification.
Eugene
 
http://portfolio.fotocommunity.fr/evdb
Pierre-Yves
#13 Print Post
Posted on 01-09-2019 14:40
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Hello,

Here is a photo of a possible Azelia monodactyla caught foraging on a flower.
The photo shows "tar2-3 ventrally with waved hairs" which is similar to the figure in Nikita's 2015 Azelia article.

www.galerie-insecte.org/galerie/image/dos239/big/azelia%20monodactila%202.jpg
Pierre-Yves GLOAGUEN : France : Confort Meilars : 29790 : 30/08/2019
Altitude : NR - Taille : 3 mm
Réf. : 239227

I can send a male sample to confirm identification if you want.

P-YSmile
Edited by Pierre-Yves on 29-10-2022 21:45
 
Nikita Vikhrev
#14 Print Post
Posted on 01-09-2019 15:58
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A. monodactyla without doubts. It is common on horse dung (though horse dung is uncommon presently). Also, on the horse dung you should find Azelia spinosa Vikhrev, 2015, I'm sure this species is present in France as well.
Nikita Vikhrev - Zool Museum of Moscow University
 
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