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Diptera.info :: Identification queries :: Diptera (adults)
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ID Miltogramminae in nest Bembix rostrata? > Senotainia conica
Annemiek
#1 Print Post
Posted on 31-07-2026 14:53
Member

Location: SE part of the Netherlands
Posts: 35
Joined: 01.09.21

Hello,
Who could help ID a fly collected from the nest entrance of Bembix rostrata 25 July 2026 South of the Netherlands (Soerendonk)? Length approx. 4,5 to 5 mm. Could it be Senotainia albifrons, a known parasitoid of B. rostrata? Thanks in advance for any help. Best regards, Annemiek van Dijk
Annemiek attached the following image:


[240.53Kb]
Edited by Annemiek on 10-08-2026 09:50
 
Annemiek
#2 Print Post
Posted on 31-07-2026 15:05
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Location: SE part of the Netherlands
Posts: 35
Joined: 01.09.21

photo 2
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[143.05Kb]
 
Annemiek
#3 Print Post
Posted on 31-07-2026 15:06
Member

Location: SE part of the Netherlands
Posts: 35
Joined: 01.09.21

photo 3
Annemiek attached the following image:


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Edited by Annemiek on 31-07-2026 15:07
 
Annemiek
#4 Print Post
Posted on 31-07-2026 15:08
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Location: SE part of the Netherlands
Posts: 35
Joined: 01.09.21

photo 4
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Annemiek
#5 Print Post
Posted on 31-07-2026 15:10
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Location: SE part of the Netherlands
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photo 5
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Annemiek
#6 Print Post
Posted on 31-07-2026 15:11
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Location: SE part of the Netherlands
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photo 6
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Annemiek
#7 Print Post
Posted on 31-07-2026 15:14
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Location: SE part of the Netherlands
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Joined: 01.09.21

photo 7
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Zeegers
#8 Print Post
Posted on 05-08-2026 17:19
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Location: Soest, NL
Posts: 19461
Joined: 21.07.04

It is indeed a Senotainia. I need to see the (colour of the) palpus, to be able to tell you more .....


Theo
 
Annemiek
#9 Print Post
Posted on 05-08-2026 19:21
Member

Location: SE part of the Netherlands
Posts: 35
Joined: 01.09.21

Thank you Theo. I would say darkbrown to black palpus. See new picture. Do you see enough of the palpus to evaluate its color? Best regards, Annemiek van Dijk
Annemiek attached the following image:


[142.7Kb]
 
Zeegers
#10 Print Post
Posted on 10-08-2026 08:03
Member

Location: Soest, NL
Posts: 19461
Joined: 21.07.04

Yes, palpus is dark, so it is S. conica.
The most common species.

Theo
 
Annemiek
#11 Print Post
Posted on 10-08-2026 09:51
Member

Location: SE part of the Netherlands
Posts: 35
Joined: 01.09.21

Thanks a lot Theo!
 
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20 August 2026 12:27
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