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Diptera.info :: Identification queries :: Diptera (adults)
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Cylindromyia => Cylindromyia brassicaria
Jessica
#1 Print Post
Posted on 18-01-2022 00:20
Member

Location:
Posts: 205
Joined: 28.08.18

Hello,


For this Cylindromyia photographed in the south of France, I tried to eliminate the species that I could.

- bicolor : top of the abdomen red
- intermedia : 2nd antennal article yellow
- interrputa and pusilla : lack apical scutellar bristle
- rubida and rufipes : orange legs
- rubifrons : yellow frontal band
- brevicornis, pilipes, brassicaria, xylotina : no pv on hind tibia

It's more difficult with auriceps. This species, according to the key of central Europe Tachinidae, generally has discal bristles, but in a lot of pictures here I can't see these bristles. According to the key again, this species does not have pd bristles on tibia 2, but I think I can see pd on a few pictures in the forum.

In France, we have too : scapularis and hermonensis.

Any information on scapularis and hermonensis, and an idea for this Cylindromyia ?

www.galerie-insecte.org/galerie/image/dos297/big/Tachi-4.jpg
Jessica Joachim : France : Cuq : 81570 : 19/06/2021
Altitude : 298 m - Taille : 10 mm environ ?
Réf. : 297089

www.galerie-insecte.org/galerie/image/dos297/big/Tachi-3.jpg
Jessica Joachim : France : Cuq : 81570 : 19/06/2021
Altitude : 298 m - Taille : 10 mm environ ?
Réf. : 297090

www.galerie-insecte.org/galerie/image/dos297/big/Tachi-2.jpg
Jessica Joachim : France : Cuq : 81570 : 19/06/2021
Altitude : 298 m - Taille : 10 mm environ ?
Réf. : 297091

www.galerie-insecte.org/galerie/image/dos297/big/Tachi.jpg
Jessica Joachim : France : Cuq : 81570 : 19/06/2021
Altitude : 298 m - Taille : 10 mm environ ?
Réf. : 297092
Edited by Jessica on 22-01-2022 20:35
 
Zeegers
#2 Print Post
Posted on 18-01-2022 10:48
Member

Location: Soest, NL
Posts: 17084
Joined: 21.07.04

Hi Jessica,

No, your supposed pv is avtually an av. Making these assessments from pictures is extremely tricky. Hermonensis / scapularis are very different.

This is brassicaria group, very likely brassicaria.

Theo
 
Jessica
#3 Print Post
Posted on 18-01-2022 16:07
Member

Location:
Posts: 205
Joined: 28.08.18

Thank you very much Zeegers.

For hermonensis/scapularis, they are very different, visually, in color ?

And here, is the setae on the left of t3 a pv ? Or another ?

www.galerie-insecte.org/galerie/image/dos297/big/tachi.jpg
Jessica Joachim : France : Cuq : 81570 : 19/06/2021
Altitude : 298 m - Taille : 10 mm environ ?
Réf. : 297106
 
Zeegers
#4 Print Post
Posted on 18-01-2022 18:08
Member

Location: Soest, NL
Posts: 17084
Joined: 21.07.04

There is the option of a froum search. You find this

https://diptera.info/forum/viewthread.php?forum_id=5&thread_id=52779

antenna much more orange.

Theo
 
Jessica
#5 Print Post
Posted on 18-01-2022 18:39
Member

Location:
Posts: 205
Joined: 28.08.18

Ok, thank you !
So, it's the same for hermonensis ? I can't find anything about this species in the forum search.
 
Zeegers
#6 Print Post
Posted on 19-01-2022 08:02
Member

Location: Soest, NL
Posts: 17084
Joined: 21.07.04

yes.

So best advice is to start with the common species.
Once you have seen a hunderd brassicaria, you will pick out the rare ones with ease. Until that time ….


Theo
Edited by Zeegers on 19-01-2022 08:03
 
Jessica
#7 Print Post
Posted on 19-01-2022 18:14
Member

Location:
Posts: 205
Joined: 28.08.18

Ok !

Thank you very much Smile
 
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21 May 2022 04:47
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