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Diptera.info :: Identification queries :: Diptera (adults)
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Small Tephritis -> T. tanaceti
Axel D
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Posted on 08-08-2022 16:52
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Location: France
Posts: 164
Joined: 16.10.15

Hello

Today I found this small fly (and two other similar ones) by sweep netting some Tanacetum vulgare. I think it's either Tephritis tanaceti or T. praecox which seem to be very similar. According to https://bladmineerders.nl/ T. tanaceti may be found on Tanacetum vulgare whereas T. praecox would be on Calendula or Filago (I didn't see either of these plants). With the host plant, I would have chosen T. tanaceti but this topic shows a fly identified as T. praecox on Tanacetum vulgare. So, which species does my fly belong to ?

Found in Rosny-sous-Bois, Seine-Saint-Denis, Île-de-France, France
On the 8th of August 2022
Body length : 3 mm
i23.servimg.com/u/f23/19/23/36/25/img_6729.jpg

Edit : I have just seen that there is another close species : Tephritis dioscurea. But it doesn't seem to have already been recorded in France and I don't know if it can be found on Tanacetum vulgare (bladmineerders only gives it on T. corymbosum in this genus).

Edit : Tephritis dioscurea seems to be known in France, but with another spelling : Tephritis dioscura
Edited by Axel D on 08-08-2022 20:55
 
Nosferatumyia
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Posted on 08-08-2022 20:23
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Looks to be a very typical T. tanaceti Hering (which is possibly a host race of T. dioscurea or perhaps a good species -- nobody knows so far)
Edited by Nosferatumyia on 08-08-2022 20:24
Val
 
Axel D
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Posted on 08-08-2022 20:54
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Location: France
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Thank you Val for your confirmation and your comment.
 
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