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Diptera.info :: Identification queries :: Diptera (adults)
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Tachinidae : Bithia ? => Bithia modesta
Jessica
#1 Print Post
Posted on 04-02-2024 17:30
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Location:
Posts: 265
Joined: 28.08.18

 Hello,

Is this fly a Bithia ? May be B. acanthophora ?

www.galerie-insecte.org/galerie/image/dos336/big/mouche-3.jpg
Jessica Joachim : France : Albine : 81240 : 11/06/2022
Altitude : 912 m - Taille : 8 mm environ
Réf. : 336395

www.galerie-insecte.org/galerie/image/dos336/big/mouche-2.jpg
Jessica Joachim : France : Albine : 81240 : 11/06/2022
Altitude : 912 m - Taille : 8 mm environ
Réf. : 336396

www.galerie-insecte.org/galerie/image/dos336/big/mouche.jpg
Jessica Joachim : France : Albine : 81240 : 11/06/2022
Altitude : 912 m - Taille : 8 mm environ
Réf. : 336397
Edited by Jessica on 05-02-2024 19:24
 
Zeegers
#2 Print Post
Posted on 04-02-2024 19:16
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Location: Soest, NL
Posts: 18965
Joined: 21.07.04

 Bithia yes, I'd say female B. modesta

Theo
 
Jessica
#3 Print Post
Posted on 04-02-2024 19:32
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Location:
Posts: 265
Joined: 28.08.18

 Thank you very much !
In this key, it's written that B. modesta doesn't have marginal bristles on T2.
Mine has no ? I see two dorso marginal bristles
Edited by Jessica on 04-02-2024 19:33
 
John Carr
#4 Print Post
Posted on 04-02-2024 20:17
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Location: Massachusetts, USA
Posts: 10393
Joined: 22.10.10

 I see two discal bristles near the front of T3.
 
http://www.flickr.com/photos/31715949@N00
Zeegers
#5 Print Post
Posted on 04-02-2024 21:03
Member

Location: Soest, NL
Posts: 18965
Joined: 21.07.04

 Jessica, so the first two segments are merged, called syntergite 1&2. That makes tha apparent second segment actually the third.
So syntergite 1&2 has ni marginals here. https://uk.inaturalist.org/taxa/321744-Bithia-modesta

Theo
Edited by Zeegers on 06-02-2024 16:40
 
Jessica
#6 Print Post
Posted on 05-02-2024 19:23
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Location:
Posts: 265
Joined: 28.08.18

 Ahhh yes exactly !
That’s where my mistake comes from. Thanks Smile
 
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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"?

Nikita Vikhrev
08.05.25 18:22
I have

rvanderweele
03.05.25 08:35
Does someone has a scan of Nartshuk E.P. 2003. Key to families of Diptera (Insecta) of the fauna of Russian and adjacent countries. Proceedings of the Zoological Institute Vol. 294: 1-252 for me?

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